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PubMed1990

Endodontic management of the avulsed tooth and tooth transplantation.

The major causes of post-transplantation tooth loss following tooth replacement after avulsion (exarticulation) and surgical replacement of impacted maxillary canines (auto-transplantation) are inflammatory root resorption and replacement resorption (ankylosis). This paper attempts to outline the treatment and management of replanted teeth using the current philosophies of splinting, endodontic therapy and the use of calcium hydroxide in the re-attachment of the periodontal ligament (PDL). Clinical research during the past 20 years has provided sufficient information for the development and establishment of a rational and effective program of treatment.

Ankylosis↗
PubMed1988

Abnormal lymphocyte profiles and leukotriene B4 status in a patient with Crohn's disease and severe periodontitis.

THIS CASE REPORT DESCRIBES clinical and laboratory findings for a 60-year-old woman with recently diagnosed Crohn's disease and severe generalized periodontitis. Comparison of dental radiographs taken in 1975, in 1983, and at the time of our evaluation in 1986 revealed dramatic progression of alveolar bone loss over that period. Standard laboratory blood tests did not reveal any remarkable significant leukocyte abnormalities, but flow cytometric analysis of lymphocytes revealed a paucity of B cells stained with anti-light chain antibodies, and an increased proportion of T lymphocytes which were dully-stained with anti-CD5 monoclonal antibody. B cell function as determined by in vitro proliferative responsiveness to anti-IgM antibody was only about 50% of that observed with cells from two healthy normal subjects. Serum leukotriene B4 (LTB4) was elevated to 150% of normal values, in spite of the fact that the patient was taking a systemic anti-inflammatory drug which is known to reduce LTB4 levels. The microbial flora was highly mixed and included several putative periodontopathic bacteria. Therapy consisted of oral hygiene instruction, scaling and root planing, mucoperiosteal-flap curettage, extracoronal splinting, and selective extraction of three teeth. The periodontal status improved markedly with therapy. Possible relationships between the patient's immunological status, her Crohn's disease, and the severe periodontal breakdown are discussed.

B-Lymphocytes↗
PubMed1976

Dolder bar joint mandibular overdenture: a technique for nonparallel abutment teeth.

A mandibular overdenture technique has been presented that utilizes the Dolder bar joint attachment. Endodontically treated lower canines were retained as abutments. Two techniques for attaching the bar to teeth with divergent root canals were discussed: (1) the Schubiger screw system for those teeth with extremely divergent canals and (2) the Stutz pivots system for teeth with only slightly divergent root canals. The use of the Dolder bar joint offers periodontally involved teeth an improved crown/root ratio and splinting of the teeth. Because the bar is close to the alveolar bone, forces of mastication exert much less leverage to the teeth. Finally, the bar joint offers slight vertical and rotational movement of the denture as well as a stressbreaker action.

Dental Abutments↗
PubMed2003

The effect of a tooth gingival transplantation on periodontal healing.

We investigated the effects of a tooth gingival transplantation (TGT) on autologous tooth transplantation using tooth with both periodontal ligament and gingiva. Stabilization period, degree of tooth mobility, and periodontal pocket depth (PPD) were compared with those of transplanted teeth using the conventional method (tooth with periodontal ligament). The subjects were 76 healthy adults (56 cases for the conventional method and 20 cases for TGT). Stabilization period of the tooth was shorter in the cases of TGT than that of the conventional method. Degree of tooth mobility was almost the same for TGT and the conventional technique. The value of PPD at 12 weeks after operation was better in the TGT group than in the conventional method group. The results for both stabilization period and PPD were better in TGT than in the conventional method, indicating low risk for periodontal disease in TGT.

Acrylic Resins↗