OSCE study Questions & Answers(RATED A)

fluorosis - ANSWERcaused by excessive fluoride white/brown spots. pitting and mottling is possible Tetracycline Stain - ANSWER- Brown, gray or yellowish intrinsic stain - Happens when a patient ingests tetracycline when teeth are developing. Pulp necrosis - ANSWERcreates teeth that are dark puplitis - ANSWERInflammation of the pulp yellow stain (extrinsic) - ANSWERcaused by heavy dental biofilm build up Green stain (extrinsic) - ANSWERcaused by poor oral hygiene Black stain - ANSWERcaused by iron compounds embedded in the dental biofilm (found in clean mouths) Brown to black stain - ANSWERtobacco stain orange stain - ANSWERassociated with chromogenic bacteria tan to dark brown - ANSWERcaused by food such as red wine, tea, or coffee yellow, brown, or grey stain - ANSWERcaused by chlorhexidine grey-green stain - ANSWERcaused by marijuana amelogenesis imperfecta - ANSWER(enamel) imperfect formation of enamel; hereditary condition in which the ameloblasts fail to lay down the enamel matrix properly or at all dentinogenesis imperfecta - ANSWERbrownish/blue in color. weak dentin Anodontia - ANSWERabsence of teeth (all) Hypodontia - ANSWERlack of one or more Supernumerary teeth - ANSWERextra teeth Microdontia - ANSWERabnormally small teeth Macrodontia - ANSWERabnormally large teeth Fusion "twinning" - ANSWERone crown, two roots Gemination - ANSWERtwo crowns, one root (single crown in two parts) Concrescence - ANSWERUnion of teeth by cementum (at the ROOT) Dilaceration - ANSWERan abnormal bend or curve, as in the root of a tooth de