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Results for “Tooth Resorption”

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At least 1,387 records · Page 77Linked to original sources
PubMed1990

[Rates of root resorption in orthodontically moved, periodontally affected and healthy teeth].

The aim of this SEM-study was to obtain a quantitative analysis for comparing the extent of root resorption in orthodontically treated teeth, in teeth with reduced periodontium and in healthy teeth. By using a statistically valid method the highest amount of root resorption was established in orthodontically moved teeth. The teeth with loss of attachment showed a significantly higher amount of root resorption than healthy teeth. This finding complicates orthodontic treatment in teeth with reduced periodontal attachment.

Adolescent↗
PubMedDate not supplied

Permanent molar impactions and an odontogenic keratocyst: report of case.

A case of permanent molar impactions involving maxillary and mandibular second and third molars is reported. An odontogenic keratocyst was present in conjunction with root resorption of adjacent teeth. Treatment involved surgical removal of the impacted teeth and enucleation of the cystic lesion.

Adolescent↗
PubMedDate not supplied

[Results of treatment of milk teeth pulp by modified formocresol method].

The purpose of the study was evaluation of the results of treatment of molar pulp diseases by the formocresol method from the standpoint of the development of inflammatory complications in periapical tissues, disturbances of physiological resorption of roots, disturbances of mineralization of crowns of homologous permanent teeth. For the treatment milk molars were qualified with the diagnosis of grade II pulpopathy in children aged from 3 to 9 years. The treatment was done using formocresol by a modified method of pulp amputation according to Buckley after previous devitalization with parapaste. The status of 143 teeth was examined again 1 to 4 years after completion of treatment. The proportion of positive results after one year was 94%, after two years it was 90%, after three years 87% and after four years 80%. The cause of premature loss of most teeth was root resorption acceleration by 18-24 months. No harmful action of formocresol on the buds of permanent teeth was noted.

Child↗
PubMed1989

Trauma to the oral cavity.

Sports events, particularly those in which mouth protectors are not commonly used, can be associated with injuries to the oral structures. While the incidence of sports-related orofacial injuries is not as high as for other traumatic events, the incidence could be reduced further by increased use of mouth and face protection. When injuries occur, quick action by primary health care providers can significantly improve the final outcome of the definitive treatment. Also important is appropriate follow-up evaluation and care since the effect of trauma on teeth is not always immediately apparent. Destructive resorption, unnecessary tooth loss, and possible alveolar infections may be prevented by referral to appropriate health care providers for evaluation following the initial urgent care of trauma patients.

Athletic Injuries↗
PubMed1989

[Dental autograft: a supplementary dimension in dental practice].

This article deals with the possibilities and limitations of autogenous transplantations. In properly selected cases (trauma, missing teeth,...), this procedure might be a valuable alternative treatment. The indications for transplantation, the surgical technique, the recipient site and the choice of the transplant are discussed. The most important parameters which influence the success of a transplantation are: the stage of root formation, the atraumatic removal and insertion of the germ, the final position of the transplant and the post-operative fixation. Clinical examples will illustrate some indications.

Child↗
PubMed1989

[Root canal treatment and esthetic reconstruction in traumatology].

The use of calcium hydroxide in the treatment of traumatic injuries are reviewed in this paper and demonstrated by some clinical cases. The necessity of a proper crown reconstruction is also emphasized as it is impossible to use posts in these treatments.

Calcium Hydroxide↗
PubMed1989

[Effect of epidermal growth factor (EGF) on proliferation of the cells derived from the root resorbing tissue of human deciduous teeth].

The resorption of the roots of deciduous teeth is a physiological phenomenon. Many morphological and histological investigations of the root resorption have been reported. However little biochemical data concerning systemic factors in it are available. In this study, cell culture derived from the root resorbing tissue of human deciduous teeth was tried and the effect of EGF on that cell was examined. The dissected root resorbing tissue from human deciduous teeth was cultured in a medium containing 10% fetal calf serum in a humidified incubator at an atmosphere of 5% CO2 in air at 37 degrees C. The outgrowing cells from root resorbing tissue were a mixed population of mesenchymal cells and epithelial cells during the early stage of cultivation, but at the later stage they changed to morphologically single population. The mesenchymal cells seemed to be derived from the dental sac and the epithelial cells from the enamel organ or the oral mucoepithelium. These cells seemed to be useful for analysis of the systemic factors in the root resorption. The effect of EGF on the proliferation of cells obtained as stated above was examined. EGF markedly stimulated DNA synthesis about by a factor of 6.9 for the mesenchymal cells and by a factor of 3.4 for the epithelial cells. These results suggested that EGF participates in the root resorption of human deciduous teeth.

Epidermal Growth Factor↗