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Table 1 Summary of published data with histologic findings of different root coverage procedures

From: Bone-added periodontal plastic surgery: a new approach in esthetic dentistry

Author/year Materials/methods Results (histologic)
Pasquinelli/1995 [22] FGG+ tetracycline conditioning 4.4 mm of new attachment and 4.0 mm of new bone growth.
Harris/1999 [9] CTG+ Partial DPF Two different healing patterns: first onewas a long junctional epithelial attachment with minimal connective tissue
The other pattern was a short junctional epithelium and predominately connective tissue.
No new bone or cementum was seen in any section.
Goldstein et al/2001 [6] Periosteal CTG Sulcular epithelium was keratinized; epithelium lining the dentin exhibited rete ridges projecting into the gingival connective tissue; and junctional epithelium extended over new cementum. New connective tissue attachment was also observed, including periodontal ligament.
Majzoub et al/2001 [21] CTG Long junctional epithelium throughout the major portion. Only minimal signs of new cementum-like tissue
Carnio et al/2002 [23] CTG + EMD Short junctional epithelium, dense CT fibers were found in close proximity to the root surface,
No insertion of fibers into the root was observed.
Newcementum and new bone in the most apical end of the grafted area.
McGuire et al/2003 [10] CTG A connective tissue attachment
No histological evidence of cementum, bone, or PDL.
Cummings et al/2005 [24] CTG Cementum deposition within the root notches, unaffected alveolar bone.
McGuire et al/2009 [18] CTG + rhPDGF + beta-TCP Evidence of regeneration of cementum, PDL with inserting connective tissue fibers, and supporting alveolar bone, none of the CTG-treated sites exhibited any signs of periodontal regeneration.
Roman et al/2010 [25] CTG No ligament or bone, no sign of a long junctional epithelium a long connective tissue attachment