Fig. 2From: Pre-implantological treatment routines for alveolar ridge atrophy – an investigation among maxillofacial and oral surgeons in southern GermanyPreferred intraoral and extraoral donor regions of maxillofacial and oral surgeons for pre-implantological implant site preparation. Legend: OS – oral surgeons, MFS – maxillofacial surgeons, * - shows statistically significant differences between OS and MFS (Kendall’s τb; p < 0.05)Back to article page