oral surgery Flashcards
1
Q
what is cryotherapy?
A
tissue denaturation using application of cold medium
good for fluid filled lesions
2
Q
what is diathermy?
A
production of heat using electric current to cause coagulation, fulguration and cutting
3
Q
describe the composition of parotid gland saliva
A
serous
4
Q
describe the saliva composition of submandibular glands
A
serous»mucinous
5
Q
describe the saliva composition of sublingual glands
A
mucinous»serous
6
Q
what are the indication for extracting teeth?
A
- un-restorable caries
- un treatable pupal/peri apical pathology
- cellulitis, abscess, osteomyelitis
- resorption of adjacent tooth
- disease of tooth follicle
- tooth in line of jaw surgery
7
Q
what re the indications for CBCT scan?
A
- third molar surgery = if traditional techniques unable to show relationship between ID can
- trauma
- tmj
- large bony lesions
8
Q
what are the principles of flap design?
A
- maintain blood supple
- preserve papilla
- avoid vital structures
- suture over bone
- ability to extend flap
- ability to close
9
Q
what radiographic signs can be used to predict nerve injury risk ?
A
- darkening of roots
- deflection of roots
- narrowing of roots
- interruption of white line (banding)
- narrowing of canal
- diversion of canal