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94
Created by Sameh Elshaer

Version 2 of Exam Questions of MARCH 2023 by dleprep.com

سنغطي جميع الأسئلة المتاحة في مارس 2023 ، وسيتم تحديث هذا الاختبار بشكل متكرر كلما تم الإعلان عن سؤال جديد.

1 / 54

1) Where to place the lobe in band and lobe space maintainer:

The appliance incorporates a band or crown on the second primary molar with a soldered wire-loop extension extending forward to come into contact with the distal-cervical surface of the primary canine in the quadrant.

2 / 54

2) While you are performing root canal treatement for lowr right first molar and unfortunately you forced the irrigant beyond the apex and NAOCL accident occured and what should you do:

NaOCl accident= severe pain, edema of neighboring soft tissues, edema over the injured half of face and upper lip, profuse bleeding from root canal, profuse interstitial bleeding with hemorrhage of skin and mucosa (ecchymosis).

Management : Control pain with LA and analgesics , cold compresses then after 1day warm compresses.

3 / 54

3) The position to prevent hypotension in pregnant women while she is on the dental chair:

4 / 54

4) The denture cleanser that harms the soft tissue:

5 / 54

5) Calculate Ibuprofen dose for 30 kg child per day (100/5ml):

Method of calculation:

We multiply ( 5 x 25 x 30) / 100 = 37.5

Then 37.5 / 3 = 12.5

So the answer is 12.5 ml

6 / 54

6) 13 years old patient with bilateral posterior cross bite and with skeletal dificiency, how to manage the case:

7 / 54

7) Gaw-Gates injection technique:

8 / 54

8) Type of plaster used in RPD model cast:

9 / 54

9) Type of restoration in apprehensive child:

10 / 54

10) 7 years child brushing twice daily what toothpaste to use with fluoride for that child:

11 / 54

11) Definition of Concussion:

12 / 54

12) A previously treated endodontic lower central, shows endodontic failure and needs retreatment, what is the possible causative pathogen:

 

13 / 54

13) Hepatitis patient will have several extractions, the test needed:

14 / 54

14) Camufalge class III treatment:

Guideline for Extraction in Class III Malocclusion:

Treatment of class III has several different modalities:

  • Early orthopedic treatment (treatment of the musculoskeletal system), example: rapid palatal expansion + face mask.
  • Orthodontic camouflage (extraction/non-extraction);
  • Orthognathic surgery.

 

  • The extraction of choice for camouflage is extraction of lower first premolars and upper second premolars.
  • Extraction of all first premolar is carried out sometimes in severe crowding or in cases of class III complicated with anterior open bite.

15 / 54

15) Space required between two implants:

16 / 54

16) You are treating a female patient and on the step of shade selection, you asked someone to enter to help you in the selection, she was anger, you breached the patient:

17 / 54

17) The only tooth that shows 8 root configurations:

18 / 54

18) To extract lower D and E Anathesia block to:

19 / 54

19) What is the chair position while treating a patient suffering from a sever Chronic Obstructive Pulmonary Disease (COPD):

20 / 54

20) Doctor has an accidental needle stick while treating a patient has HIV infection:

21 / 54

21) The implant should be placed:

22 / 54

22) Patient taking bisphosphonate what is correct about giving antibiotics:

23 / 54

23) Your relative asked to come and you insisted to add him at the end as an extra patient on your schedule, you follow what Ethical code:

24 / 54

24) What is the color coding of UNC-15 probe:

25 / 54

25) What is the inorganic part of dentin:

26 / 54

26) Intruted tooth with 8mm intrusion, the splinting time needed:

Teeth with incomplete root formation:
- Up to 7mm intrusion, allow for re-eruption without intervention.
If no movement, initiate orthodontic repositioning within 3 weeks.
- In cases of >7mm, reposition surgically or orthodontically within 3 weeks.

Teeth with complete root formation:
- Up to 3mm intrusion and <17 years old, allow for re-eruption without intervention.
If no movement after 2–3 weeks, reposition surgically or orthodontically before ankylosis develops.
- Between 3-7mm intrusion, reposition surgically or orthodontically within 3 weeks.
- In cases of >7mm, reposition surgically. Splint for 2 weeks using a flexible splint. If displacement is extensive, splint for 4 weeks.
- Suture gingival laceration, especially in the cervical area.

