PMC6594322_01
Fenestration on facial gingiva #11.
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Clinical examination revealed a 3 x 5 mm fenestration through the facial gingiva at tooth #11 (Figure 1).
Periapical radiograph #11.
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A radiograph taken showed only mild interproximal horizontal bone loss (Figure 2). The surgical site healed without complication.  Figure 6 shows healing at 2 months with correction of the gingival perforation evident.
Prominent edge of NCCL #11.
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Under local anesthesia with 2% lidocaine and 1 : 100,00 epinephrine, a facial sulcular-modified papilla preservation incision was made from #10 to #12, and a mucoperiosteal flap reflected revealing a NCCL with prominent sharp edges at #11 (Figure 3).
Postodontoplasty #11.
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The root prominence of the NCCL was reduced with high speed rotary instrumentation (Figure 4), and the site prepared for soft tissue grafting.
Closure of surgical graft site.
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A connective tissue graft was taken from the left maxillary tuberosity region, and closure was obtained with 5-0 PTFE monofilament sutures after copious irrigation of the surgical site (Figure 5).
2-month postop healing.
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The surgical site healed without complication.  Figure 6 shows healing at 2 months with correction of the gingival perforation evident.
18-month follow-up.
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An 18-month follow-up (Figure 7) reveals mature healing of the defect, and the patient has had no complaints.