MDA--another stupefacente.
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Biomedical subjects
Publications and source records attributed to R B Mack.
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A 3-year-old girl had a darkened and symptomatic maxillary right deciduous central incisor. This report describes the rationale and technique for a labial pulpectomy access opening and subsequent composite resin restoration. This innovative approach for the pulpal treatment of these deciduous incosors not only improves the access for instruments and direct visualization for the operator but also greatly improves the appearance of the dark teeth without complete coverage. Two other clinical applications of this labial approach should also be mentioned. First, anterior stainless steel crowns can be made esthetically pleasing by placing labial resin facings in the crown. Second, access for pulpotomy procedures can be improved with use of a labioincisal approach after the incisal reduction step in the preparation of deciduous incisors for complete coverage.
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While the formocresol pulpotomy has enjoyed long-term clinical use and success, concerns over its toxicity and mutagenicity have prompted research into other pulpotomy techniques. The purpose of this study was to observe retrospectively the results of the electrosurgical pulpotomy technique used on primary molar teeth requiring pulp therapy, secondary to carious involvement. The mean age at the time of treatment was 5 years, 11 months and the mean postoperative observation time was 2 years, 3 months. Of the 164 teeth studied, 127 were normal at the last observation visit; 32 had undergone exfoliation; 4 had an abnormality associated with the pulpotomized tooth, but were not considered failures; and 1 was considered a failure. This is a 99.4 percent success rate. Compared to a formocresol pulpotomy study of similar design, the success rate for the electrosurgical pulpotomy procedure in this study is higher at the statistically significant level of p < 0.01.
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