PGCEE MDS 2022: Poor accessibility is the main disadvantage of which flap?

# Poor accessibility is the main disadvantage of which flap?

a) Trapezoid

b) Envelope

c) Semilunar

d) Partial thickness flap

The correct answer is C. Semilunar flap.

Basic requirements of a flap:

• Flap must be designed to provide adequate exposure to the surgical area.

• Flap must have a broad base and good vascular supply.

• When placed back, the flap should rest on healthy bone.

Envelop flap: Incision along the free gingival margin with no vertical incision

A two-sided triangular flap is an envelop flap with a releasing incision on one side.

A three-sided rhomboid flap is a modification of a two-sided flap with the addition of a second vertical incision.

Semilunar flap: is designed when the periapical area is required to be exposed. It is always kept 5 mm away from the gingival margin.

PGCEE MDS 2022: Bimanual palpation technique is carried out for:

 # Bimanual palpation technique is carried out for:

a) Submandibular sialadenitis

b) Sublingual gland

c) Ranula

d) Cervical lymph nodes when they are enlarged due to inflammation

The correct answer is A. Submandibular sialadenitis.

During bimanual palpation of submandibular gland, one hand is placed intra orally on the floor of mouth and other extra orally below mandible.

PGCEE MDS 2022: Cherry-blossom appearance on a sialogram indicates:

 # Cherry-blossom appearance on a sialogram indicates:

a) Mucoepidermoid cell carcinoma

b) Acinar cell carcinoma

c) Sjogren's syndrome 

d) Pleomorphic adenoma

The correct answer is C. Sjogren's syndrome.

Sialographs of Sjogren's syndrome demonstrate punctuate, cavitary defects which produce a 'cherry blossom' or 'branchless fruit laden tree' effect.

PGCEE MDS 2022: Which of the following wires is the better choice if alignment is needed?

 # Which of the following wires is the better choice if alignment is needed?

a) Nitinol wire 

b) TMA wire

c) Elgiloy wire 

d) Stainless steel wire

The correct answer is A. Nitinol wire.

TMA wires or  beta titanium wires

• Used for space closure and finishing

 • Used for final adjustment in torquing

Nitinol 

• Used for initial alignment