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Results for “Tooth, Supernumerary”

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At least 1,135 records · Page 63Linked to original sources
PubMed1989

Premaxillary hyperdontia in medieval Norwegians: a radiographic study.

An excavation of a part of the graveyard of St Olav's church, Trondheim, Norway, uncovered 389 tombs from the medieval period (1100-1600). Radiographic examination of 140 skulls with an intact premaxilla revealed hyperdontia in the form of a mesiodens in two (1.4%) cases. This is within the same range as similar medieval and present Nordic populations. Change in functional pattern does not seem to influence the prevalence.

Adolescent↗
PubMed1995

Facial dimple with accessory bone and teeth.

Accessory jaws (distomus), with or without teeth, rarely occur. This condition has been observed most commonly in association with lateral facial clefts. A case of a 6-year-old child with a unilateral facial dimple which is interpreted as a putative vestige of a lateral facial cleft and accessory maxilla is reported. Possible aetiology is addressed and previous cases are reviewed.

Child↗
PubMed2004

An oral choristoma in a foal resembling hairy polyp in humans.

A neonatal foal was presented with a 6.5-cm pedunculated mass arising from the upper deciduous incisors. The distal end was soft and covered by haired skin, whereas the proximal end was firm, covered with mucosal epithelium, and at the point of transection contained a fully developed tooth. Microscopically, the mass was covered by epidermis and mucosal epithelium and the remaining portion of the mass consisted of mature collagen, nonneoplastic fat and smooth muscle, and a single tooth within a bony socket. The mass is consistent with an oral choristoma and has features similar to those described for hairy polyp in humans.

Animals↗
PubMed1978

Prosthodontic therapy for cleidocranial dysostosis: report of case.

Objectives of treatment of the oral manifestations of cleidocranial dysostosis should include restoring the vertical dimension of occlusion, building out the maxilla, establishing of functional occlusion, improving appearance and phonation, and improving the patient's mental well-being.

Adolescent↗
PubMed1979

Surgical-orthodontic management of an unerupted maxillary incisor.

Satisfactory functional and esthetic results were attained, with proper consideration of surgical, periodontal, and orthodontic principles in the treatment of a patient with an unerupted maxillary central incisor. Gingival attachment was maintained and integrity of the dental arch was restored.

Adolescent↗
PubMed1979

Triple mesiodentes.

An unusual case of three mesiodentes has been reported. The mesiodentes resulted in the impaction of the left central incisor.

Adult↗
PubMedDate not supplied

Short stature and low IGF-1 and IGFBP-3 despite normal growth hormone secretion in a 4 year-old girl with primary empty sella syndrome.

A 4.1 year-old girl presented with short stature, cleft lip and additional upper incisor. Magnetic resonance imaging showed an empty sella due to a hypoplastic anterior pituitary. IGF-I and IGFBP-3 were at and below the 1st percentile, respectively. In contrast, normal spontaneous growth hormone (GH) secretion (5.5-h nocturnal sampling) was observed and pharmacological provocation raised (GH to levels between 15.4 and 53 micrograms/l. GH-binding protein levels were normal (210 pM). GH therapy led to an increase of growth velocity from 4.5 to 10.8 cm/year and a normalization of IGF-I and IGFBP-3 levels. The findings may imply an abnormal GH secretion pattern or a bioinactive GH in our patient. The data indicate that measurements of IGF-1 and IGFBP-3 may be a more sensitive test for integrative GH activity than GH testing itself.

Body Height↗
PubMed2005

Early assessment of dental arch development in repaired unilateral cleft lip and unilateral cleft lip and palate versus controls.

OBJECTIVE: To evaluate dental arch relationships and dimensions, relative to an age matched noncleft sample, in Caucasian 3-year-old children with repaired unilateral cleft lip (UCL) or unilateral cleft lip and palate (UCLP). DESIGN: Prospective, cross-sectional, case-control study performed in Scotland, U.K. PARTICIPANTS: Eleven children with repaired unilateral cleft lip, 16 children with repaired unilateral cleft lip and palate, and 78 children as controls. MAIN OUTCOME MEASURES: Dental arch relationships and linear arch dimensions. RESULTS: Prevalence of Class III incisor relationship was 31.3% in children with unilateral cleft lip and palate compared with 9.1% in children with unilateral cleft lip. A buccal crossbite was present in 36% of children with unilateral cleft lip, compared with 75.6% of children with unilateral cleft lip and palate.Mean linear maxillary arch dimensions did not differ significantly between children with unilateral cleft lip and the controls. Except for second intermolar width, statistically significant differences existed in mean linear maxillary arch dimensions between the unilateral cleft lip and the unilateral cleft lip and palate groups; the mean linear maxillary arch dimensions were significantly greater in the control group than in the unilateral cleft lip and palate group. The mean cleft-affected anterior quadrant length appeared to be the arch dimension with the greatest power of discrimination among the three groups. There were no significant differences in mean linear mandibular arch dimensions among the three groups. CONCLUSIONS: Anterior crossbite was almost three times more common in the unilateral cleft lip and palate group than in the unilateral cleft lip group. Mean linear maxillary arch dimensions differed significantly between the unilateral cleft lip and palate group and the control group. There were no significant differences in mean linear maxillary arch dimensions between unilateral cleft lip and controls or between mean linear mandibular arch dimensions for unilateral cleft lip, unilateral cleft lip and palate, and controls.

