New attachment formation on various root surfaces using guided tissue regeneration technique

Abstract

I examined the morphological features of attachment between various root surfaces and regenerated periodontal tissues following guided tissue regeneration (GTR). Experimental periodontitis was induced on the canines and incisors of 16 adult monkeys. During flap surgery, the root condition was modified by either root planing or curettage of the superficial cementum, with and without application of citric acid. Membranes (Millipore^[○!R] filters) were placed over the experimental teeth on the left side, while the contralateral teeth served as controls without membranes. The root surface condition determined the type of attachment, regardless of the migration of specific cells.