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abrasives/stains
studying
| Question | Answer |
|---|---|
| zirconium silicate | general polishing - rubber cup polishing |
| Silica | breaks into fine grit - rubber cup polishing |
| Tin oxide | fine polishing - rubber cup polishing |
| Pumice | coarse stain removal - rubber cup polishing |
| Chalk | mild abrasive - rubber cup polishing |
| Fluoride paste | replaces fluoride - rubber cup polishing |
| Sodium bicarbonate | enamel only - air-powder polishing |
| Aluminum trihydroxide | harder, enamel only - air-powder polishing |
| Glycine | safe for dentin/restorations - air-powder polishing |
| dental fluorosis | intrinsic ,excess fluoride during development ,white to brown stains with pitting |
| tetracycline | intrinsic ,antibiotics during development ,light green,gray,or brown stains |
| nonvital tooth | intrinsic ,endodontic treatment/nonvital pulp ,yellow to black darkening stains |
| yellow | extrinsic ,food or poor hygiene ,light yellow stains |
| green | extrinsic ,chromogenic bacteria ,green,cervical third |
| black line | extrinsic ,chromogenic bacteria ,black line at the gingiva |
| tabacco | extrinsic ,tobacco use ,light to dark brown stains |
| betel leaf | extrinsic ,betel nut ,dark brown to black stain |
| metallic | intrinsic/extrinsic ,metals/drugs , varies by metal |
| chlorhexidine | extrinsic ,prolonged use ,yellow-green to brown stains |