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At least 415 records · Page 23Linked to original sources
PubMed1975

The transplantation and surgical movement of developing teeth.

There has now been one hundred years of study, research and clinical application into the possibility of transplantation of tooth germs, and a short review of the literature is given. Two clinical cases are described in which replacement of upper incisors has been successfully achieved by auto transplantation of a developing lower bicuspid and upper canines respectively. Long term follow up of such cases now extends over a decade and it is suggested that this technique has reached a stage now hen it can be recommended to the dental profession generally as a worthwhile clinical approach.

Accidents↗
PubMed1976

Transport and storage of human teeth in vitro for autotransplantation and replantation.

A method has been devised for transporting and storing human teeth in vitro for autotransplantation and replantation. In the transplantation and replantation of accidentally lost teeth, the viability of the cells covering the root is of vital importance. Injury of the jaw and contamination of the tooth often prevent immediate replantation. To enable transportation and storage of teeth while maintaining viability of the periodontal ligament during the healing period after trauma, the following technique was worked out. With use of a transport medium and a tissue-culture technique, 35 human teeth were transported long distances (20 hours) to a tissue-culture laboratory and preserved for different periods of time. Three teeth were lost because of contamination. Twenty-one of the teeth were cultivated in tissue-culture medium at 37 C for four weeks; 11 of the teeth were stored in liquid nitrogen at -196 C for 27 weeks. After transportation and storage, it was possible to maintain the viability of the cells of the periodontal membrane of the teeth. Two cases are described wherein immediate transplantation and replantation were impossible. After transport to the laboratory, the teeth were stored for five weeks in one case and for three months in another case before replantation.

Adolescent↗
PubMed1976

[Possibilities and limitations in the conservation of traumatized deciduous teeth].

A survey is given on the various traumatic lesions of deciduous teeth and the therapeutical measures. The latter aim at retaining every traumatized tooth, if possible, in order not to disturb the growth of the jaws. A study by the authors on 116 recently traumatized deciduous teeth showed that almost half of the teeth could be retained.

Child↗
PubMedDate not supplied

Conservative treatment of severely luxated maxillary primary central incisors: case report.

The treatment and follow-up evaluation of two orally luxated maxillary primary central incisors in a three-year-old girl is described. The injured teeth were displaced into a cross-bite with their mandibular opposing teeth. They were repositioned shortly after the injury and splinted with composite resin for two weeks. Oral hygiene instructions and antibiotic therapy were prescribed. Two weeks after the injury a necrotic pulp was removed and the root canals filled with a resorbable paste. Thirty months after the injury, the teeth and the surrounding tissues were clinically and radiographically asymptomatic and physiologic root resorption could be noted. The permanent successors erupted soon after natural exfoliation of the injured primary teeth. Only mild hypocalcified defects were observed on the permanent incisors.

Acute Disease↗