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What is a “Pin Hole Surgical Technique”?
 It is a surgical procedure that offers the least invasive of surgical procedures and
options for treating gingivitis and gum recession. This procedure which is also
referred to as “Lunchtime Gum Lift “or “Pinhole Gum Rejuvenation” technique
merges together the methods of a conventional periodontal surgery and a
channelled bone renewal technique, as an attempt to reverse the receding of the
gums due to gingivitis.
 The way the Pin Hole Surgical Technique or PST procedure is conducted is by the
creation of a tiny pin hole, this pinhole pierces the mucosa apical to the
mucogingival junction in the region where the receding is occurring; special tools
are then injected into a hole that lifts up the “flap” to the complete width in the
apico-coronal direction.
 The question remains, how does the elevated periosteum remain in the recent
coronal location without any sort of stitching to hold it in place? That would be
with pieces of collagen membranes called collagen strips. These collagen strips
have been used as a method connecting during these types of periodontal
procedures for many years; these strips are essentially sections of a resorbable
collagen membrane that has also been termed Bio-Gide (Geistlich Biomaterials).