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Results for “Tooth Exfoliation”

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At least 19 recordsLinked to original sources
PubMed1992

Maxillary osteomyelitis and spontaneous tooth exfoliation after herpes zoster.

Reports of spontaneous tooth exfoliation and osteonecrosis trigeminal herpes zoster are extremely rare and have been sporadic. This article reports a pertinent case of a 50-year-old man who exhibited prodromal odontalgia before the appearance of vesicular mucocutaneous lesions, together with severe destruction of the maxillary bone and exfoliation of multiple teeth. This patient was successfully treated using a unique closed nasal-vestibular drainage system for the ultimate control of maxillary bone viability. A review and analysis of the clinical aspects and the pathogenesis of herpes zoster and bone necrosis are discussed.

Cranial Nerve Diseases↗
PubMed1976

[Light microscopic presentation of the morphological behavior of the nerves of deciduous teeth during tooth exfoliation deciduous and after loss of the dentition].

Structural changes in the nerve can hardly be demonstrated in nerve sections located intradentally, i.e. away from the area of tooth resorption. pseudohypersegmentation, however, is found intradentally in nerve sections of the radical pulp close to the resorption area. Serious lesions of the nervous substance are found extradentally, in the direct neighborhood of the erupting permanent tooth. If the deciduous tooth was lost more than 12 months ago, intraosseously the final stage of physiological degeneration is reached.

Child↗
PubMed1992

Iatrogenic exfoliation of a tooth following abuse of a rubber dam: a case report.

This report presents a case in which tooth exfoliation followed rubber dam abuse. A 40-year-old patient was referred to the prosthodontic clinic with complaints of mobility and discomfort in tooth 44, which had received an amalgam restoration. While this tooth was scaled, a piece of rubber dam appeared in the buccal sulcus. Removal of the rubber piece was followed by thorough scaling and tooth splinting. Tooth deterioration continued, and concern for the adjacent teeth necessitated extraction of tooth 44. To avoid such undesirable consequences, the integrity of the dam should be verified on its removal.

Adult↗
PubMed1992

Patterns and plasticity of dental afferent inputs to trigeminal (V) brainstem neurons in kittens.

In the young cat, the natural replacement of deciduous teeth with a permanent dentition may be accompanied by extensive peripheral nerve degeneration and reinnervation. Since we have previously reported significant physiological effects of tooth pulp deafferentation on V brainstem neurons, we wished to determine if deafferentation associated with deciduous tooth exfoliation was accompanied by comparable neuroplastic changes in the brainstem of kittens. We have examined the pulpal afferent terminating pattern within the brainstem as well as the electrophysiological properties of V brainstem neurons during this naturally occurring deafferentation phenomenon. The pattern of the HRP-labelled terminals in different parts of V brainstem subnuclei in kittens was similar to that in adult cats. The highest density of labelled terminals was found in the subnucleus oralis. The properties of subnucleus oralis neurons also showed many similarities between kittens at age of 3-4 months old and adult cats, e.g., (1) in the proportions of neurons activated by tactile stimulation of 1-4 teeth (mandibular and maxillary canines and premolars), (2) the ratio of neurons showing fast adapting or slow adapting responses to dental tactile stimulation, (3) the proportions of neurons activated by electrical pulp stimulation of 1-4 teeth, and (4) the minimal latencies of pulp-evoked responses. However, the incidences of pulpal inputs as well as the convergent pattern to oralis neurons of afferent inputs evoked by periodontal stimulation and electrical pulpal stimulation were less common in kittens than adult cats.

Aging↗
PubMed1976

Dental complications of cytotoxic therapy in Hodgkin's disease--a case report.

A case of trigeminal zoster in a patient with disseminated Hodgkin's disease is described. Although one case of maxillary tooth loss in a comparable patient has previously been recorded, this is the first report of mandibular tooth loss. The aetiological significance of Beomycin and I-(2-chloroethyl)-3-cyclohexyl-I-nitrosourea (C.C.N.U.) is discussed and an hypothesis for post-zoster tooth exfoliation is suggested.

Adult↗
PubMed1990

Case report: A.J. Premolar autotransplantation--eight years later.

Congenitally missing premolars often present a diagnostic concern to the orthodontist. Arch crowding, facial profile and the existing malocclusion must be evaluated to diagnose and establish treatment objectives and a treatment plan. When premolars are missing bilaterally in the arches, diagnosis and treatment mechanics can often be straightforward. The choices are (1) to close all spaces so that natural teeth contact each other or (2) to maintain the primary tooth in the missing tooth area with the possibility that a replacement tooth might be needed once the primary tooth exfoliates. The compromises of maintaining the primary tooth can include the periodontal and occlusal concerns due to the size and shape of the crown and root both occlusal-gingivally and mesio-distally.

Adolescent↗
PubMed1991

[Dysostosis cleidocranialis--a case report].

An 18-year female patient with dysostosis cleidocranialis, treated for dental anomalies characteristic of her basic disease since the age of 12, is described. Delayed resorption of deciduous teeth and eruption of permanent teeth were recorded. At the age of 12, the patient had still had all deciduous teeth, with the exception of lower incisors and right upper mesial incisor. The presence of 11 succedaneous teeth, 7 in the maxilla and 4 in the mandible, had been recorded by X-ray. The treatment performed step by step is presented. Firstly, deciduous teeth were extracted, and a prosthesis for both the maxilla and mandible were constructed to stimulate eruption of permanent teeth. All supernumerary teeth from the jaws were also surgically removed. After the permanent tooth eruption had been accomplished, orthodontic treatment of these teeth was required and it has still been successfully performed. Thus, a conclusion is made that the treatment of dental anomalies should start at the time of normally expected deciduous tooth exfoliation.

Adolescent↗
PubMed1991

Supraeruption of the unopposed maxillary first molar.

Supraeruption of the maxillary first molar in the absence of the mandibular first molar was observed in subjects with both normal and pathologic periodontics. Both the migration of the gingival margin and the increase in the crown height were evaluated in terms of the length of time the antagonist tooth had been missing. Values obtained were compared with those of a reference group with complete normal dentitions. The results show that in the first years following the loss of the opposing tooth, supraeruption is mainly due to growth of the periodontium. Later or in the case of periodontal pathosis, tooth movement beyond the occlusal plane is due principally to active eruption.

Adolescent↗