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Long term stability following genioplasty: a cephalometric study.
B Lakshman Kumar1, G Kranthi Praveen Raju2, N Dilip Kumar3
1Reader, Department of Orthodontics, G. Pullareddy Dental College, Kurnool, Andhra Pradesh, India.
Journal of International Oral Health : JIOH
|May 9, 2015
Summary
Genioplasty is a stable surgical procedure for correcting a receding chin. Long-term assessment shows minimal relapse due to bone remodeling, not surgical instability, confirming predictable results.
Area of Science:
- Plastic Surgery
- Orthognathic Surgery
- Facial Aesthetics
Background:
- Receding chin (mandibular deficiency) is common and impacts facial harmony.
- Genioplasty is a surgical solution to reposition the chin.
- Long-term stability of genioplasty outcomes requires evaluation.
Purpose of the Study:
- To assess the long-term hard and soft tissue stability following genioplasty.
- To evaluate the predictability of vertical reduction and advancement genioplasty.
Main Methods:
- Retrospective analysis of 15 patients undergoing vertical reduction augmentation genioplasty.
- Comparison of pre-surgical, post-surgical, and long-term post-surgical cephalograms.
- Statistical analysis using paired t-tests to assess changes.
Main Results:
- Genioplasty demonstrated good long-term stability as a procedure.
- A minor relapse of 1.5 mm (24% of advancement) occurred at the pogonion.
- Relapse was attributed to natural bone remodeling, not surgical instability.
Conclusions:
- Vertical reduction and advancement genioplasty yields predictable results.
- The procedure offers generally very good bony and soft tissue stability.
- Genioplasty is a reliable adjunctive procedure for facial harmony enhancement.
