In this study, alveolar ridge preservation techniques were not able to entirely compensate for alveolar ridge reduction. Covering the orifice of the extraction socket with a free gingival tissue graft seems to have the potential to limit but not avoid the post-operative external contour shrinkage based on optical scans.
The combination of a microsurgical access flap with EMD seems to be superior to open flap debridement in terms of PPD reduction, CAL gain and radiographic bone fill. In the test as well as the control group, primary wound closure was successfully achieved.
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