MDS PREP
A 60 year old patient reports for the ex traction of a diseased maxillary right second molar which was the only tooth in that quadrant and was serving as an abutment. Care must be taken when extracting this tooth, to prevent
1. displacement of the palatal root into the maxillary sinus
2. fracture and removal of the floor of the maxillary sinus along with the tooth
3. alveolar osteitis
4. displacement of the tooth into the masseteric space
Oral Surgery
Answer: 2
Of the following in which condition a biopsy should not be performed on a tissue when the tissue
1) Responds to local treatment
2) Is associated with paraesthesia
3) Suddenly enlarges
4) B & C
Oral Surgery
Answer: 1
The primary objective of removing bone when extracting a badly impacted mandibular third molar is to
1. expose the root bifurcation
2. expose the cervical line
3. allow proper closure of the wound
4. expose the height of contour of the tooth
Oral Surgery
Answer: 4
A 75-years-old woman whose weight is approximately 100 pounds requires multiple extractions under local anaesthesia. For premedication, the following dose of diazepam is enough to allay the apprehension
1) 20 mg
2) 30 mg
3) 10 mg
4) 5 mg
Oral Surgery
Answer: 3
If one treats an abscess with antibiotics without I&D it may cause
1) Non-suppurative inflammatory reaction
2) Formation of antibioma
3) Healing with scar formation
4) None of the above
Oral Surgery
Answer: 2
In osteosynthesis all are used except
1. Lag screw
2. Wires
3. Clampy bone plate
4. Eyelet wiring