Natural canine crowns are preferred as abutments for removable partial dentures because of their root morphology and bony support. However, preparing the rest seat on the lingual surface of a mandibular canine risks perforating the enamel. An alternative rest-seat preparation, on the marginal ridge of the canine crown, conserves tooth structure and provides a rest seat of adequate length and de...

the witkop syndrome is a rare autosomal dominant disorder characterized by the absence of several teeth and abnormalities of the nails. this is the first report of a rare genetic tooth and nail syndrome diagnosed in a 2.5-year-old boy with early exfoliation of the primary canine, absence of the primary incisors, and nail dysplasia. a homozygous mutation was identified in 3’-utr of msx1 gene in ...

Introduction: The uniqueness of dental morphology plays an important role in Forensic Odontology, especially for human identifications, in which a single tooth can provide information for dental identification. Objective: To address the importance of a permanent lower canine with two roots for dental identification considering the internal and external morphology of the canine roots. Case repor...

2. JARCHO, SAUL, Human Palaeopathology, Proceedings of a Symposium on Human Palaeopathology held in Washington D.C., 14 January 1965. 3. M0LLER-CHRISTENSEN, V., 'A rosary bead used as tooth filling material in a human mandibular canine tooth. A unique case from the Danish middle ages', Proc. XXI Congr. internaz. Stor. Med., Siena, 22-28 September 1968, Rome, 1969. 4. WEmSS, D. L., and M0LLER-CH...

Introduction: Rapid canine retraction through distraction of the periodontal ligament is a tooth movement technique that allows space closure of first premolar extraction space within a period of two to three weeks while providing significant reduction in orthodontic treatment time. Objective: To propose changes in the original surgical technique and in the placement of distractors. Conclusions...

Ectopic eruption into the dental environment is common, whereas eruption into other sites is rare. Diverse anatomical locations such as the mandibular condyle, coronoid process, palate, maxillary sinuses and nasal cavity can infrequently be the site of ectopic tooth eruption. One of the nondental sites for ectopic eruption is the maxillary sinus. Here, we present a case of dentigerous cyst with...

Objective- Due to its specific position, the canine tooth is more exposed to the injuries, fractures and pulp necrosis. In these cases, the damaged teeth are usually pulled out. The root of this tooth is very large and sometimes extends over the premolar teeth. To extract it, a large amount of alveolar bone tissue should be harvested. Moreover, the cavity remains very large, wh...

This article describes esthetic improvement in a patient with a missing maxillary left central incisor. Space analysis of the anterior dentition showed that minor tooth rearrangement was needed. Optimal space distribution for restorations was attained by orthodontic treatment. Through transforming tooth shape with porcelain laminate veneers, the maxillary left lateral incisor was transformed in...

The objective of this report is to describe combined orthodontic and endodontic treatment of a fused mandibular premolar with supernumerary tooth. The patient was a 15 year old girl seeking orthodontic treatment for the correction of maxillary and mandibular crowding. Cephalometric examination revealed skeletally Class I relationship. The panoramic radiograph showed a fused tooth with two separ...