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Published in French in Tropical Dental Journal Volume 23 - June 2000 pages 35-40
Article Open access
Authors : F. Gaye, M. Mbaye, A.W. Kane, A. Diagne, F. Diop-Thiaw, M. Sarr - Senegal
Les restaurations occluso-proximales doivent rétablir une morphologie coronaire permettant une physiologie normale.
L'évaluation radiologique de 55 restaurations occluso-proximales à l'amalgame réalisées par les étudiants de 4ème et 5ème années à l'Institut d'Odontologie et de Stomatologie et jugées cliniquement acceptables, a montré 63,63 % de restaurations incorrectes avec des défauts : du contact inter-dentaire (absence de contact ou grande surface de contact) et de la limite cervico-proximale (hiatus ou débordement).
Les fautes iatrogènes identifiées vont du choix du matériel de coffrage selon le type de dents, à l'utilisation d'écarteurs et de coins inter-dentaires.
Le contrôle radiographique de ces restaurations a permis une correction immédiate des débordements et de certaines grandes surfaces de contact en améliorant sensiblement le score de réussite (jusqu'à 20% sans reprendre l'obturation à l'amalgame).
La radiographie rétro-alvéolaire est un instrument d'évaluation clinique indispensable pour une meilleure intégration parodontale des restaurations occluso-proximales dans l'espace biologique et l'espace inter-proximal.
The occluso-proximal restorations should restore a coronary morphology pemitting a normal physiology.
The radiological evaluation of 55 occluso-proximal restorations with the amalgam done by 4th and 5th years students at the Odonto-Stomatology Institute, and judged clinically acceptable, has shown 63,63 % of incorrect restorations with faults : of inter-dental contact (absence of contact or large contact area) and of cervico-proximal limit (hiatus or excess).
The identified iatrogenic faults come from the choice of matrixing material in accordance with the clinical situation, to the use of separators or inter-dental wedges.
The radiographic control of theses restorations has permit an immediate correction of excesses and some big areas of contacts, by improving appreciably the success score (up to 20% without re-doing the obtrusion with the amalgam).
The retro-alveolar radiography is a clinical evaluation instrument for a better periodontal integration of occlusoproximal restorations in the biological space and inter-proximal space.
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