[Surgical therapy of gingival recessions. Longitudinal study of the effectiveness of two surgical techniques]. / Zur chirurgischen Therapie periodontaler Rezessionen. Eine Longitudinalstudie zur Effektivität zweier Operationstechniken.

First indication and contraindication of surgical procedures are discussed. In comparison of two surgical methods for the treatment of gingival recessions the better effect is by the two-phase-surgery. There is a dependence on age- and tooth-groups.