27 / 54

27) Firm edentulous ridge and sever atrophic bone impression technique:

28 / 54

28) Drug causes gagging reflex in heart failure patient:

Digoxin/Digitalis drug (Barbiturates - treat Heart Failure/Cardiac Arrhythmias)

Digoxin  with epinephrine increases risk of arrythmias and drug increase gag reflex

 

29 / 54

29) Patient has an upper first molar with shallow amalgam restoration and has discomfort and dull pain on biting below the eye area, what could be probably the cause:

30 / 54

30) What are the number of rests and retainers in class 4 Kennedy Classification:

31 / 54

31) Sever canine abscess affecting the eye causing colsure, why this case is considered as an emergency: 

Cavernous sinus thrombosis is a blood clot in the cavernous sinuses. It can be life-threatening. The cavernous sinuses are hollow spaces located under the brain, behind each eye socket.

 

 

32 / 54

32) Tip diameter of hand stainless steel endodontic file size 20:

If question mention that the file is rotary or nickle titanium,

So the tip of endodontic rotary file size 20 is 0.02 mm

We divide 20/100 to get the tip diameter, so equal 0.0.2 mm

33 / 54

33) Lateral luxation required splinting time:

34 / 54

34) Sending an impression to the dental laboratory should be in:

Disinfection of impressions =
Alginate + compound + polyether = 0.5% NaOCl 10min
ZOE + polysulphide + PVS = 2% Gultaraaldehyde

35 / 54

35) Girl wanted to make Hollywood smile and you have another opinion:

36 / 54

36) Patient complaining of visible veneer margin and want to replace it, what is the best margin level (causing the least inflammation and enhance esthetics in this case):

37 / 54

37) Dry heat time at 320 F:

38 / 54

38) Girl 11 years old, her weight is 35 kilogram had swallowed a toothpaste which contained 21 gram fluoride and her mother brought it to your clinic, how could you manage the case:

We divide the amount of fluoride ingested by the girl's weight:

21/35 = 0.6 gm

0.6 gm = 600 mg ... which is a lethal dose in children

So this is an emergency case and should be admitted in the hospital immediately.

39 / 54

39) Length of working part of iso endodontic files:

40 / 54

40) Management of internal root resorption in permanent teeth:

41 / 54

41) The lower molar is close to the Inferior alveolar canal, and you have the fear of injurying the nerve, what should you do:

42 / 54

42) Endo treated tooth with lateral lesion as show in the photo, what is your case diagnosis:

43 / 54

43) Cavity depth less than 0.5 mm away from the pulp and the tooth is planned to be filled in composite:

44 / 54

44) Failure at the porcelain attachment to porcelain:

45 / 54

45) Material used for periapical healing:

46 / 54

46) Anticipated interdental papilla height in case between tooth and implant:

47 / 54

47) Which of the following genetic disorders causes sever bone loss, periodontal destruction and early loss of teeth:

48 / 54

48) Prophy cups should be:

49 / 54

49) Number of plates to fix symphysis fracture:

50 / 54

50) Warthon duct related to which gland:

51 / 54

51) Drug cause metallic taste:

Metallic taste :
1- ACE inhibitors - hypertension
2-Adenosin / Flecaininde (CCB) - Arrythmias
3- Metranidazole
4- Metformin - DM
5- Xerostomia
4- NUG
6- Galvanism - amalgam

52 / 54

52) Instrument used to remove Gutta Percha:

53 / 54

53)  Vizirani-Akinosi injection technique:

54 / 54

54) If the patient came to your clinic and you discovered that he has a cancer disease but his son doesn't want you to tell him that he has a cancer disease for the fear of his emotional status , what you should do:

Your score is

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100
Created by Sameh Elshaer

Version 1 of Exam Questions of MARCH 2023 by dleprep.com

سنغطي جميع الأسئلة المتاحة في مارس 2023 ، وسيتم تحديث هذا الاختبار بشكل متكرر كلما تم الإعلان عن سؤال جديد.

