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Published on: December 5, 2025
The interproximally connected flap to treat intrabony defects: case reports
1Periodontology Department, Dental School, University of Florence, Italy. tinticarlo@tiscali.it
Summary
This study introduces the interproximally connected flap, a novel surgical technique for treating deep intrabony defects. The technique successfully prevented membrane exposure and improved tissue regeneration, showing significant clinical results.
Area of Science:
- Periodontology
- Regenerative Dentistry
- Surgical Innovation
Background:
- Deep intrabony defects pose challenges for periodontal regeneration.
- Nonresorbable barrier membranes are used to enhance hard and soft tissue regeneration.
- Membrane exposure is a common complication that can compromise treatment outcomes.
Observation:
- A novel surgical technique, the interproximally connected flap, was evaluated.
- This flap design maintains interproximal soft tissue integrity, avoiding incisions in defect-associated papillae.
- The technique was applied to 11 patients with deep intrabony defects treated with titanium-reinforced membranes.
Findings:
- 100% primary closure was achieved in all defects at baseline.
- No membrane exposures occurred during the 4-month healing period.
- Clinically significant improvements in probing pocket depths and probing attachment levels were observed at 1 year.
Implications:
- The interproximally connected flap is a promising technique for preventing membrane exposure in periodontal regeneration.
- This approach may enhance the space for hard and soft tissue regeneration, leading to improved clinical outcomes.
- Further research can explore the long-term efficacy and broader applicability of this flap design.