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Results for “Tooth Eruption”

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PubMedDate not supplied

Prenatal factors and tooth eruption in children with oral clefts.

The timing of eruption for primary central incisors was studied in seventy-six children with oral clefts. The eruption timing was found to be very close to that of healthy children, and only weak correlations were found between prenatal factors and eruption times of first primary teeth.

Adolescent↗
PubMed1984

[Tooth eruption and alveolar cicatrization].

The aim of this study is to display the repairing mechanisms to happen when the gingival epithelium is hurt by dental eruption or extraction. The experimentation has been managed on rats, using scanning electronic microscopy.

Alveolar Process↗
PubMed1994

Extraoral tooth eruption and transposition of teeth following trauma.

A six-year-old boy presented with extraoral eruption of a mandibular permanent canine and a loosely attached lateral incisor in the labial vestibule, 3 months following trauma to the chin. The trauma not only caused displacement of the permanent tooth buds, but also resulted in transposition of the lateral incisor and canine with subsequent ectopic eruption. The case is presented to demonstrate one of the infrequent complications of trauma involving the unerupted tooth buds of permanent teeth and its unusual clinical presentation.

Child↗
PubMed1981

Responses of tooth eruption and alveolar bone subject to somatic growth retardation in the rat.

The morphogenesis and regression of the osteodental fissure formed by alveolar bone in the maxillary and mandibular regions has been investigated in relation to eruption of the dentition during and following a period of somatic retardation stemming from nutritional suppression. Fissural formation occurred above the first and second molars of the maxilla and mandible, morphologically within normal limits but retarded by two days. During eruption a sequence of cuspal perforations of the alveolar bone took place behind the edge of the alveolar crest which later disintegrated as the bulk of the crown moved upwards. The appearance of the specific cusps of the experimental animals was two days behind that of the controls. Eruption through the oral mucosa was fairly rapid and the deficit noted in the bone emergence phase was reduced to one day. As in control animals, fissural formation did not occur over the third molars which were totally encapsulated by bone. Eruption of third molars in experimental animals was similar to control observations- no difference in timing and the removal of the encapsulating bone being achieved by the rapid enlarging of a wedge-shaped area at the mesio-occlusal aspect. Observation of eruption through alveolar bone is regarded as a more accurate assessment of changes in the early phases.

Alveolar Process↗
PubMed1984

Clinical perspectives on premature tooth eruption and cyst formation in neonates.

Premature eruption of teeth occurs in 1 of every 2,000 births. The reported association between natal teeth and serious, rare, inherited syndromes suggests that particular caution should be exercised in examination of newborns having prematurely erupted teeth. The ectomesenchyma, from which the orofacial structures develop, undergoes a complex, coordinated series of steps of proliferation and differentiation during the first two months in utero. At approximately seven weeks the presumptive mandibular and maxillary arches show a bandlike ectodermal thickening called the dental lamina. Odontogenesis (tooth development) begins with budding of the dental lamina and continues into the second week of life. Remnants of odontogenic epithelium or of epithelium covering the embryonic facial processes may develop into cystic structures, causing intraoral swellings on the alveolar ridges or palate (i.e., Bohn's nodules and Epstein's pearls). Prematurely erupted natal and neonatal teeth are generally normal deciduous incisors. Hypermobility of these teeth, resulting from poorly formed roots, may stabilize within a short period of time. Extraction of natal and neonatal teeth should not be done precipitously.

Animals↗
PubMedDate not supplied

Tooth eruption in failure-to-thrive infants.

The purpose of this study was to determine whether differences existed between the numbers of erupted teeth of infants who were failing to thrive and their controls. The results suggest a relationship does exist.

Age Factors↗