1 / 26

1) Gaw-Gates injection technique:

2 / 26

2) The implant should be placed:

3 / 26

3) Number of plates to fix symphysis fracture:

4 / 26

4) Drug cause metallic taste:

Metallic taste :
1- ACE inhibitors - hypertension
2-Adenosin / Flecaininde (CCB) - Arrythmias
3- Metranidazole
4- Metformin - DM
5- Xerostomia
4- NUG
6- Galvanism - amalgam

5 / 26

5) Dry heat time at 320 F:

6 / 26

6) 13 years old patient with bilateral posterior cross bite and with skeletal dificiency, how to manage the case:

7 / 26

7) The denture cleanser that harms the soft tissue:

8 / 26

8) Drug causes gagging reflex in heart failure patient:

Digoxin/Digitalis drug (Barbiturates - treat Heart Failure/Cardiac Arrhythmias)

Digoxin  with epinephrine increases risk of arrythmias and drug increase gag reflex

 

9 / 26

9) Cavity depth less than 0.5 mm away from the pulp and the tooth is planned to be filled in composite:

10 / 26

10) Girl wanted to make Hollywood smile and you have another opinion:

11 / 26

11) Sending an impression to the dental laboratory should be in:

Disinfection of impressions =
Alginate + compound + polyether = 0.5% NaOCl 10min
ZOE + polysulphide + PVS = 2% Gultaraaldehyde

12 / 26

12) Where to place the lobe in band and lobe space maintainer:

The appliance incorporates a band or crown on the second primary molar with a soldered wire-loop extension extending forward to come into contact with the distal-cervical surface of the primary canine in the quadrant.

13 / 26

13)  Vizirani-Akinosi injection technique:

14 / 26

14) Your relative asked to come and you insisted to add him at the end as an extra patient on your schedule, you follow what Ethical code:

15 / 26

15) Girl 11 years old, her weight is 35 kilogram had swallowed a toothpaste which contained 21 gram fluoride and her mother brought it to your clinic, how could you manage the case:

We divide the amount of fluoride ingested by the girl's weight:

21/35 = 0.6 gm

0.6 gm = 600 mg ... which is a lethal dose in children

So this is an emergency case and should be admitted in the hospital immediately.

16 / 26

16) To extract lower D and E Anathesia block to:

17 / 26

17) Sever canine abscess affecting the eye causing colsure, why this case is considered as an emergency: 

Cavernous sinus thrombosis is a blood clot in the cavernous sinuses. It can be life-threatening. The cavernous sinuses are hollow spaces located under the brain, behind each eye socket.

 

 

18 / 26

18) Hepatitis patient will have several extractions, the test needed:

19 / 26

19) The lower molar is close to the Inferior alveolar canal, and you have the fear of injurying the nerve, what should you do:

20 / 26

20) Firm edentulous ridge and sever atrophic bone impression technique:

21 / 26

21) Intruted tooth with 8mm intrusion, the splinting time needed:

Teeth with incomplete root formation:
- Up to 7mm intrusion, allow for re-eruption without intervention.
If no movement, initiate orthodontic repositioning within 3 weeks.
- In cases of >7mm, reposition surgically or orthodontically within 3 weeks.

Teeth with complete root formation:
- Up to 3mm intrusion and <17 years old, allow for re-eruption without intervention.
If no movement after 2–3 weeks, reposition surgically or orthodontically before ankylosis develops.
- Between 3-7mm intrusion, reposition surgically or orthodontically within 3 weeks.
- In cases of >7mm, reposition surgically. Splint for 2 weeks using a flexible splint. If displacement is extensive, splint for 4 weeks.
- Suture gingival laceration, especially in the cervical area.

22 / 26

22) The position to prevent hypotension in pregnant women while she is on the dental chair:

23 / 26

23) Camufalge class III treatment:

Guideline for Extraction in Class III Malocclusion:

Treatment of class III has several different modalities:

  • Early orthopedic treatment (treatment of the musculoskeletal system), example: rapid palatal expansion + face mask.
  • Orthodontic camouflage (extraction/non-extraction);
  • Orthognathic surgery.

