Unilateral and bilateral dental transpositions in the maxilla-dental and skeletal findings in 63 individuals

European Archives of Paediatric Dentistry : Official Journal of the European Academy of Paediatric Dentistry
J C DanielsenI Kjær

Abstract

This was to elucidate dental and skeletal findings in individuals with unilateral and bilateral maxillary dental transpositions. The sample comprised of radiographic materials from 63 individuals with maxillary dental transpositions from the Departments of Odontology at the Universities of Copenhagen and Aarhus and by the Danish municipal orthodontic service. The cases were divided into three groups: unilateral transposition of the canine and first premolar (Type 1U), bilateral transposition of canine and first premolar (Type 1B), and unilateral transposition of canine and lateral incisor (Type 2). The dentitions were analysed regarding agenesis and dental morphological anomalies on panoramic radiographs, and craniofacial aspects were cephalometrically analysed on profile images The results were statistically evaluated. All groups demonstrated increased occurrences of agenesis (Type 1U and Type 1B: 31 agenesis in 15 patients; and Type 2 three agenesis in three patients). Taurodontic root morphology was most dominant in Type 1U. Peg-shaped lateral incisors showed an increased occurrence, though not in Type 1U. Skeletally, Type 1B and Type 1U demonstrated maxillary retrognathia (more pronounced in Type 1B). Type 2 showed a signif...Continue Reading

References

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Citations

Aug 3, 2017·European Archives of Paediatric Dentistry : Official Journal of the European Academy of Paediatric Dentistry·K P Arvedsen, I Kjær

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