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Quiz 48,8,15
DAP 107 quiz ch 48,8 and 15
| Question | Answer |
|---|---|
| _________ are thin layers of esthetic materials that are bonded to the fronts of teeth | Veneers |
| Veneers cover defects, close diastemas, and relieve rotations with out what | orthodontics |
| Veneers are cemented with | flowable resin material |
| what should you avoid using on ceramic restorations as they could roughen the restoration | acid etchants and acidic fluorides |
| The characteristics of hue, chroma and what must be taken into consideration when shade is determined? | value |
| Most dental offices have a combination of what 2 kinds of lighting | fluorescent and incandescent |
| what is the preferred source of light for picking a tooth color shade | natural light |
| what should you have a female patient do prior to picking a shade for the teeth? | remove lipstick or heavy makeup |
| gypsum products are manufactured as what | plaster,stone,high strength stone and gypsum bonded investment |
| larger irregular particles in gypsum products make a __________stone | weaker |
| smaller more uniform particles in gypsum products are | stronger |
| ______ has the highest rate of expansion | plaster |
| ______ have the lowest rate of expansion | stones |
| _______ is the result of growth of crystals as they join together | setting expansion |
| the _____ the porosity of the final gypsum product , the less surface detail it has | greater |
| ______ is much more soluble than _____ | plaster, stone |
| if you are pouring a diagnostic model you use_____ | plaster |
| if you are making a crown or a bridge, you use | die stone |
| it takes about ____ to mix plaster / stone completely | 1 minute |
| after mixing stone/plaster you have about ___ minutes of working time | 5 |
| the loss of _____ indicates that the gypsum has reached its initial set | gloss |
| The final set is reached once the material is hard and the ____________ reaction __________ completely | exothermic, cools |
| how long should you wait according to manufacturers to separate the impression from the cast | 1 hour |
| Gypsum products can absorb water from what | the environment |
| Gypsum products should be stored in ____,____ ____ containers | airtight, moisture proof |
| what is also known as vital bleaching | tooth whitening |
| name 3 indications for using a tooth whitener | extrinsic stains, aged discolored teeth,intrinsic stains |
| what is the active ingredient(s) in whitening products | carbamide peroxide or hydrogen peroxide |
| with 10% - 15% carbamide peroxide gels, how long should you wear the tray for | 1 hour 2 x day for the first week , 1 x day for the second week |
| with 20% - 22% carbamide peroxide gels, how long should you wear the tray for | 1 hour x day for 2 weeks |
| how long should you wear your tray if using hydrogen peroxide gel in your tray | 15-30 minutes, 2 to 3 x a day for 2 weeks |
| how long did I say you should tell your patients to wear their bleaching trays | 30 min a day for 7 - 10 days |
| what is used to whiten the teeth on the whitening strips | hydrogen peroxide |
| what are 2 possible complications to tooth whitening | thermal hypersensitivity and tissue irritation |
Created by:
cynthia.fryer
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