Op 2 - Inlays and Onlays Flashcards
A fixed intracoronal restoration made outside of a tooth to correspond to the form of the prepared cavity, which is then luted into the tooth
Inlay
A restoration that restores one or more cusps and adjoining occlusal surfaces or the entire occlusal surface and is retained by mechanical or adhesive means
Onlay
What are the 3 possible materials for inlays/onlays?
Metal
Ceramic
Metal
Inlay/Onlay restorations are recommended for teeth that are missing a large portion of tooth structure due to decay or fracture, but do not
require a _________
crown
Which inlay material would you use?
Intact B and L enamel
Ceramic
Which inlay material would you use?
Demand for esthetic
Ceramic
Which inlay material would you use?
Low caries rate
Ceramic
Metal
Which inlay material would you use?
Sufficient tooth structure
Ceramic
Metal
Which inlay material would you use?
Small carious lesion (max. 2 surfaces)
Metal
Which inlay material would you use?
Adequate dentinal support
Metal
Which inlay material would you use?
Deep subgingival prep
Metal
Which inlay/onlay material is contraindicated in the following situation?
Bruxism (high functioning pts)
Ceramic
Which inlay/onlay material is contraindicated in the following situation?
Inability to obtain moisture free environment for luting
Ceramic
Which inlay/onlay material is contraindicated in the following situation?
Deep subgingival preps
Ceramic
Which inlay/onlay material is contraindicated in the following situation?
High caries index
Ceramic
Metal
Which inlay material is contraindicated in the following situation?
Insufficient tooth substance
Ceramic
Metal
Which inlay/only material is contraindicated in the following situation?
Poor plaque control
Ceramic
Metal
Which inlay material is contraindicated in the following situation?
MOD carious lesions
Metal
Which inlay material is contraindicated in the following situation?
Poor dentin support
Metal
For a metal inlay, ideal occlusal depth is _____ mm in dentin. (flat floor)
1mm
For a metal inlay, divergence of buccal & lingual walls is ________ degrees total
6-10
For a metal inlay, you should place a _________ lock to resist _________ displacement
dovetail; proximal
For a metal inlay, buccolingual extension should be as ___________ as possible
minimal
Where should proximal grooves be on metal inlay preps?
Facially and lingually on axial wall