Biologic preparation of diseased root surfaces

Area of Science:

• Periodontology
• Biomaterials Science
• Cell Biology

Background:

• Periodontally diseased teeth harbor cementum-bound endotoxins.
• These endotoxins can impede new attachment and healing post-therapy.
• Restoring root surface biocompatibility is essential for periodontal regeneration.

Purpose of the Study:

• To evaluate a non-invasive method for restoring biocompatibility to diseased root surfaces.
• To assess the effect of treatments on fibroblast attachment to treated root surfaces.
• To determine if specific agents can facilitate periodontal new attachment.

Main Methods:

• Human teeth with severe chronic periodontal disease were used.
• Root surfaces were treated with sodium desoxycholate and/or Cohn plasma fraction.
• Treated roots were incubated with gingival fibroblasts in vitro.
• Fibroblast attachment was quantified to assess biocompatibility.

Main Results:

• All tested treatments improved fibroblast attachment compared to untreated roots.
• A combination treatment of deoxycholate and plasma fraction showed a significant increase in cell attachment (p<0.01).
• The non-invasive treatments successfully created a biological surface for fibroblast adhesion.

Conclusions:

• Non-invasive treatments can restore biocompatibility to periodontally diseased root surfaces.
• These treatments promote fibroblast attachment, a key factor in periodontal healing.
• The findings suggest a potential therapeutic approach to enhance periodontal regeneration.