PST Case 17 Rick Glassman, DDS November 4, 2016Chao Pinhole Surgical Technique (PST™) 10.13.2014 Before #3-8 Pt JM 10.9.2015. 1 yr PO. #3-8 ! Pt JM 6 week PO ( see below ) #3-911.8.2014. Pt JM Share this!