In spite of severe bone loss, exostosis is present (Fig.7 (mesiobuccal view) E) so that bone graft could be placed palatal to it (Fig.8 red) with simultaneous scaling and root planing. 

Bone Graft Post Extrusion     Last     Next

Xin Wei, DDS, PhD, MS 1st edition 03/30/2020, last revision 03/30/2020