Triphala showed statistically significant antibacterial activity against S. mutans biofilm formed on tooth substrate. The incorporation of Triphala in mouth rinse could prove to be effective in reducing S. mutans count in the oral cavity.
Complete prosthetic rehabilitation using implants require the presence of adequate dimensions of alveolar bone. Ridge augmentation procedures include the use of guided bone regeneration (GBR) procedures where the barrier membrane provides cell occlusion and space for the regenerating tissues. Alloderm GBR has been introduced for the purpose of augmenting bone and has been postulated to have the additionally ability to integrate into soft tissues. Twenty-two patients with Siebert's class I ridge deficiency were treated with BioOss and Alloderm GBR and followed up for a period of nine months. Significant increase in ridge dimensions of both hard and soft tissues were observed at six months period itself, suggesting that it as an effective method of augmenting deficient ridges.
SUMMARY:The aim of this study was to radiographically investigate the curve existing in slightly curved mesiobuccal canal of mandibular first molar by applying Piecewise straight line approximation. Extracted human mandibular molars were radiographed and one hundred radiographs were selected whose mesiobuccal canal showed slight curvature (10-20°) according to Schneider's method. The curves were traced and analyzed using Piecewise straight line method. Each curve was considered as a unit consisting of six different pieces of straight lines joining at seven specific points and the angle of curvature at these points was determined using the slope formula. All curves analyzed in this study had varying degrees of curvatures at different points on the curve. Maximum curvature (0.40°) was recorded at the middle third of the root canal. Within the limitation of the study, significant curvature occurs through out the curve existing in the mesiobuccal canal of mandibular first molar and the middle third of the curve showing greater degree of curvature. There is a possibility of greater curvature occurring in the coronal third of the curve. Though three dimensional studies would be more appropriate, Piecewise straight line approximation may be a better method than existing methods to simulate canal geometry.
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