 

  • The extraction of choice for camouflage is extraction of lower first premolars and upper second premolars.
  • Extraction of all first premolar is carried out sometimes in severe crowding or in cases of class III complicated with anterior open bite.

24 / 26

24) Prophy cups should be:

25 / 26

25) Type of restoration in apprehensive child:

26 / 26

26) Patient has an upper first molar with shallow amalgam restoration and has discomfort and dull pain on biting below the eye area, what could be probably the cause:

Your score is

0%

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0%
18
Created by Sameh Elshaer

SDLE Mock Exam by dleprep.com Corrected

1 / 225

1) Why did an amalgam chipped during carving?

2 / 225

2) Cranial nerve provides sensory information to orofacial area:

3 / 225

3) What is the mostly safe used sugar substitute?

4 / 225

4) The intracanal irrigant material with the highest PH:

5 / 225

5) Material used for periapical healing:

6 / 225

6) A 21 year old man comes to the dental clinic. You notice he has plaque and calculus accumulation. A Scalar with elliptical motion was used in this patient for scaling. Which is the type of scaler?

7 / 225

7) Dry heat sterilization temperature:

8 / 225

8) At what age if you give excessive fluoride to patient, it will cause fluorosis to permanent teeth:

9 / 225

9) Mean corpuscular volume in Iron deficiency anemia:

10 / 225

10) Bleaching technique with high risk of developing cervical resorption:

11 / 225

11) The implant should be placed:

12 / 225

12) Dentist at the end of the day want to pour alginate impression quickly how can he do that:

13 / 225

13) Cleidocranial dysplasia is usually caused by mutations in:

14 / 225

14) Delivery of fixed restoration, overhanging margin should be removed so as:

15 / 225

15) Growth of the maxilla is primary by:

16 / 225

16) Which bacteria is found in new born baby's mouth:

17 / 225

17) In the casting ring, what is the function of the cellulose paper liners?

18 / 225

18) What is meant by hyper apnea?

19 / 225

19) Warthon duct related to which gland:

20 / 225

20) Continuous condensation technique in GP filling is:

21 / 225

21) Which material is more stable in color:

22 / 225

22) According to the shown photo, diagnose the disease:

23 / 225

23) Level of bacterial colony in dental Waterline should be:

24 / 225

24) Addition of Epinephrine in local anesthesia:

25 / 225

25) While you are performing root canal treatement for lowr right first molar and unfortunately you forced the irrigant beyond the apex and NAOCL accident occured and what should you do:

NaOCl accident= severe pain, edema of neighboring soft tissues, edema over the injured half of face and upper lip, profuse bleeding from root canal, profuse interstitial bleeding with hemorrhage of skin and mucosa (ecchymosis).

Management : Control pain with LA and analgesics , cold compresses then after 1day warm compresses.

26 / 225

26) Other name for cementoblastoma:

27 / 225

27) Prophy cups should be:

28 / 225

28) What cranial nerves pass through the supraorbital foramen?

29 / 225

29) Success of Intrapulpal anaesthesia depends on:

30 / 225

30) The lower molar is close to the Inferior alveolar canal, and you have the fear of injurying the nerve, what should you do:

31 / 225

31) Firm edentulous ridge and sever atrophic bone impression technique:

32 / 225

32) One of Andrews' six keys of occlusion:

33 / 225

33) According to the photo, mention the possible condition:

34 / 225

34) Type of virus in herpes zoster in late stage:

35 / 225

35) According to the photo, state the method of treatment:

36 / 225

36) Patient with Hemophilia comes to your clinic. Which accessory injection will you provide :

37 / 225

37) If the patient came to your clinic and you discovered that he has a cancer disease but his son doesn't want you to tell him that he has a cancer disease for the fear of his emotional status , what you should do:

38 / 225

38) 7 years child brushing twice daily what toothpaste to use with fluoride for that child:

39 / 225

39) Holes punched in the rubber dam too close together:

40 / 225

40) What is the correct sequence of restoration :

41 / 225

41) Patient with a history of myocardial infarction came to your clinic for extraction, what painkiller will you give him?

42 / 225

42) Hepatitis patient will have several extractions, the test needed:

43 / 225

43) A patient with lesion in posterior of the tongue want to take biopsy . How to pull the tongue?

