Inlays, Onlays and Veneers Flashcards
what is an inlay?
A restoration made in the lab that covers pits and fissures of teeth
What are the 3 materials used for inlays?
gold composite porcelain
what are the uses of inlays for?
- occlusal cavities
- occlusal/interproximal cavities
- replace FAILED DIRECT restorations
what teeth do you usually make inlays for?
pre molars or molars
what are the advantages & disadvantages of inlays vs direct restorations?
advantages: - superior materials & margins, WONT deteriorate over time
disadvantages: time, cost
what is an onlay?
indirect restoration made in lab similar to an inlay but they COVER CUSPS as well
what materials are used for onlays?
gold composite porcelain
what are indications a patient needs an onlay?
- sufficient occlusal tooth substance has been lost
- caries
- pre-existing large restoration failed
what are the uses of an onlay?
- tooth wear cases, increases the OVD
- fractured cusps
- restoration of root treated teeth
- replace failed direct restorations
- LESS DESTRUCTIVE ALTERNATIVE TO CROWNS
what are alternatives for inlays & onlays?
- large direct restorations
- crowns
- extraction
what is a veneer?
a sheet of laminate usually a thin layer of cast ceramic that is bonded to the labial or palatal surface of a tooth with resin
what materials can veneers be made from?
ceramic composite gold
what are benefits of veneers?
- improve aesthetics
- change teeth shape and/or contour
- correct peg-shaped laterals
- reduce or close proximal spaces & diastemas
- align labial surfaces of instanding teeth
when should you NOT do veneers for a pt?
- poor oh
- caries rate high
- gingival recession
- high lip line & root exposure
- if expensive prep needed
- heavy occlusal contacts
- severe discoloration
