Thapa V, Shrestha S, Adhikari K, Bhandari S. Treatment of Intrabony Defect using Xenograft and Collagen membrane-A Case Report with Clinico-radiographic Evidence. J Nepal Soc Perio Oral Implantol. 2023;7(2):85-89. doi:10.3126/jnspoi.v7i2.62612