44 / 225

44) Management of orthodontic adult patient with class II division 1 malocclusion with no crowded upper and lower teeth:

45 / 225

45) Endo treated tooth with lateral lesion as show in the photo, what is your case diagnosis:

46 / 225

46) Management of an avulsed tooth with closed apex for more than 60 min to minimize external root resorption:

47 / 225

47) Cavity depth less than 0.5 mm away from the pulp and the tooth is planned to be filled in composite:

48 / 225

48) After performing pulpotomy with formocresol hyperemia of the pulp indicates:

49 / 225

49) Patient came with an avulsed tooth, what is the most important to know to decide treatment plan:

50 / 225

50) The only tooth that shows 8 root configurations:

51 / 225

51) What is the copper ratio that eliminates gamma phase 2:

52 / 225

52) What is immediate implant?

53 / 225

53) Instrument used to remove Gutta Percha:

54 / 225

54) Which of the following spaces are bilaterally involved in Ludwig's angina?

55 / 225

55) How is the fluoride tablet taken?

56 / 225

56) Vertical distance from the crest of bone to the height of the interproximal papilla between adjacent implants:

57 / 225

57) Dental caries:

58 / 225

58) Patient taking bisphosphonate what is correct about giving antibiotics:

59 / 225

59) What is the inorganic part of dentin:

60 / 225

60) A Child comes to your clinical with congenital heart defect fixed with a stent. You prescribe him antibiotics to prevent:

61 / 225

61) Over denture most common cause of its failure and complication:

62 / 225

62) What is the Hallmark of Sarcoidosis:

63 / 225

63) According to this photo, state the possible disease:

64 / 225

64) What is Organic occlusion:

65 / 225

65) [CASE] A worrying mother brings her child to you seeking treatment for his newly erupted teeth. On Examination you find the no catch in the pits and fissure area. Your treatment would be:

66 / 225

66) Check retractor and dental handpieces are under which category according to Spaulding Classification:

67 / 225

67) A women comes to your clinic with white lesion. On examination you find it to be arrested caries. What treatment would your provide:

68 / 225

68) Multiple injury and bruise in child:

69 / 225

69) Patient taking aspirin how many days you tell him to stop before surgery:

70 / 225

70) Patient comes with failed endodontic therapy. What is the best treatment to do:

71 / 225

71) Patient has an upper first molar with shallow amalgam restoration and has discomfort and dull pain on biting below the eye area, what could be probably the cause:

72 / 225

72) [CASE] A child comes to your clinical and on examination you find attachment loss at upper canine and lower premolars. What is your diagnosis?

73 / 225

73) What is the most retentive type of arch form?

74 / 225

74) Your lab delivers you a crown with open margin in patient's mouth but fits well on the cast what will you do next?

75 / 225

75) Cutting part length of ISO file :

76 / 225

76) What is the color coding of UNC-15 probe:

77 / 225

77) The periodontium comprise which of the following tissues:

78 / 225

78) Trigeminal neuralgia treated by carbamazepine (Tegretol®). The maximum dose per day divided is:

79 / 225

79) Patient comes to you with mild caries on his mandibular molar teeth only in the fissure area. Your treatment of choice will be:

80 / 225

80) 1st number in the 3 Formula of dental instruments represents:

81 / 225

81) Shoulder ceramic finish line which instrument use:

82 / 225

82) Anticipated interdental papilla height in case between tooth and implant:

83 / 225

83) The occlusion concept that allows freedom of movement:

84 / 225

84) Periodontal loss of attachment at radicular bone leads to:

85 / 225

85) Sending an impression to the dental laboratory should be in:

Disinfection of impressions =
Alginate + compound + polyether = 0.5% NaOCl 10min
ZOE + polysulphide + PVS = 2% Gultaraaldehyde

86 / 225

86) Drug causes gagging reflex in heart failure patient:

Digoxin/Digitalis drug (Barbiturates - treat Heart Failure/Cardiac Arrhythmias)

Digoxin  with epinephrine increases risk of arrythmias and drug increase gag reflex

 

87 / 225

87) Patient has Tuberculosis with absence of risk factors shows what results in Tuberculin Skin Testing (TST):

