“…The points that were used included the implant platform (Khoury and Buchmann, 2001;Deppe et al, 2007;Roccuzzo et al, 2011;Aghazadeh et al, 2012;Froum et al, 2012;Wohlfahrt et al, 2012), the first thread (Roos-Jansaker et al, 2007a, 2007b, and the bone crest (Schwarz et al, 2009;Schwarz et al, 2010;Schwarz et al, 2012;Wiltfang et al, 2012). It might be preferable to describe both the supracrestal and the subcrestal components of bony defects so that the changes of the crestal location in relation to the implant platform and the amount of defect fill at the bottom of the defects can be readily evaluated.…”