Browsing by Author "Srivastava, S"
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Publication Assessment of The Relationship of Incisive Papilla to Maxillary Central Incisor and Canine-Papilla-Canine Line among the Dentate population of Central Nepal(Kathmandu University, 2017) Sapkota, B; Srii, R; Srivastava, S; Marla, V; Koju, SABSTRACT Background Incisive papilla has been used as a fixed anatomical landmark to guide in teeth arrangement. Objective To assess the relationship of distance from central incisor to incisive papilla with various types of arch forms, shapes of incisive papilla and types of canine-papilla- canine relation. Method Two hundred maxillary stone casts were prepared. Eighteen casts were excluded as they had voids and the final study was carried out in 182 participants. The arch form was assessed according to Testut L. and shape of incisive papilla was recorded according to Filho IE et al. A digital Vernier caliper was used to measure the distance from posterior point of incisive papilla to the mesio-incisal edge from the labial side of maxillary central incisor. The inter-canine line was drawn and its position with incisive papilla was assessed. The analysis was done using SPSS version 20.0. One way ANOVA was done. Result Result showed that parabolic type of arch was the most common i.e. 76.4%. Mean distance of central incisor to incisive papilla was 11.093±1.894 mm. No significant difference was observed in the distance of Central incisor to Incisive Papilla among different arch forms (p=0.854) and various shapes of incisive papilla (p=0.091). The mean distance of central incisor to incisive papilla was significantly greater when canine-papilla-canine line passed from the middle than from posterior part of incisive papilla. Conclusion These results suggest that incisive papilla is a reliable biometric guide which would help to reduce the clinical time of both the dentist and the patients in placement of the anterior teeth. KEY WORDS Central incisors, canine-papilla-canine line (CPC), incisive papilla (IP)Publication Incidence and Pattern of Impaction of Mandibular Third Molars : A Single Institutional Experience in Nepal(Kathmandu University, 2017) Upadhyaya, C; Chaurasia, NK; Neupane, I; Srivastava, SABSTRACT Background Impacted teeth are those that have erupted or are partially erupted and will not assume a normal arch relationship with opposing and adjacent teeth and tissues. Objective To evaluate the incidence and pattern of mandibular impacted third molars in patients of Dhulikhel Hospital. Method A retrospective study was conducted from March 2016 to November 2016 and reviewed 581 orthopantomograms and clinical records of patients who presented to the Department of Oral and Maxillofacial Surgery. The angulation of impaction was measured using Winter’s classification and the level and position of impacted third molar was recorded using Pell and Gregory classification system. The etiology for extraction was recorded from previous clinical records. Result In this study, incidence of impaction was more prevalent in females. The most common pattern of impaction was mesioangular followed by horizontal, vertical, distoangular and others. The most common cause of extraction was caries in the third molar. There was no significant difference between the pattern of impaction in the right and left sides of the mandible. Conclusion Classifications of impacted mandibular third molars can be effectively used to predict the surgical difficulty and to evaluate the risk of postoperative complications. Therefore, this study highlights the importance of evaluation of pattern, type and class of impaction in Nepalese population giving a high clinical significance. KEY WORDS Impaction, incidence, mandibular, pattern, third molar