Oral Surgery

1. Which of the following is not the differential diagnosis of a soft tissue lesion?I'm

Blood test

List all the most probable diagnosis

Compare & distinguish between them

Look at the characteristics of each condition/lesion

Choose on a best-fit basis

4. In which cases consent should be informed before starting the treatment?

Suture removal

Surgical removal of deep unerupted mandibular wisdom teeth

Prescription writing for orofacial pain

Extraction of a maxillary second molar which the root is close proximity to the sinus

Surgical removal of deep unerupted mandibular wisdom teeth and extraction of a maxillary second molar which the root is close proximity to the sinus

5. Which of one of the following is not the clinical factors predicting the difficulty of extraction?

Extensive loss of coronal tooth structure

Thickness of the buccal plate

Limited access to the area of extraction

Limited access to the tooth in the dental arch

Severe periodontitis

6. Which of one of the following is not the radiographic factors predicting the difficulty of extraction?

Severely divergent roots

Periapical radiolucency

Dilacerated roots

Endodontically treated teeth with or without post and core

Increased number of roots present

7. Which teeth are at risk for sinus exposure when doing extraction?

Lone standing maxillary molar with pneumatize maxillary sinus

Roots projecting into a severely pneumatize maxillary sinus and minimal coronal bone visible radiographically

Long divergent bulbous roots with a pneumatize sinus into the trifurcation area

Teeth with advanced periodontal disease but with no mobility also teeth with the maxillary sinus extending into the trifurcation area

All of the above

8. Which of the following is not one of the principles of flap designs?

9. What are the factors to consider in flap design?

10. Which of the following is not one of the basic steps of surgical extraction?

12. Which suture creates eversion of the wound edges?

15. Which suture is used for extraction socket of molar teeth to control bleeding?

17. Suture is selected depends on

Tissue to be suturing,ie mucosa,muscle,skin

Wound condition

Healing process,cost,and tissue tolerance

Patient's availability to come for suture removal

All of the above

18. How do you prevent aspiration of a tooth or root into the lungs when doing an extraction?

Place a piece of sterilized gauze as a pharyngeal screen at the back of the patient's mouth

Place a rubber dam on the tooth

Patient stands up while extracting the tooth

Lay the patient flat while extracting the tooth

Use bite block or mouth prop

19. How to treat postoperative ecchymosis?

20. How do you avoid TMJ dislocation during dental procedures?

21. What are the symptoms and signs of alveolar osteitis ( dry socket)?

Severe pain and discomfort from the extraction site

Pain may radiate from to other parts of the head ear eye and neck

Exposed bone around the socket and delayed healing

Remaining food debris inside the socket

All of the above

22. Which one of the treatment procedures of alveolar osteitis (dry socket) below is not always given to the patient?

Prescribed antibiotic

Irrigate the socket with chlorhexidine

Apply Alvogyl in the socket

Prescribed strong analgesics

23.which of the following is not the prevention of dry socket?

Stop smoking

Stop oral contraceptive for several days before & a few days after surgery

Give antibiotic before extraction/surgery

Minimize extraction force

Give clear oral health instruction

24. Which of the following are the local measures to control bleeding after surgical extraction?

Use vitamin K and blood transfusion

Apply pressure with sterilized gauze

Use tranexamicacide injection

Place Gellfoam or Surgicel in the socket

Suture across the socket

Apply pressure with sterilized gauze, place Gelfoam or Surgicel in the socket and suture across the socket

27. How do you prevent inferior dental nerve injury during surgical removal of mandibular wisdom teeth?

Use atraumatic surgical techniques

Use high speed to dissect the crown

Perform coronectomy

Raise small flap

Use atraumatic surgical techniques and perform coronectomy

28. What are the contraindications for coronectomy?

Mobile tooth ( advanced periodontitis)