88 / 225

88) According to the Kennedy's classification, the (bilateral) edentulous areas located anterior to the remaining natural teeth is:

89 / 225

89) Which instrument is used subgingival:

90 / 225

90) During Root Canal Treatment if the tooth is left open it will:

91 / 225

91) Substantivity is the property means persistence of effect of a topically applied drug  and to be released when required from the oral structures, is the property of which material:

92 / 225

92) Patient has tilted 47 and wants to place an implant in missing 46, how to manage the space loss:

93 / 225

93) Patient with interproximal caries detected by bitewing radiography, you want to detect caries that reach the pulp and causes infection, what to use:

94 / 225

94) How to increase the setting time of dental stone:

95 / 225

95) Which ligament serves to limit excessive protrusion of the mandible:

96 / 225

96) Identify the name of the device in the photo:

97 / 225

97) Most esthetic restoration and least adverse effect on gingiva:

98 / 225

98) Surgical scrub before operations:

99 / 225

99) Failure at the porcelain attachment to porcelain:

100 / 225

100) Patient allergic to penicillin and needs prophylactic antibiotic before surgery for the fear of development of infective endocarditis, what is the alternative you can give him:

101 / 225

101) Complete re-epithelization after surgery occurs after:

102 / 225

102) Patient with exposed bone, no infection, history of bisphosphonate , what is the management:

103 / 225

103) The most important thing in documentation:

104 / 225

104) What is the chair position while treating a patient suffering from a sever Chronic Obstructive Pulmonary Disease (COPD):

105 / 225

105) During mentoplasty, doctor should take care for injury of what nerve:

106 / 225

106) In case of Cvek pulpotomy technique, we should:

107 / 225

107) Hand scrubbing with antiseptic gel for:

108 / 225

108) Patient comes to you with a fractured Root Canal Treated tooth and you plan to do Post and Core. What is most important factor for treatment success :

109 / 225

109) Method of sterilization of Polyvinylsiloxane impression material:

110 / 225

110) To extract lower D and E Anathesia block to:

111 / 225

111) AIDS patient has adherent white plaque on the plaque, when scrubbed leaves a red base . What should be the management?

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112) Where to place the lobe in band and lobe space maintainer:

The appliance incorporates a band or crown on the second primary molar with a soldered wire-loop extension extending forward to come into contact with the distal-cervical surface of the primary canine in the quadrant.

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113) What is the copper ratio that eliminates gamma phase 2:

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114) Girl wanted to make Hollywood smile and you have another opinion:

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115) Walking bleaching technique of whitening the teeth is done using:

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116) Dry heat time at 320 F:

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117) Patient with pseudo class III, what is the management:

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118) According to the Kennedy's classification, the (bilateral) edentulous areas located posterior to the remaining natural teeth is:

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119) Lateral luxation required splinting time:

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120) The aim of maintenance phase in operative dentistry is:

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121) Management of an avulsed tooth with closed apex for more than 60 min to minimize external root resorption:

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122) Impression material that can be poured twice:

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123) HBV stay at dental clinic:

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124) The part of an RPD that takes place as a seat while preparation on the occulsal surface is:

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125) Doctor has an accidental needle stick while treating a patient has HIV infection:

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126) Camufalge class III treatment:

Guideline for Extraction in Class III Malocclusion:

Treatment of class III has several different modalities:

  • Early orthopedic treatment (treatment of the musculoskeletal system), example: rapid palatal expansion + face mask.
  • Orthodontic camouflage (extraction/non-extraction);
  • Orthognathic surgery.

 

  • The extraction of choice for camouflage is extraction of lower first premolars and upper second premolars.
  • Extraction of all first premolar is carried out sometimes in severe crowding or in cases of class III complicated with anterior open bite.

