Cases reported "Tooth, Nonvital"

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1/87. Radiographic appearance of titanium posts in endodontically treated teeth.

    titanium and titanium alloy posts are currently being used in complex dental restorations. titanium posts have been shown to be less radiopaque than stainless steel and to have a radiographic density similar to gutta-percha. This radiographic similarity can make detection of a titanium post difficult. Failure to identify the presence of a titanium post before the initiation of retreatment could cause significant complications for the treating endodontist. Five cases are presented to describe the radiographic subtleties that can be used to detect the presence of a titanium post. ( info)

2/87. zirconium oxide post and core system for the restoration of an endodontically treated incisor.

    Due to their enhanced optical properties (eg, translucency, value, chroma), ceramic systems can provide natural aesthetics for restorations placed in the anterior segment. In endodontically treated teeth with stained dentin, however, the use of translucent ceramic materials may be contraindicated unless the underlying discoloration can be masked. This article describes the use of a zirconium oxide post and core system with an all-ceramic crown for the restoration of an endodontically treated anterior tooth. This contemporary system allows optical and mechanical requisites to be resolved simultaneously. ( info)

3/87. The dentine-bonding of a fractured non-vital anterior tooth.

    This case illustrates an alternative management of a fractured non-vital incisor using adhesive techniques to avoid the disturbance of, and offer protection to, successful endodontic treatment. The rationale for the maintenance of sound tooth structure and the minimisation of coronal leakage, while adequately restoring aesthetics, is discussed. ( info)

4/87. Carbamide peroxide whitening of nonvital single discolored teeth: case reports.

    patients who present with a single discolored tooth represent a significant restorative challenge. These case reports describe an economic and conservative treatment option for these patients. The situations presented demonstrate techniques for bleaching with carbamide peroxide in a traditional nightguard or with an inside-outside technique to achieve acceptable esthetic results on isolated nonvital discolored teeth. Although these techniques may not be effective in all cases, they do not compromise or eliminate any future treatment options. ( info)

5/87. Forced eruption: a multidisciplinary approach for form, function, and biologic predictability.

    There are several treatment options for patients with coronal fractures, subgingival caries perforations, and root resorption. Frequently, forced eruption is not considered, although in many cases of single-rooted teeth, forced eruption is the "gold standard" for producing an esthetic result without jeopardizing periodontal support for adjacent teeth. Sufficient tooth length, achieved through forced eruption, ensures the periodontal health of the "biologic width" and crown margin and thus a successful restorative outcome. ( info)

6/87. Thermal sensitivity of endodontically treated teeth.

    case reports: The problem of thermal sensitivity following non-surgical root-canal treatment is explored and case reports are presented. Possible causes for post-treatment discomfort from endodontic and restorative aetiologies are discussed, as are the mechanisms to explain the patients' painful experiences. Treatment of this problem may vary from the simple replacement of a defective restoration to a more extensive non-surgical retreatment of the case, despite radiographic evidence of an acceptable root filling and normal periradicular tissues. ( info)

7/87. apexification & apexogenesis.

    When there is pulpal involvement of permanent teeth with incompletely formed roots, techniques for the induction of apical closure should be completed before endodontic therapy is begun. apexification is a method of inducing a calcified barrier at the apex of a nonvital tooth with incomplete root formation. Apexogenesis refers to a vital pulp therapy procedure performed to encourage physiological development and formation of the root end. ( info)

8/87. A lesion of endodontic origin misdiagnosed as a globulomaxillary cyst.

    This report presents a case of a lesion originating from a pulpless central incisor misdiagnosed as a globulomaxillary cyst. The initial diagnosis of globulomaxillary cyst was made solely from radiographs by observing an almond-shaped radiolucency between the lateral incisor and cuspid. No pulp testing was performed before surgical removal of the lesion. The final diagnosis of an endodontic lesion caused solely by a pulpless central incisor was complicated by the initial lack of a pulpal response from the lateral incisor next to the surgical site. By delaying the start of endodontic treatment, pulp sensibility returned to the lateral incisor and the diagnosis of an endodontic lesion caused only by a pulpless central incisor was confirmed. ( info)

9/87. 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)

10/87. Management of a horizontal root fracture after previous root canal therapy.

    This case report concerns a 9-year-old girl who had a horizontal root fracture of her maxillary left central incisor and had root canal therapy performed by her family dentist immediately after the injury. Because of the incomplete canal obturation, the root canal filling material was removed, and calcium hydroxide therapy was initiated. Healing at the fracture site occurred, with hard tissue forming between the root segments. The coronal segment of the root was then obturated with gutta-percha. The patient later had orthodontic treatment with some movement of the coronal segment. Six-year post-treatment follow-up shows apparent clinical and radiographic success. This case illustrates the potential for repair of a horizontal root fracture after endodontic retreatment of the coronal segment and long-term splinting. ( info)
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