case_images: PMC6594322_01
case_images: Fenestration on facial gingiva #11.
case_images: CRID2019-6810670.001.jpg
case_images: PMC6594322_01_CRID2019-6810670.001.jpg
case_images: fig1
case_images: Clinical examination revealed a 3 x 5 mm fenestration through the facial gingiva at tooth #11 (Figure 1).
case_images: Periapical radiograph #11.
case_images: CRID2019-6810670.002.jpg
case_images: PMC6594322_01_CRID2019-6810670.002.jpg
case_images: fig2
case_images: 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.
case_images: Prominent edge of NCCL #11.
case_images: CRID2019-6810670.003.jpg
case_images: PMC6594322_01_CRID2019-6810670.003.jpg
case_images: fig3
case_images: 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).
case_images: Postodontoplasty #11.
case_images: CRID2019-6810670.004.jpg
case_images: PMC6594322_01_CRID2019-6810670.004.jpg
case_images: fig4
case_images: The root prominence of the NCCL was reduced with high speed rotary instrumentation (Figure 4), and the site prepared for soft tissue grafting.
case_images: Closure of surgical graft site.
case_images: CRID2019-6810670.005.jpg
case_images: PMC6594322_01_CRID2019-6810670.005.jpg
case_images: fig5
case_images: 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).
case_images: 2-month postop healing.
case_images: CRID2019-6810670.006.jpg
case_images: PMC6594322_01_CRID2019-6810670.006.jpg
case_images: fig6
case_images: The surgical site healed without complication.  Figure 6 shows healing at 2 months with correction of the gingival perforation evident.
case_images: 18-month follow-up.
case_images: CRID2019-6810670.007.jpg
case_images: PMC6594322_01_CRID2019-6810670.007.jpg
case_images: fig7
case_images: An 18-month follow-up (Figure 7) reveals mature healing of the defect, and the patient has had no complaints.