Clinical and radiographic evaluation of periodontal intrabony defects by open flap surgery alone or in combination with Biocollagen(®) membrane: A randomized clinical trial.

J Int Soc Prev Community Dent · 2015 · PMC4515801 · PMID 26236678

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moderately significantno p-value reported

In relation to PD changes [Tables 1 and 2 , Figure 9 ], when group 1 was compared with group 2, there was a significant difference at 3, 6, and 9 months post-surgery and a moderately significant difference at 12 months post-surgery.

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