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Clinical and Histologic Outcomes of Biologically Oriented Alveolar Ridge Preservation: A Prospective Observational
Antonio Rapani1, Leonardo Tonegato1, Paolo Savadori2
1Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy.
Clinical Implant Dentistry and Related Research
|May 2, 2025
Summary
Biologically oriented Alveolar Ridge Preservation (BARP) effectively minimizes bone loss after tooth extraction, preserving ridge dimensions for dental implants. This technique supports natural bone regeneration, outperforming unassisted healing.
Area of Science:
- Dental Implantology
- Oral Surgery
- Regenerative Dentistry
Background:
- Alveolar ridge preservation is crucial after tooth extraction to maintain bone volume for subsequent dental implant placement.
- Unassisted socket healing often leads to significant vertical and horizontal bone resorption, complicating implant rehabilitation.
- Evaluating novel techniques like BARP is essential for improving predictable outcomes in implant dentistry.
Purpose of the Study:
- To assess the efficacy of Biologically oriented Alveolar Ridge Preservation (BARP) in reducing post-extraction alveolar ridge modifications.
- To compare the outcomes of BARP with spontaneous socket healing in terms of soft tissue contour and bone dimensions.
- To evaluate the histomorphometric characteristics of regenerated bone following BARP.
Main Methods:
- A prospective controlled observational study involving 30 patients undergoing single-rooted upper premolar extractions.
- The test group (15 patients) received BARP, utilizing collagen sponge and xenogeneic bone substitute.
- The control group (15 patients) underwent spontaneous socket healing. Soft tissue changes were assessed via digital impressions, and histomorphometry was performed on regenerated tissue in the BARP group.
Main Results:
- BARP significantly reduced both vertical (1.61 mm vs. 2.51 mm) and horizontal (3.37 mm vs. 4.34 mm) ridge shrinkage compared to the control group (p < 0.001).
- Histomorphometric analysis of the BARP group revealed approximately 39.7% newly formed bone with minimal residual graft material.
- The BARP technique demonstrated superior preservation of alveolar ridge dimensions and soft tissue contour.
Conclusions:
- The BARP technique is effective in minimizing post-extraction soft tissue contour modifications.
- BARP promotes natural bone regeneration, ensuring adequate bone dimensions for successful dental implant rehabilitation.
- This technique offers a viable solution for preserving alveolar bone volume after extraction.