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127) Cell to cell communication between bacteria is done by:

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128) File with active cutting tip:

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129) 1st number in the 3 Formula of dental instruments represents:

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130) 13 years old patient with bilateral posterior cross bite and with skeletal dificiency, how to manage the case:

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131) Patient complaining of visible veneer margin and want to replace it, what is the best margin level (causing the least inflammation and enhance esthetics in this case):

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132) Burs used for occlusal rest preparation:

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133) Your relative asked to come and you insisted to add him at the end as an extra patient on your schedule, you follow what Ethical code:

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134) A previously treated endodontic lower central, shows endodontic failure and needs retreatment, what is the possible causative pathogen:

 

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135) Disinfectant of Gutta-Percha is done by:

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136) Tip diameter of hand stainless steel endodontic file size 20:

If question mention that the file is rotary or nickle titanium,

So the tip of endodontic rotary file size 20 is 0.02 mm

We divide 20/100 to get the tip diameter, so equal 0.0.2 mm

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137) What is the best media for keeping an avulsed tooth:

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138) Nerve anesthetize palatal mucosal tissues of the upper premolars:

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139)  Vizirani-Akinosi injection technique:

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140) If a dentist is using a surgical blade and wants to take a periosteal elevator , how should he delivers the blade to the nurse ?

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141) Patient has positive anti-HBs and positive anti-Hbc:

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142) Radiograph shows generalized almost diminished roots of all teeth with nearly obliterated pulp chambers and root canals, what’s the diagnosis?

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143) Fluoride in water concentrates at:

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144) What is the worst bone type for implant?

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145) The position to prevent hypotension in pregnant women while she is on the dental chair:

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146) During tooth removal half root fracture inside the socket which elevator can be used?

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147) What is most commonly observed in diabetic patients?

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148) Epilepsy treated by carbamazepine (Tegretol®). The maximum dose per day divided is:

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149) Calculate Ibuprofen dose for 30 kg child per day (100/5ml):

Method of calculation:

We multiply ( 5 x 25 x 30) / 100 = 37.5

Then 37.5 / 3 = 12.5

So the answer is 12.5 ml

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150) Patient has thrombocytopenia and the decrease in number of platelets will lead to:

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151) PH of Sodium Hypochlorite:

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152) Management of internal root resorption in permanent teeth:

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153) an autoimmune disease associated with rheumatoid arthritis:

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154) Patient after delivery of upper complete denture and lower metallic partial denture with only remaining anterior teeth he was excellent, after 1 year he came to you with pain around the abutment after you checked everything is normal, what is the problem:

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155) 2nd number in the 4 Formula of dental instruments represents:

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156) Most commonly used intracranial medication is:

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157) Spedding principle:

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158) Which of the following make abutment teeth appear narrower:

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159) Disadvantage of full thickness mucoperiosteal flap:

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160) Most common bacteria in Dental Waterline are:

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161) Hand washing between patients:

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162) Impression material most stiff is:

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163) Success rate of Fixed partial denture after 10 and 15 years respectively:

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164) Most common histopathologic feature of a periapical lesion reveals :

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165) Preventive Resin Restoration (PRR) is indicated in:

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166) A dental hand-instrument with the formula: 10-85-8-14, where number 85 represents:

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167) What drug administered by hypertensive patient, you should avoid using a retraction cord impregnated with epinephrine:

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168) Proxy brush used with which class of furcation:

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169) When the infiltration local anesthesia is not effective, the reason could be:

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170) You are treating a female patient and on the step of shade selection, you asked someone to enter to help you in the selection, she was anger, you breached the patient:

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171) How to increase setting time of the Zinc oxide impression:

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172) The denture cleanser that harms the soft tissue:

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173) Patient with Parkinson disease, has a high percentage of plaque, what will aid could improve his oral hygiene:

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174) Gaw-Gates injection technique:

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175) What are the number of rests and retainers in class 4 Kennedy Classification:

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176) The minimum amount of time in seconds that waterline should be washed between patients is:

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177) Sever canine abscess affecting the eye causing colsure, why this case is considered as an emergency: 

Cavernous sinus thrombosis is a blood clot in the cavernous sinuses. It can be life-threatening. The cavernous sinuses are hollow spaces located under the brain, behind each eye socket.

