Oral Surgery II, Prof.Hong Someth (1-50)
1. What are the ideal treatment plans?
Long-term outcomes
Address all patient concerns
Minimum intervention
All of the above
None of the above
2. 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
3. The difficulty of extraction?
Severely divergent roots
Periapial radiolucency
Dilacerated roots
Endodontically treated teeth with or without post and core
Increased number of roots present
4. Which one of the following is NOT one of the basic steps of surgical extraction?
Incision & raising a flap
Application of Betadine
Removal of bone
Tooth or root division
Removal of tooth or roots
Wound debridement
5. When a fractured root tip can be left in-situ?
The root tip is smaller than 2mm in an infected root
For small root fragments as the risk of removing them may cause potential complications
The infected root tip is closed to the maxillary sinus
The infected root is close to the inferior alveolar nerve
All of the above
6. Which suture that can be used in contaminated wounds?
Vicryl
Silk
Nylon
Catgut
Stainless steel
7. Which suture creates eversion of the wound edges?
Interrupted sutures
Continuous sutures
Horizontal mattress suture
Vertical mattress suture
Figure-of-eight suture
8. What sizes of the sutures that commonly used in oral cavity?
2//0
3/0 & 4/0
4/0 & 5/0
6/0
7/0
9. What is the atraumatic suturing technique?
No crushing tissues with forceps
Not too large suture and needle
Not too large tissue bites
Not too tight
Not too dry
All of the above
10. Which suture is used for extraction socket of molar teeth to control bleeding?
Horizontal mattress
Vertical mattress
Figure-of-eight and interrupted
Interrupted
Sling suture
11. How many knots do you need to tie tissues intra-orally?
One knot
Two knots
Three knots
Four knots
Five knots
12. Suture is selected depends on:
Tissue to be suturing, ie. mucosa, muscle, skin
Healing process
Tissue tolerance
Patient’s availability to come for suture removal
All of the above
13. Which of the followings are the treatments of ecchymosis?
Apply ice pack on the bruise
Reassure the patient
Inject steroid
Apply warm moist pack
Apply ice pack on the bruise and Inject steroid
Reassure the patient and Apply warm moist pack
14. Which of the following are the local measures to control bleeding after surgical extraction?
Use vitamin K
Apply pressure with sterilized gauze
Use tranexamic acide injection
Place Gelfoam 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
15. 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)