Analysis of Variance↗
PubMed2005

Dental development of the permanent lateral incisor in patients with incomplete and complete unilateral cleft lip.

OBJECTIVE: This study aimed to evaluate a possible delay in root development of the permanent lateral incisor on the cleft side compared with its contralateral tooth in patients with incomplete and complete unilateral cleft lip. DESIGN: Retrospective. SETTING: Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo (HRAC/USP), Bauru, São Paulo, Brazil. PATIENTS: A sample of 95 panoramic radiographs of patients with incomplete and complete unilateral cleft was obtained from the files of HRAC/USP. The patients were both boys and girls of various races, aged 5 to 11 years, and did not have any syndrome or associated congenital malformation. The sample was divided into three groups according to the severity of the cleft lip. MAIN OUTCOME MEASURE: Radiographs were analyzed to compare root development stage of the lateral incisor on the cleft side with the noncleft side according to the classification of Nolla. RESULTS: The mean delay in root development of the permanent lateral incisor on the cleft side ranged from 0.5 to 1.6 scores for all three groups investigated. CONCLUSIONS: Root development of the permanent lateral incisor on the cleft side was delayed compared with the noncleft side.

Anodontia↗
PubMed1998

Distribution patterns of primary and permanent dentition in children with unilateral complete cleft lip and palate.

OBJECTIVE: To investigate the distribution patterns of primary and permanent teeth in the cleft area and the numerical variation in teeth in unilateral complete cleft lip and palate (UCLP) patients. DESIGN: A survey of the dentition in UCLP patients. SETTING: Craniofacial Center, Chang Gung Memorial Hospital, Taipei, Taiwan. PATIENTS: 137 UCLP patients who met the following criteria: (1) have had at least one panoramic film taken, (2) the first panoramic film illustrates either primary or early mixed dentition. Evaluation of both permanent and primary dentition was available in 91 cases. MAIN OUTCOME MEASURES: Two evaluators performed independent evaluations of number and distribution of teeth in UCLP patients. The hypothesis that there are two odontogenic origins for maxillary lateral incisors was proposed to explain the occurrence of distribution patterns of dentition in the cleft area and to explain differences between primary and permanent dentition in UCLP patients. RESULTS: Four distribution patterns in the cleft area were identified in both the primary and the permanent dentition. In the primary dentition, placement of the lateral incisor distal to the alveolar cleft was the predominant pattern (pattern y, 82.4%), followed by absence of the cleft side maxillary lateral incisor (pattern ab, 9.9%), presence of one tooth on each side of the alveolar cleft (pattern xy, 5.5%), and placement of the lateral incisor mesial to the alveolar cleft (pattern x, 2.2%). In the permanent dentition, the most common pattern was the absence of the maxillary lateral incisor on the cleft side (pattern AB, 51.8%), followed by lateral incisor placement distal to the alveolar cleft (pattern Y, 46%), lateral incisor placement mesial to the alveolar cleft (pattern X, 1.5%) and the presence of one tooth on each side of the alveolar cleft (pattern XY, 0.7%). The discrepancy between the distribution patterns of primary dentition and permanent dentition successors is 57.1%. Variations in tooth number in both primary and permanent dentition of UCLP patients occurred most often in the cleft area. Abnormalities in the number of teeth (hypodontia or hyperdontia) outside the cleft area were more common in the permanent dentition than in the primary dentition (24.1% versus 4.4%). CONCLUSIONS: Four distribution patterns in the cleft area were identified in both sets of dentition. Our findings of distribution patterns in UCLP patients support the hypothesis that there may be two odontogenic origins for maxillary lateral incisors. Clinicians involved in managing the dentition of UCLP patients should consider the high frequency of numerical variation both in and outside the cleft area before starting dental treatment.

Anodontia↗