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Localising maxillary canines using dental panoramic tomography

N A Fox1, G A Fletcher, K Horner

  • 1Department of Oral Health and Development, University Dental Hospital, Manchester.

British Dental Journal
|December 9, 1995
PubMed
Summary
This summary is machine-generated.

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Dental panoramic tomograms (DPT) can help locate impacted maxillary canines, with an 80% accuracy for palatal displacement. While not sufficient alone, DPTs aid early detection when combined with clinical findings, improving canine impaction management.

Area of Science:

  • Dentistry
  • Oral and Maxillofacial Radiology

Background:

  • Impacted maxillary canines affect approximately 2% of the population.
  • Late detection of palatal canines can lead to treatment complications and potential medicolegal issues for dental practitioners.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of dental panoramic tomograms (DPT) for localizing palatally displaced ectopic maxillary canines.
  • To compare DPT findings with the vertex occlusal (VO) view as the gold standard for canine localization.

Main Methods:

  • Retrospective analysis of 100 pairs of radiographs, including 139 cases of ectopic canines.
  • Assessment of the DPT's ability to predict the bucco-palatal position of impacted canines based on image magnification/diminution principles.

Main Results:

Related Experiment Videos

  • Dental panoramic tomograms accurately predicted the palatal position of impacted canine crowns in approximately 80% of examined cases.
  • The DPT demonstrated potential for bucco-palatal localization due to differential magnification effects.

Conclusions:

  • Dental panoramic tomograms are a valuable tool for initial screening and suggesting the position of palatally impacted canines.
  • While DPTs alone are insufficient for definitive localization, their interpretation in conjunction with clinical examination can prompt further, more specific radiographic investigations for earlier diagnosis and management.