 

 

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178) Concentration of Chlorohexidine in mouth washes:

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179) Space required between two implants:

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180) A bur used for gaining endodontic access and has a safe cutting end to reduce risk of pulpal floor perforation:

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181) 2nd number in the 4 Formula of dental instruments represents:

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182) Pterygopalatine ganglion related to which gland:

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183) Removing of dentine in dangerous zone to cementum is called:

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184) The most stable result after orthodontic procedure is:

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185) The powered toothbrush invented in:

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186) Walls of pulpal chamber during access opening should be:

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187) What is the preferred choice of implant material for a patient who recently went through radiotherapy:

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188) Chemical Vapor sterilization setting:

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189) Base of the flap should be wide for:

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190) To sharpen the curette and sickle scaler, the cutting edge should be at angle:

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191) An imaginary line around which the mandible may rotate in the sagittal plane:

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192) White Rough wrinkled lesion in buccal mucosa ?

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193) If the degree of fusion of porcelain is 1150 °C and alloy melt 920 °C, what is the degree of fusing in Celsius them together to make porcelain fused to metal crown:

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194) When should the child visit the orthodontist for the first time?

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195) Drug cause metallic taste:

Metallic taste :
1- ACE inhibitors - hypertension
2-Adenosin / Flecaininde (CCB) - Arrythmias
3- Metranidazole
4- Metformin - DM
5- Xerostomia
4- NUG
6- Galvanism - amalgam

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196) What is the property of nickel titanium wires that makes it better than others?

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197) Patient has history of ammonia smell in his mouth and unilateral painless swelling in maxilla, upon radiographic examination the bone had “ground glass appearance", what the possible diagnosis:

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198) H-Files are better than K-files by:

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199) Intruted tooth with 8mm intrusion, the splinting time needed:

Teeth with incomplete root formation:
- Up to 7mm intrusion, allow for re-eruption without intervention.
If no movement, initiate orthodontic repositioning within 3 weeks.
- In cases of >7mm, reposition surgically or orthodontically within 3 weeks.

Teeth with complete root formation:
- Up to 3mm intrusion and <17 years old, allow for re-eruption without intervention.
If no movement after 2–3 weeks, reposition surgically or orthodontically before ankylosis develops.
- Between 3-7mm intrusion, reposition surgically or orthodontically within 3 weeks.
- In cases of >7mm, reposition surgically. Splint for 2 weeks using a flexible splint. If displacement is extensive, splint for 4 weeks.
- Suture gingival laceration, especially in the cervical area.

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200) What is the best bone type for implant?

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201) Number of plates to fix symphysis fracture:

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202) What's the blade width of cutting instrumentations with the following formula: 10 -85-8-14

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203) What is the best media for keep an avulsed Primary Central Incisor:

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204) The most commonly used irrigant in endodontics, sodium hypochlorite is used in the concentration of:

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205) Resin Bonded Bridge:

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206) Nasal septum formed by:

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207) Which of the following genetic disorders causes sever bone loss, periodontal destruction and early loss of teeth:

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208) What is the Patency file:

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209) After staring into an object the color fade quickly because of the physiologic limitation of the eye color receptors perception to only 30 seconds, so if more time is needed the eyes should rest by looking at:

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210) Multi rooted teeth rotate around:

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211) The following chemically bonds to the tooth:

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212) Best radiographic modality for vertical bone defects:

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213) If a patient with a pocket depth of 5 mm around implant without mobility or bone loss, what is the treatment plan of this case:

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214) Type of plaster used in RPD model cast:

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215) What is the most common bacteria causing infective endocarditis:

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216) Type of restoration in apprehensive child:

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217) When you give baby nursery bottle with juices then what is the effect it will have on the child's teeth:

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218) Why do caries spread faster in children more than in adults

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219) Material with stable color and considerable hardness:

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220) Patient has been delivered an immediate complete denture and after 2 days he could not insert it again, why?

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221) According to the photo presented, identify the class of the malformation:

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222) Fluoride in water concentrates at:

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223) Definition of Concussion:

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224) Girl 11 years old, her weight is 35 kilogram had swallowed a toothpaste which contained 21 gram fluoride and her mother brought it to your clinic, how could you manage the case:

We divide the amount of fluoride ingested by the girl's weight:

21/35 = 0.6 gm

0.6 gm = 600 mg ... which is a lethal dose in children

So this is an emergency case and should be admitted in the hospital immediately.

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225) Length of working part of iso endodontic files:

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