All of the above
16. How to diagnose an Oro-antral fistula?
Squeeze patient nose & ask to strongly blow to see air bubble
Insert a large needle into fistula & take X-ray
Use the probe to explore the fistula
None of the above
All of the above
17. Which one of the following is NOT the factors influencing the course of infection?
Portal of entry
Virulence
Patient's weight
Pathogenicity
Host defense
Numbers/types of bacteria
18. 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
All of the above
19. Which of the following are NOT the modes of spread of infection?
Saliva
Lymphatic
Blood
Tear
Direct spread
Saliva and Tear
20. What is the first line antibiotic for acute infection?
Rodogyl
Tetracycline
Amoxicillin or with clavulanic acid
Cephaxin
All of the above
21. In which case do you need to refer the patient to the hospital?
Localized infection
Ludwig’s Angina
Palatal abscess
Cavernous sinus thrombosis
Localized infection and Palatal abscess
Ludwig’s Angina and Cavernous sinus thrombosis
22. How to confirm the definitive diagnosis of a soft tissue lesion (diameter ˃2cm) on the lateral border of the tongue?
Blood test
Fine needle aspiration
Incisional biopsy
Excisional biopsy
All of the above
23. Which lesions are needed for fine needle aspiration?
Vascular lesions
Fluctuant soft tissue pathology
Surgical emphysema
Intraosseous pathology
Vascular lesions and Surgical emphysema
Fluctuant soft tissue pathology and Intraosseous pathology
24. When aspirate a cystic lesion which shows cholesterol, what type of cyst might it be?
Dentigerous cyst
Eruption cyst
Inflammatory cyst
Odontogenic keratocyst
Aneurysmal bone cyst
25. When aspirate a cyst-like lesion which shows blood, what type of lesion might it be?
Contamination
Lipoma
Aneurysmal bone cyst
Radicular cyst
Haemengioma and Mucoccel
Contamination, Aneurysmal bone cyst and Haemengioma
26. When aspirate a cyst-like lesion which shows air, what type of lesion/structure might it be?
Salivary gland duct
Maxillary sinus
Nerve canal
Traumatic bone cyst
Salivary gland and Nerve canal
Maxillary sinus and Traumatic bone cyst
27. How do you perform pulp vitality tests?
Tap on the tooth
Use hot GP points
Spray air on the tooth
Use cold spray
Use electric pulp tester
Use hot GP points, Use cold spray and Use electric pulp tester
28. What are the surgical options of jaw cysts?
Apply acid
Marsupializaion
Incision and drainage and Enucleation
Root canal canal treatment
Local resection +/- reconstruction
Marsupializaion, Enucleation and Local resection +/- reconstruction
29. Which one of the following is the best method of amrsupialization of large cysts?
Packing with gauze into the cystic cavity
Open the cystic cavity with robber urinary catheter
Packing with alveogyl
Cover the cystic cavity with resine stent
Plug the cystic cavity with gelfoam
30. Which one of the soft tissue lesions that penetrate into underlying bone (cupping)?
Peripheral Giant Cell Granuloma
Central giant cell granulama
Focal fibrous hyperplasia
Drug induced gingival hyperplasia
31. Which of one the following lesions do NOT need to do excisional biopsy?
Firoepithelial polyps
Mucocoeles
Fibromas
Haemengioma
Papillomas
32. What is the flap design for removal of torus palatinus?
Envelop flap
Triangular flap
J-shape flap
Y-shape flap
33. What is Compound Odontome?
Odongenic tumour characterized by the formation of calcified enamel & dentin in
An abnormal arrangement
A bag of teeth
A variant type of ameloblastoma
A malignant tumour of the tooth
34. In which cases consent should be informed before starting the treatment?
Non-invasive procedures such as extraction of a just root
Prescribing an analgesic
All the invasive procedures such as surgical removal of mandibular third molar
Prescribing an antiseptic mouthwash
35. Which of the following is NOT the differential diagnosis of a soft tissue lesion?
List all the most probable diagnosis
Look at the characteristics of each condition/lesion
Blood tests
Compare & distinguish between them and choose on a “best-fit” basis
36. Which one of the following is NOT the investigation before extraction?
Radiographs
Antibiotic
Pulp vitality tests
Study models
37. Which one of the following is NOT the ideal treatment plans?
Meet all patient concerns
Future procedures for long-term outcomes
Provide treatment options
Treat only painful tooth
38. Which cases consent should be informed before starting the treatment?
Non-invasive procedures such as extraction of a just root
Prescribing an analgesic
All the invasive procedures such as surgical removal of mandibular third molar
Prescribing an antiseptic mouthwash
39. Which of one of the following is NOT the clinical factors predicting the difficulty of extractions?
Extensive loss of coronal tooth structure
Limited access to the area of extraction
Severe periodontitis
History of past root canal therapy
40. Which of one of the following is NOT the radiographic factors predicting the difficulty of extraction?
Severely divergent roots and dilacerated roots
Enlargement of periodontal ligament space seen in a radiograph
Hypercementosis/bulbous roots and dense bone
Endodontically treated teeth with or without post and core
41. Which teeth are at risk for sinus exposure when doing extraction?
Lone standing maxillary molar with pneumatized maxillary sinus
Roots projecting into a severely pneumatized maxillary sinus and minimal coronal bone visible radiographically
Teeth with advanced periodontal disease but with no mobility; also teeth with the maxillary sinus extending into the trifurcation area
All of the above
42. Which one of the following is NOT one of the principles of flap designs?
Avoid vital structures
A little broad base flap
Very broad base
Gentle soft tissue handling
43. What are the factors to consider in flap design?
Depth of the buccal sulcus
Position & size of labial fraenum and muscle attachments
Size of lesion and number of teeth to be treated
All of the above
44. Which one of the following is NOT one of the basic steps of surgical extraction?
Incision & raising a flap
Application of Betadine around the tooth
Removal of bone and tooth or root division
Wound debridement and suture
45. When a fractured root tip can NOT be left in the socket?
The root tip has got infection
The root tip is smaller than 3mm
The root tip is closed to the maxillary sinus and closed to inferior alveolar nerve
All of the above
46. 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
47. Which of the followings are the treatments of ecchymosis?
Apply ice pack on the bruise
Inject steroid
Reassure the patient and apply warm moist pack
Prescribe antibiotic and analgesics
48. How do you avoid TMJ dislocation during dental procedures?
Use mouth prop or bite block
Make short appointment
Support the mandible during extraction
All of the above
49. What are the symptoms and signs of alveolar osteitis (dry socket)?
Severe pain and discomfort from the extraction site and may radiate from to other parts of the head, ear, eye, and neck
Exposed bone around the socket and remaining food debris inside the socket
Delayed healing
All of the above
50. Which one of the treatment procedures of alveolar osteitis (dry socket) below is NOT always given to the patients?
Irrigate the socket with chlorhexidine
Prescribed antibiotic
Apply alvogyl in the socket
Prescribe strong analgesics
51. Which one 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
52. Which of the following is NOT the local measures to control bleeding after surgical extraction?
Use vitamin K
Apply pressure with sterilized gauze
Place Gelfoam or Surgicel in the socket
Suture across the socket
53. In aggressive measure to control bleeding, which medication is commonly used?
Adrenoxyl injection
Dicinone tablet
Tranexamic acid mouthrinse
Desmopressin injection
54. Which hemostatic agent do you use to control bleeding from bone?
Gelfoam
Bone wax
Surgicel
Ferric sulfate
55. How to prevent prolonged/excessive bleeding after extraction and oral surgery?
Assessing difficulty of surgery
Make proper incisions
Minimize excessive trauma to soft tissues tearing
Avoiding using Aspirin & NSAIDs after surgery
All of the above
56. What are the causes of surgical emphysema?
High-speed air turbine drills
Blowing air syringes
Increased intraoral pressure through sneezing
All of the above
57. What is a true cyst?
A non-inflammatory cyst
A pathological cavity enclosed in an epithelial lining, no communication to root canal (needs surgery)
An epithelial-lined cavity opens to and continuous with root canal (RCT/Apicect.)
A pseudocyst
58. What can you see in histopathological examination of a radicular cyst?
Keratin
Pus
Cholesterol crystals and inflammatory cells
Calcified materials
59. What are the treatment procedures for radicular cyst?
RCT with/without apicectomy if it’s small
Extraction and apical curretage
Enucleation for large cysts with or without apicectomy and retrograde filling
All of the above
60. What is a residual cyst?
A non- odontogenic cyst
A develomental cyst
An inflammatory cyst
A pseudocyst
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