Biologic preparation of diseased root surfaces. An in vitro study

Area of Science:

• Biomaterials Science
• Periodontology
• Cell Biology

Background:

• Periodontal disease involves root surface damage and impaired fibroblast attachment.
• Enhancing fibroblast adhesion is crucial for successful periodontal regeneration.
• Current treatments have limitations in promoting effective root surface healing.

Purpose of the Study:

• To evaluate the efficacy of 2% sodium desoxycholate and whole human plasma in promoting gingival fibroblast attachment to diseased root surfaces.
• To compare the attachment of fibroblasts on treated versus untreated (control) diseased root surfaces.
• To determine the statistical significance of any observed differences in fibroblast attachment.

Main Methods:

• Twenty periodontally involved teeth were sectioned and their diseased root surfaces prepared.
• Experimental surfaces were treated with 2% sodium desoxycholate followed by human plasma.
• Control surfaces were treated with phosphate-buffered saline (PBS).
• Fibroblast cell suspensions were applied to both control and experimental tooth halves.
• The number of attached cells per tooth half was quantified for statistical analysis.

Main Results:

• Experimental surfaces treated with sodium desoxycholate and plasma showed significantly higher fibroblast attachment (mean 650 +/- 130 cells) compared to control surfaces (mean 307 +/- 63 cells).
• The observed difference in cell attachment between the groups was statistically significant (P < 0.01).
• The findings indicate a synergistic effect of the desoxycholate/plasma combination.

Conclusions:

• The combination of sodium desoxycholate and human plasma effectively enhances in vitro fibroblast attachment to diseased root surfaces.
• This treatment approach may offer a novel strategy for improving periodontal wound healing and regeneration.
• Further in vivo studies are warranted to validate these promising in vitro findings.