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Mandibular erosion from silastic implants: evaluation with a dental CT software program

J J Abrahams1, C Caceres

  • 1Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, CT 06520, USA.

AJNR. American Journal of Neuroradiology
|April 16, 1998
PubMed
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Silastic chin implants can cause bone erosion. Dental CT reformatting helps assess these changes and their relationship to tooth roots and nerves, aiding in complication management.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Radiology
  • Biomaterials Science

Background:

  • Silastic implants are used for chin augmentation in cosmetic surgery.
  • These implants can lead to complications such as erosive bone changes.

Purpose of the Study:

  • To describe the radiologic appearance of bone changes associated with Silastic chin implants.
  • To evaluate the utility of dental CT reformatting programs in assessing these changes.

Main Methods:

  • Retrospective evaluation of multiplanar CT scans from four patients with Silastic chin implants.
  • Assessment included implant density, bone defect characteristics, and spatial relationships to anatomical structures.
  • Dental CT software was used for detailed analysis.

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Main Results:

  • Radiologic findings demonstrated erosive bone changes around the Silastic implants.
  • Dental CT reformatting effectively delineated the extent and characteristics of bone defects.
  • The relationship of defects to root apices and the mental foramen was clearly visualized.

Conclusions:

  • Silastic chin implants can cause significant bone erosion.
  • Dental CT reformatting is a valuable tool for assessing implant-related bone changes.
  • This imaging technique aids in understanding complications and guiding treatment.