article_metadata: Shiv Prasad Sharma
article_metadata: 10.1155/2019/8450749
article_metadata: Case Rep Dent
article_metadata: 2019 Aug 14;2019:8450749.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/31485358/
article_metadata: Case Reports
article_metadata: PMC6710802
article_metadata: 31485358
article_metadata: Three-Layered Closure of Persistent Oroantral Fistula Using Chin Graft, Buccal Fat Pad, and Buccal Advancement Flap: A Case Report with Review of Literature
article_metadata: 2019