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Volume 31 , Issue 6
November/December 2011
Pages 641-651

Comparison of Modified Widman and Coronally Advanced Flap Surgery Combined with Co2 Laser Root Irradiation in Periodontal Therapy: A 15-Year Follow-up

Roberto Crespi, MD, MS/Paolo Capparè, MD/Enrico Gherlone, MD, DDS, PhD/George E. Romanos, DDS, DMD, PhD

PMID: 22140666
DOI: 10.11607/prd.00.1016

The aim of this study was to compare modified Widman flap surgery (MW) to coronally advanced flap surgery combined with carbon dioxide laser root conditioning (CAF + CO2) from baseline to 15 years of follow-up. Each of 25 patients participating in this study were treated using a split-mouth design: In one quadrant, the teeth received MW surgery (control), and on the other side, after a full-thickness flap was raised, a CO2 laser was used and the full-thickness flap was repositioned coronally and sutured (CAF + CO2, test). Plaque Index, Gingival Index, probing depth, and clinical attachment level were monitored from baseline to 15 years. For probing depths ≥ 7 mm, CAF + CO2 sites provided greater pocket reduction (P < .01), and data on clinical attachment level showed a significant difference between control and test sites at 5 to 6 mm (P < .001) and ≥ 7 mm (P < .001). This study showed that CAF + CO2 therapy resulted in significantly higher improvements than MW surgery. (Int J Periodontics Restorative Dent 2011;31:641–651.)

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