Comparative evaluation of management of gingival recession using subepithelial connective tissue graft and collagen membrane by periodontal microsurgical technique: A clinical study of 40 cases.

J Indian Soc Periodontol · 2016 · PMC4847467 · PMID 27143833

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highly significantP = 0.000not a probability at all

The reduction in recession in both groups were statistically highly significant ( P = 0.000).

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