Related Experiment Video
Updated: May 25, 2026

05:54
Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
Published on: October 18, 2021
Minimally invasive technique for gingival augmentation around dental implants
Carlo Tinti1, Stefano Parma-Benfenati
1University of Florence, Florence, Italy.
The International Journal of Periodontics & Restorative Dentistry
|February 1, 2012
Summary
The trap door technique is a soft tissue surgical modification for dental implants that improves aesthetics and preserves gum health. This minimally invasive procedure is well-accepted by patients and effective for addressing concavity and black triangles.
Area of Science:
- Dental Surgery
- Periodontology
- Implantology
Background:
- Contemporary dental implantology faces challenges in meeting patient aesthetic expectations.
- Preserving periodontal health and soft tissue architecture is crucial for long-term implant success.
- Interproximal soft tissue concavity and the absence of papillae can negatively impact aesthetics, leading to "black triangles".
Purpose of the Study:
- To describe a soft tissue surgical modification, the trap door technique, for dental implant procedures.
- To evaluate the technique's efficacy in enhancing patient aesthetics and preserving periodontal health.
- To highlight the technique's applicability in single-stage implant surgeries and its benefits for papillae preservation.
Main Methods:
- The article details the "trap door technique," a specific soft tissue surgical modification.
- The technique is indicated for single-stage single and multiple implant surgeries.
- It focuses on preserving the integrity of interproximal papillae and eliminating buccal soft tissue concavity.
Main Results:
- The trap door technique effectively enhances patient aesthetic outcomes.
- It successfully preserves the integrity of the papillae, preventing their loss.
- The procedure addresses interproximal papillary development, obviating the "black triangle" aesthetic defect.
Conclusions:
- The trap door technique is a valuable surgical modification for improving aesthetic results in dental implantology.
- It is particularly effective in cases with minimal interproximal bone loss.
- The technique is minimally invasive, does not require autogenous bone grafting, and is well-accepted by patients, promoting longitudinal periodontal health.