A gentler path to covering exposed roots
A two-year clinical study has demonstrated the long-term stability of a minimally invasive surgical technique for treating gingival recession. The research focused on the modified coronally advanced tunnel (MCAT) technique combined with a porcine dermal matrix (PDM) functionalized with the patient’s own leukocyte- and platelet-rich fibrin (L-PRF). In 83 teeth with RT1 and RT2 recessions, the procedure achieved a mean root coverage of 80.17% and a complete root coverage rate of 34.78% after 24 months. The treatment also resulted in a modest but measurable gain in gingival thickness. The study, published in the Journal of Periodontology, reports uncomplicated healing and similar outcomes across different tooth types and jaw positions, suggesting the approach is broadly applicable for managing recession defects.
Why it might matter to you: This research provides robust, long-term data on a connective tissue graft (CTG)-sparing alternative for periodontal plastic surgery. For clinicians, it offers a validated protocol that may reduce patient morbidity and post-operative discomfort associated with palatal harvesting, while still delivering predictable root coverage and soft tissue augmentation. The findings support integrating this biomaterial-enhanced, minimally invasive option into clinical practice for suitable recession cases, potentially expanding treatment choices and improving patient acceptance of corrective procedures.
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