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Coroana metalica de acoperire totala. INDICATII 1) distructii coronare ext de etio carioasa, trauma 2) dinti tratati endo 3) dinti care prezinta obturatii 4) cerinte de max retentie & rezistenta
Coroana metalica de acoperire totala. CONTRAINDIC 1) cerinte estetice 2) retentie insuficienta a dintelui (pref coroana substitutie)
Coroana metalica de acoperire totala. AVANTAJE 1) rezistenta mech f buna 2) retentivitate f buna 3) prep dent mai putin invaziva
Coroana metalica de acoperire totala. DEZAVANTAJE 1) inestetice 2) teste de vitalitate imposibile 3) efecte secundare prin eliberarea a ionilor metalici (corrosion)
Coroana metalica de acoperire totala. PREP DENTARA (a) 1) OCCLUZAL: 1mm cuspizi de ghidaj, 1.5mm cuspizi de sprijin 2) LIMITA CERV: chamfer, unghi obtuz 135 grade; cresterea retentivitatii bontului: fara limite precise (tangentiala) 3) LIMITA PREP: supragin: zone nevizibile; subgin: inaltime redusa
Coroana metalica de acoperire totala. PREP DENTARA (b) 4) dinti pluriradic cu exp furc: prep unui sant vertical de la sant pana la fata occ 5) DINTI IN MALP: slef accentuate, devitalizari; modern: orto
Coroana mixta metalo-ceramica. INDICATII 1) cerinte estetice deosebite 2) contraindic ale puntii integral ceramice 3) toate indic coroanei metalice
Created by: umf11dental