Cases reported "Dentin, Secondary"

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1/37. Apical bridging in association with regular root formation following single-visit apexification: a case report.

    A case report is presented in which continuing root formation occurred in a carious nonvital and immature mandibular second premolar after single-visit calcium hydroxide apexification treatment. An apical hard tissue barrier was formed, accompanied by a separate, mesioapically growing root, 7 months posttreatment. Treatment was concluded with gutta-percha root canal restoration. The success of this single-visit apexification treatment supports the contention that frequent changing of the calcium hydroxide dressing is not always required to induce apical closure. ( info)

2/37. Delayed apical healing after apexification treatment of non-vital immature tooth: a case report.

    We report the endodontic treatment of a non-vital permanent immature tooth in which unexpected complications such as exacerbation of apical periodontitis followed by external root resorption occurred after that the initial stages of the healing process were clinically and radiographically evident. After continued treatment stable repair was obtained. ( info)

3/37. Whitening of endodontically untreated calcified anterior teeth.

    Definitive treatment for whitening endodontically untreated anterior teeth with dystrophic calcification is provided by removing the coronal sclerotic dentin and utilizing internal and external bleaching as necessary. ( info)

4/37. Prophylactic treatment of dens evaginatus using mineral trioxide aggregate.

    Two case reports with dens evaginatus are presented. Each patient had one tooth affected. There was a prominent tubercle on the occlusal surface of the mandibular second premolar. Under local anesthesia and rubber dam isolation a partial pulpotomy was conducted and mineral trioxide aggregate was placed. After 6 months the teeth were removed as part of planned orthodontic treatment. Histological examination of these teeth showed an apparent continuous dentin bridge formation in both teeth, and the pulps were free of inflammation. These cases show that mineral trioxide aggregate can be used as an alternative to existing materials in the proplylactic treatment of dens evaginatus. ( info)

5/37. Conservative management of an accidentally resected root: a 3-year follow-up.

    Despite all the effort by dentists to provide high levels of dental care in clinical practice, there is always the possibility of accidents occurring. This report describes a referred case that presented with irreversible pulpitis in tooth #19. The situation developed after accidental resectioning of the distal root of tooth #19 during the surgical extraction of tooth #18 by another dentist. The resultant open apex in the distal root of tooth #19 was managed conservatively. A positive apical stop was prepared at the root end of the distal root and sterile calcium hydroxide powder was used to create an apical barrier against which a gutta-percha filling was condensed. The treatment appeared successful at 3-year follow-up. ( info)

6/37. Revascularization of an immature permanent tooth with apical periodontitis and sinus tract.

    A necrotic immature mandibular second premolar with periapical involvement in a 13-year-old patient was treated. Instead of the standard root canal treatment protocol and apexification, antimicrobial agents were used in the canal, after which the canal was left empty. Radiographic examination showed the start of apical closure 5 months after the completion of the antimicrobial protocol. Thickening of the canal wall and complete apical closure was confirmed 30 months after the treatment, indicating the revascularization potential of a young permanent tooth pulp into a bacteria-free root canal space. ( info)

7/37. Combined apexification and orthodontic intrusion of a traumatically extruded immature permanent incisor.

    A patient with a traumatic extrusion of the maxillary right central incisor was referred to the Pedodontic Clinic of Gazi University faculty of dentistry after 15 days. Orthodontic repositioning of the tooth was planned in 6 months. At the beginning of orthodontic therapy it was observed that the tooth was necrotic and needed an apexification procedure. The apexification procedure and orthodontic intrusion were successfully performed at the same time. In addition, a "walking bleach" was performed after the orthodontic and endodontic procedures were completed. At the 3-year recall, the tooth appeared normal in all respects. ( info)

8/37. Clear cell odontogenic carcinoma with ghost cells and inductive dentin formation - report of a case in the mandible.

    An atypical case of clear cell odontogenic carcinoma occurred in the mandible of a 50-year-old Japanese man. Microscopically, the tumor mainly consisted of clear, glycogen-rich epithelial cell nests, aggressively proliferated in the mandible and invading into the surrounding soft tissues. Within the tumor cell nests, clusters of ghost cells were observed in addition to occasional foci of microcystic degeneration. Hyaline, osteoid or dentinoid-like deposits were also demonstrated adjacent to the tumor cell nests. Dentinal tubules were clearly revealed in some of these structures. Hence, this tumor was regarded as an epithelial neoplasm with odontogenic ectomesenchyme induction. ( info)

9/37. Unusual fracture of a mandibular second premolar: a case report.

    Root fractures of posterior teeth, which are defined as fractures involving cementum, dentin, and pulp, are relatively uncommon among dental traumas. This study describes an unusual horizontal fracture of a mandibular second premolar. The tooth was asymptomatic and the fracture unnoticed until the crown broke off completely. The patient had no recollection of a causative event nor was there any evidence of previous physical trauma. The tooth was extracted, embedded in resin, sliced, and examined with different light microscopes. It was concluded that the tooth had been damaged previously but not to the extent that the pulp was seriously damaged. Resorption over a period of time eventually caused the final fracture. ( info)

10/37. Cvek pulpotomy: report of a case with five-year follow-up.

    Partial pulpotomy (Cvek pulpotomy) is the treatment of choice for injured permanent incisor teeth with exposed vital pulp tissue and immature apices. This treatment preserves pulpal function, thus allowing continued root development. The present report describes the case of a permanent incisor with incomplete root end closure that underwent a Cvek pulpotomy, with subsequent apical closure. Five years post pulp therapy, the tooth remained symptom free. ( info)
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