Yussif NM, Selim K. Analysis of post-extraction consequences of posterior maxillary molars on antral sinus in periodontitis patients: A preliminary qualitative two dimensional panoramic study (Prevalence study). J Osseointegr [Internet]. 2021 Jul. 6 [cited 2024 Nov. 23];13(2):82-8. Available from: https://www.journalofosseointegration.eu/jo/article/view/408