A Family Case Report: Disturbances in Tooth form and Eruption of the Second Premolar

Author:

Symons Anne L.1,Taverne Aart A.R.2

Affiliation:

1. Senior Lecturer in Operative Dentistry, Department of Dentistry , The University of Queensland , Turbot Street, Brisbane, Qld. 4000 , Australia

2. Senior Lecturer in Orthodontics, Department of Dentistry , The University of Queensland , Turbot Street, Brisbane, Qld. 4000 , Australia

Abstract

Abstract This report describes a family who demonstrated anomalies of tooth form and eruption of the lower second premolar. Observation of the second premolars remaining in the mother’s and father’s dentitions included ectopic eruption with impaction and substantial spacing between the first and second premolars. Four siblings were also examined - three boys aged 15, 14 and 12 years, and one girl aged 11 years. Anomalies of the second premolar recorded in the males and female include: congenital absence, ectopic eruption with impaction, delayed eruption and spacing. Associated anomalies included: congenital absence of other permanent teeth and spacing. It appears that the defect in tooth form and eruption is of a genetic origin, affecting both males and females. The condition(s) did not appear to be associated with a syndrome and the human papilloma virus lesions noted in all family members were not considered to be related to the dental defects. This family demonstrated two anomalies of the lower second premolar: congenital absence and disturbance in tooth eruption. The question raised by this case report is whether these two anomalies are inherited as separate traits or whether failure of tooth eruption is a variation in expression of the same geuetic factor that results in oligodontia.

Publisher

Walter de Gruyter GmbH

Reference17 articles.

1. Symons AL, Stritzel F, Stamatiou J. Anomalies associated with hypodontia of the lateral incisor and second premolar. J Clin Pediatr Dent 1993; 17:109-111.

2. Stritzel F, Symons AL, Gage JP. Agenesis of the second premolar in males and females: Distribution, number and sites affected. J Clin Pediat Dent 1990; 15:39-41.

3. Stamatiou J, Symons AL. Agenesis of the lateral incisor, in males and females: distribution, number and sites affected. J. Clin Pediatr Dent 1991; 15:244-246.

4. Williams SA, Ogden AR. Failure of eruption associated with anomalies of the dentition in siblings. Pediatric Dent 1988; 10:130-136.

5. Stewart RE, Barber TK, Troutman KC, Wei SHY. Pediatric Dentistry, Scientific Foundation is and clinical practice. St. Louis, CV Mosby Co., 1982; 87-109.

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