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PubMedDate not supplied

[Total luxation].

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Child↗
PubMedDate not supplied

[Orthodontic effects of tooth injury to the permanent and temporary incisors of children and the adolescent [corrected].

Traumatisms on the deciduous upper incisors could induce orthodontic indirect consequences on the permanent germ, dependent on his growth level and his malleability, dependent on connection between the root of deciduous incisor and the crown of permanent germ and according to the type of traumatism. According to those various data, it should be observed on the permanent incisor: germination of two germs, multiple odontoma, crown dilaceration, severe tipping of the crown with facial angulation, retention of the permanent germ with lack of root resorption of the deciduous teeth or simple cross-bite, without speaking of enamel defect.

Child↗
PubMed1990

[Complete luxation of the upper incisor. Analysis of the mid-term results. Treatment of sequelae].

The study involved 18 children aged 7 to 13 years, who all benefited from early reimplantation and appropriate immobilisation. Radicular treatment appeared to have little influence and adverse results, especially early rhizalysis, were common (50% versus 30% of good results). In the event of failure, dento-facial orthopedic treatment, where indicated, may provide a cosmetically acceptable solution.

Adolescent↗
PubMed1990

Traumatic injuries of anterior teeth in first year secondary school children in Benin-City, Nigeria.

As part of a larger epidemiological survey, children in the first year class of two secondary schools in Benin-City, Nigeria were examined and found to have a very high prevalence (19.06%) of traumatic injury to anterior teeth. The male to female ratio was 1.6:1. The most frequent injury was loss of enamel only followed by loss of enamel and dentine; and the injury was more common in the maxilla than in the mandible.

Adolescent↗
PubMed1990

[A clinical study of traumatic injuries to deciduous teeth. (3). The influence on their permanent successors].

To study the influence of traumatic injuries to deciduous teeth on their permanent successors, we investigated 126 traumatized deciduous incisors of 66 children who had visited our clinic regularly after traumatic injuries, and whose permanent successors had erupted. The results are summarized as follows. 1) Some developmental disturbances on permanent successors, such as concerning their eruption, or crowns, roots and pulp, were found in 72 teeth. Among these, influences on crown formation and calcification were most often found, and white discoloration in the enamel was recorded in 55 teeth, yellow discoloration in 4 teeth and hypoplasia in 11 teeth. 2) One successor erupted one and a half years after the eruption of its opposite, and two teeth erupted in torsiversion. Three successors had root angulation, while arrest of root formation was found in one tooth. Pulp canal obliteration appeared in two teeth before their eruption. 3) Developmental disturbances of the crowns tended to be more severe and had a higher ratio when traumatic injuries occurred at a younger age. The range of the ages of the children at the time of injury was limited in cases of hypoplasia and yellow discoloration. 4) According to the diagnoses at the first visit, the severity of periodontal injury and the dislocational directions of deciduous incisors might relate to the disturbances of crown formation and calcification of successors. 5) According to the type of treatment, enamel hypoplasia was observed more frequently in the observation group and the extraction group. Yellow and relatively large white discolorations were found more frequently in the reposition group than in the fixation group. 6) In the endodontic therapy group, only relatively small white discolorations were found, but white discoloration was observed more frequently in the extraction after endodontic therapy group than in the extraction without endodontic therapy group after first visit. 7) White discoloration in the enamel was most often located in the both upper and lower teeth at the incisal third position on the labial surface.

Child↗
PubMed1990

Problems associated with the diagnosis and treatment of endodontic disease.

The diagnosis of endodontic lesions in animal dentistry is complicated and restricted by the use of objective diagnostic procedures. Human endodontics uses subjective symptoms to a large degree, as well as objective symptoms. Subjective symptoms include patient pain; sensitivity to hot or cold; percussion; and foul taste or odor. Veterinary dentists must receive input from clients, as well as using their own clinical and radiographic evaluation. Many endodontic lesions remain undetected because the client fails to notice broken or discolored teeth, facial swelling, drooling, difficulty in chewing, chewing only on one side, and general malaise. An increased awareness of the endodontic problems that can occur in animals increases the level of veterinary care. Numerous techniques, including apexogenesis, apexification, direct and indirect pulp capping, and conventional and surgical endodontic therapy, can be used to treat various endodontic problems successfully.

Animals↗
PubMed1990

[Pulpectomy. Why? When?].

There are many circumstances under which the condition of the pulp calls for root canal work, due to the real or potential risk of pain, infection, inflammation or functional difficulties (acute, irreversible pulpitis, chronic pulpitic conditions, necrosis and its consequences, etc.). Other circumstances exist in which injury to the pulp is not necessarily irreversible: initial pulpitis, iatrogenic fracture of the pulp, traumatisms, dystrophic deteriorations. The high success rate for endodontic therapy could argue for elimination of impaired or necrose-prone pulp. In fact, however, unsuccessful pulpectomies often lead to loss of the dental organ and successful endodontic treatment severely weakens the whole tooth structure and often implies prosthetic restoration, with the consequent increase in tissular loss. In order to preserve pulp and crown tissues, pulpal vitality should be protected in all cases where such conservative efforts do not worsen the prognosis for maintaining the tooth on its arch or jeopardize a planned restoration. Solutions are presented for various types of situations, according to the risks encountered.

Contraindications↗
PubMedDate not supplied

[Splinting of traumatized anterior teeth using the nylon-resin technic].

In this paper the nylon-resin technique is proposed as the idoneous fixing technique of dentary displacement treatment and/or radicle fracture due to dentoalveolar traumatisms, of high incidence in children. In order to probe the effectiveness and advantages of this technique a comparative study against the wire-resin technique was done. The fixing time proposed for both procedures was 14 days. The techniques were applied in the same number of patients indistinctly in age, sex, affected teeth, and type of lesion. After evaluation we observed that the proposed technique is superior in several aspects: fulfils with the requirements of an ideal ferule, is aesthetic, easier to elaborate, more resistant, more compatible with tissues, and because of their semirigidity, more functional.

Adolescent↗
PubMed1990

[Root fractures and tooth luxations. 1].

Root fractures and subluxation of teeth often play only a minor role in the discussion of the therapy of traumatic tooth defects. This contribution discusses possible therapeutic approaches as well as prognosis and long-term results in cases of tooth root fractures and partially dislocated teeth. The primary aim of the therapy is to avoid further damage to the developing teeth of the first set, and to keep the permanent teeth in a proper condition for the maximum time possible.

Humans↗
PubMedDate not supplied

Occurrence of primary incisor traumatism in Brazilian children: a house-by-house survey.

This paper presents the results of a house-by-house survey to learn the occurrence of dental injury to the primary teeth in Brazilian children from ten to seventy-two months of age. The study sample comprised 576 children, 295 boys and 281 girls living on sixty-six streets selected in an urban area (Bauru) in the state of Sao Paul, Brazil. There were 174 children (30.2 percent) with positive reports of injuries to the primary teeth. The results show the need of an educational program in order to prevent the occurrence of dental trauma.

Brazil↗