TY - GEN AU - Lee,F M TI - Management of antral perforations and oro-antral fistulae PY - 1968///0409 KW - Dentistry KW - Maxillary Sinus KW - injuries KW - Oroantral Fistula KW - etiology KW - Tooth Extraction KW - adverse effects N1 - Publication Type: Journal Article ER -