Caries with potential pulp involvement and periapical abscess

Associated with cyst which won't resolve with the root left in place

Nerve too close to the coronectomy cut

All of the above

29. In coronectomy , how far from the CEJ of the crown do you need to cut?

30. Which one of the following is not the specific warning after coronectomy?

Root exposure migration in the later date

Paresthesia of the upper lip

Later removal of roots

Roots inadvertently removed at the time of attempted coronectomy

All of the above

31. Which one of the following statement are not the treatment of acute pericoronitis?

Extraction of opposing tooth, prescribed potent analgesics

Apply acid around the operculome

Operculectomy

Irrigation around the tooth crown with Chlorhexidine

Apply acid around the operculome and operculectomy

32. Which of the following statement are not the factors associated with surgical difficulty of mandibular wisdom teeth?

Vertical angulation

Increase age, obesity and body mass index

Patient with no TMJ disorders

Curvature of roots & dense bone

Vertical angulation and patient with no TMJ disorder

33. What are the radiographically signs indicative of possible inferior alveolar nerve injury during surgical removal of unerupted mandibular wisdom teeth?

Darkening of the root and narrowing of the roots

Deflection of the root

Interruption of radiopaque line

Diversion of canal

Darkening of the root, deflection of the root and interruption of radiopaque line

34.which case the enucleation of cyst in applied?

35. Which case of cyst do you need to do marsupialization?

Very large cyst involving vital structures

Traumatic bone cyst

Pocket cyst of lateral incisor

Mucous retention cyst in the floor of the mouth(Ranula)

Very large cyst involving vital structures and mucous retention cyst in the floor of the mouth (Ranula )

36. Which flap design is best indicated for an apicectomy of maxillary incisors with ceramic crowns on?

37. Which of the following is the most recommended and affordable retrograde filling material for apicectomy?

Amalgam

Guttapercha

Glass ionomer cement

Zinc oxide eugenic or IRM

38. How to diagnose an Oro-antral fistula?

Squeeze patient nose &task to strongly blow to see air bubble

Insert a large needle into fistula & take X ray

Use the prope to explore the fistula

None of the above

All of the above

39. Which one of the following is not the factors influencing the course of infection?

What are the investigations for infection?

Take swap of pus for microbiology &antibiotic sensitivity

Immunoflurescence

Blood culture

Urine test

Take swap of pus for microbiology & antibiotic sensitivity and blood culture

42. Where can the infection spread from maxillary 2nd premolar spread to?

43.where can the infection from mandibular molars spread to?

44. Which one of the following space that the infection from the mandibular 3rd molar will not spread to?

46. What is the most important and first step to treat acute infection?

48. In which case do you need to refer the patient to the hospital?

49. How to confirm the definitive diagnosis of a soft tissue lesson(diameter 2cm) on the lateral border of the tongue?

51. Which lesions are needed for fine needle aspiration?

Vascular lesions

Fluctuant soft tissue pathology

Surgical emphysema

Fluctuant soft tissue pathology and intraosseous pathology

Intraosseous pathology

52. What are the flap design for frenectomy?

Elliptical incision, triangular flap

Z- plasty, semilunar flap

V-type incision,rectangular flap

Elliptical incision,Z-plasty and V-type incision

Elliptical incision,Z-plasty and V-type incision and triangular flap

53. Which of the following statement are the clinical assessment of unerupted maxillary canines?

Observation or visual inspection for bulging,lateral incisors position

Taking radiographs, retained deciduous canines

Palpation on both labial &palatal side for bone projection

Family history of missing canines

Probing by using a Michelle trimmer

Observation or visual inspection for bulging,lateral incisors position, palpation on both side labial &palatal sides for bone projection and probing by using a Michelle trimmer

54. Which of the following is not the radiographic assessment of unerupted maxillary canines?

55. Which one of the following is not the treatment option of unerupted maxillary canines?

Surgical removal of unerupted canine

Interceptive removal of primary canine

No treatment or leave in- situ

Surgical exposure with orthodontic alignment

Laser treatment

56. What are the criteria for surgical removal of unerupted maxillary canines?

Patient is older than 16 years old

Good contact between premolar & lateral incisor

Poor prognosis for alignment

Good aesthetic of a retained deciduous canine with a long root

Unwilling to wear orthodontic appliance

All of the above

57. When aspirate a cystic lesion which shows cholesterol, what type of cyst might it be?

58. When aspirate a cyst like lesion which shows blood , what type of lesion might it be?

59. When aspirate a cyst like lesion which show air, what type of lesion/ structure might it be?

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