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Results for “Tooth, Supernumerary”

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At least 325 records · Page 18Linked to original sources
PubMed2004

Tooth size in patients with supernumerary teeth and a control group measured by image analysis system.

OBJECTIVE: The aim of this study was to compare tooth size measurements between patients with supernumerary teeth and a control group. METHOD: The supernumerary group consisted of 56 subjects (21 females and 35 males) and the control group of 40 subjects (20 females and 20 males). All available permanent teeth on the dental casts were imaged and measured from both buccal and occlusal views using an image analysis system. Mesio-distal, bucco-lingual or occluso-gingival dimensions, area and perimeter were measured from each view. RESULTS: Supernumerary tooth patients tended to have larger tooth size measurements for almost all variables than controls. Significant differences (p<0.05) were found for the mesio-distal dimension of the upper and lower incisors and the bucco-lingual dimensions of the lower first premolars. CONCLUSIONS: The results are compatible with supernumerary teeth being a complex dental anomaly with a multifactorial aetiology in which both genetic and environmental factors are important. There is some evidence of a local effect with greater differences in tooth dimension adjacent to the site of the supernumeraries.

Adolescent↗
PubMed1991

Limitations of the panoramic radiograph's focal trough: a case report.

This report of a 10-year-old boy illustrates the limitations of the focal trough in panoramic radiography. Because of the patient's large overjet, a supernumerary upper incisor tooth was not visible on a panoramic radiograph. The positioning of the patient within the panoramic machine is critical in obtaining the best possible detail from the radiograph, particularly where there are variations in the anterior occlusal relationship.

Child↗
PubMed2006

Natal teeth: a review.

The incidence of natal teeth is approximately 1:2,000 to 1:3,000 live births. The most commonly affected teeth are the lower primary central incisors. Natal teeth usually occur in pairs. The eruption of more than two natal teeth is rare. The majority of natal teeth represent the early eruption of normal primary deciduous dentition. Less than 10% of natal teeth are supernumerary. Natal teeth might resemble normal primary dentition in size and shape; however, the teeth are often smaller, conical and yellowish, and have hypoplastic enamel and dentin with poor or absent root formation. Complications include discomfort during suckling, sublingual ulceration, laceration of the mother's breasts and aspiration of the teeth. A dental roentgenogram is indicated to differentiate the premature eruption of a primary tooth from a supernumerary tooth. Tooth extraction is indicated if the tooth is supernumerary or excessively mobile. If the tooth does not interfere with breastfeeding and is otherwise asymptomatic, no treatment is necessary.

Humans↗
PubMed1976

[Mixed teeth--a case report and an alternative treatment].

A case of "double" lower incisor is described. The patient also had a supernumerary lower incisor and was treated by removal of the abnormal incisor and transplantation of the supernumerary incisor. The transplanted tooth has normal mobility and healthy gingival tissue 6 1/2 months after the transplantation.

Child↗
PubMed2003

Supernumerary fourth and fifth molars: a report of two cases.

Panoramic radiographs of two female patients ages 22 and 21 revealed the presence of two impacted bilateral upper fourth molars and unilateral (right) upper fourth and fifth molars. All of the teeth were distomolars. The supernumerary teeth had normal tooth morphology with regard to their crowns and roots but were slightly smaller than the existing third molars. Their crowns were either two or three tuberculated and they all had single roots.

Adult↗
PubMed1993

Supernumerary teeth removal and orthodontic tooth repositioning: a case report.

A case is presented of a 12-year-old, black male, who had a full permanent dentition except for retaining the two maxillary primary central incisors. A radiographic examination revealed the presence of two supernumerary teeth interfering with the eruption of the permanent central incisors. Space was orthodontically created for the permanent central incisors, the primary central incisors and supernumerary teeth were removed, and the permanent central incisors were orthodontically brought into proper alignment.

Child↗