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Related Experiment Videos

Soft tissue response to anterior maxillary osteotomy.

A F Ayoub1, Y A Mostafa, S el-Mofty

  • 1Department of Oral Surgery, Faculty of Oral and Dental Medicine, Cairo University.

The International Journal of Adult Orthodontics and Orthognathic Surgery
|January 1, 1991
PubMed
Summary

Maxillary intrusion in adults significantly reduces lip protrusion and the gap between lips, improving lip closure. Soft tissue profile changes were assessed using cephalograms and Holdaway

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Area of Science:

  • Orthodontics
  • Dentofacial Orthopedics
  • Cephalometric Analysis

Background:

  • Anterior maxillary intrusion is an orthodontic procedure used to correct vertical discrepancies.
  • Understanding soft tissue profile changes is crucial for predicting aesthetic outcomes.
  • Limited data exists on the specific soft tissue adaptations following anterior maxillary intrusion in adults.

Purpose of the Study:

  • To evaluate the adaptation of the soft tissue profile after anterior maxillary intrusion.
  • To assess changes in lip protrusion and interlabial gap post-treatment.

Main Methods:

  • Retrospective cephalometric analysis of ten adult patients.
  • Preoperative and 6-month postoperative lateral cephalograms were compared.
  • Holdaway's soft tissue analysis method was employed for profile evaluation.

Main Results:

  • Significant reduction in lip protrusion was observed postoperatively.
  • A significant decrease in the interlabial gap was noted.
  • Acceptable lip competency was achieved in the majority of patients.

Conclusions:

  • Anterior maxillary intrusion leads to favorable soft tissue profile changes in adults.
  • Reduced lip protrusion and interlabial distance contribute to improved lip competence.
  • Other contributing factors should be considered for optimal soft tissue results.

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