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At least 1,783 records · Page 99Linked to original sources
PubMed2000

An analysis of 58 traumatically intruded and surgically extruded permanent teeth.

Fifty-eight traumatically intruded and mainly surgically extruded permanent teeth were followed up for 3 years and 4 months (mid-term results: 29 teeth) and 9 months (short-term results: 29 teeth) on average. Statistically, the mid-term results showed more cases of severe crown discoloration (54%) than the short-term results (9%), but no difference in pulpal and periodontal healing. Three teeth (5%) were lost. Factors which positively influenced pulpal healing were shallow intrusion depth, intact crown and immaturity of the root. Factors which positively influenced periodontal healing were shallow intrusion depth and minimal surgical manipulation. Alveolar bone healing was positively influenced only by shallow intrusion depth.

Adolescent↗
PubMed1998

[Therapeutic management of traumatic avulsion of permanent teeth].

Management of avulsed permanent teeth requires perfect knowledge of the different parameters influencing the short and mid-term and above all long-term prognosis. Based on a review of the literature and the analysis of 50 cases cared for in our unit enables us to propose, in accordance with the extra oral delay and the degree of dental maturation, a protocol for the different emergency situations. This clarification emphasizes the contribution of new preserving solutions which allow reimplantation delays up to 24 hours without effect on prognosis.

Ankylosis↗
PubMed1998

Diagnosis and treatment of extracanal invasive resorption.

Extracanal invasive resorption is not a well-defined phenomenon. This article describes its clinical, radiographic, and histological characteristics. Treatment of affected teeth based on the location of the resorptive defect is also described.

Bicuspid↗
PubMed1991

Secondary alveolar bone grafting in clefts of the lip and palate.

A short review of the literature is presented outlining the role of alveolar bone grafting in cleft patients. An analysis of a series of 47 secondary alveolar bone grafts in 34 patients is presented. The age range was 7-24 years. At the time of evaluation, 30 canines were in final occlusion and good alveolar bone levels were present in 83% of patients. Of the 13 bilateral cases (26 clefts), 14 canines were in final occlusion and all cases had good alveolar bone levels. No major complications were encountered. The graft was completely resorbed in 3 cases (6.4%) only.

Adolescent↗
PubMed1995

New philosophy for the treatment of avulsed teeth.

The success rate of replanted avulsed teeth has been low. This poor success rate results from the use of only one treatment regimen. This treatment regimen, replantation as quickly as possible regardless of circumstances, ignores much of the dental research that shows this regimen to not be efficacious. In addition, the profession has disregarded much of the research that shows many recommended storage media damaging to avulsed teeth. This article reviews the pertinent research on avulsed teeth and recommends a new treatment philosophy of avulsed teeth that delineates 10 treatment categories based on the type of storage medium used, the length of extraoral time, and the stage of development of the root apex.

Air↗
PubMed2004

Effects on periradicular periodontal tissues of root canal irradiation with Er:YAG laser in rats.

OBJECTIVE: The effects of Er:YAG laser irradiation on the periodontal region during root canal preparation were evaluated using rats histopathologically. BACKGROUND DATA: The effects on periodontal tissues along the root surface and apical area during root canal preparation using Er:YAG laser irradiation in vivo are not clear. METHODS: One hundred mesial root canals of mandibular first molars in rats were divided into four groups. In three of these groups, root canals were irradiated using an Er:YAG laser at 2 Hz and 34, 68, and 102 mJ/pulse for 30 sec. Non-irradiated canals served as controls. The effects of laser irradiation on the periodontal tissues along the root surface and apical area were evaluated at 0, 2 days, 1, 2, and 4 weeks after irradiation under light microscopy. RESULTS: At 4 weeks after treatment, no inflammation or resorption was observed in any cases in the control or 34 mJ/pulse-irradiated groups. However, moderate to severe inflammation with resorption of root surface was observed in four of five cases (80%) in the 102 mJ/pulse-irradiated group, which was significantly different from the control (p < 0.01). CONCLUSIONS: These results suggest that the effects on periodontal tissues during root canal preparation by Er:YAG laser irradiation after pulpectomy are minimal, if appropriate parameters are selected, and this is a potential therapy for human root canals of teeth.

Animals↗
PubMed2002

Radiographic evaluation of the effect of endotoxin (LPS) plus calcium hydroxide on apical and periapical tissues of dogs.

The aim of this study was the radiographic evaluation of the apical and periapical region of dog teeth submitted to intracanal bacterial endotoxin (lipopolysaccharide, LPS), associated or not with calcium hydroxide. After removal of the pulp, 60 premolars were divided into four groups and were filled with bacterial endotoxin (group 1), bacterial endotoxin plus calcium hydroxide (group 2), saline solution (group 3), or periapical lesions were induced with no treatment (group 4), for a period of 30 days. Similar periapical lesions were observed in groups 1 and 4. The lamina dura was intact in groups 2 and 3. Bacterial endotoxin (LPS) caused radiographically visible periapical lesions, but when associated with calcium hydroxide, this endotoxin was detoxified.

Animals↗