Intro to operative dentistry Flashcards
what is a direct restoration?
what is an indirect restoration?
- a single procedure
- two visits needed to complete, temporary needed
why are teeth restored?
caries, aesthetics, NCTSL, failed restorations
what are the aims of restorations?
restore tooth integrity, restore aesthetics, restore tooth function, remove disease
stained fissure and decalcified enamel
- low risk - dentine involved
- low risk - no dentine involved
- high risk
- sealant restoration
- monitor
- restore
proximal caries:
- only enamel lesion
- lesion reached ADJ
- lesion reached dentine
- monitor
- restore
- restore
cervical caries sound and stained
leave
cervical caries stained and decalcified, is it arrestible?
yes - monitor
no - restore
what is microprep?
handpieces and burs of reduced size aids keeping prep minimum
used with magnification
what is chemo-mechanical removal?
sodium hypochlorite 0.5% = carisolv
may not remove enough tooth tissue
time consuming
what is sonic prep?
handpieces working by vibration
what is air abrasion?
what are the disadvantages?
AlO2 through a fine angled nozzle
gives a saucer shaped cavity
D - irritates asthma, adjacent teeth need protection
what are lasers used for?
soft and hard tissue removal
what is ozone?
bacteria in caries identified with laser
delivers O2
kills acidogenic bacteria
what is ART?
atraumatic restorative treatment
by hand excavation, then reinforced with GI
