fig3
![Porcine-derived acellular dermal collagen matrix and enamel matrix derivative for the treatment of infrabony defect in the esthetic area](https://image.oaes.cc/280938db-2ee0-48a1-8d4b-fb4a904b5ee8/3937.fig.3.jpg)
Figure 3. (A, B) A horizontal 6-0 PGA internal mattress suture was selected with the purpose of almost connecting the supracrestal soft tissue and the palatal flap, and then a palatal single interrupted 7-0 PGA suture achieved healing by first intention between the interdental soft tissue and the palatal flap. PGA: Polyglycolic acid.