TY - JOUR ID - TI - JO - Egyptian Journal of Oral and Maxillofacial Surgery JA - OMX LA - en SN - 2090-097X AU - Helaly, Yara Rabia AD - Oral & maxillofacial radiology department- Faculty of dentistry- Cairo university- Egypt Y1 - 1970 PY - 1970 VL - IS - SP - EP - KW - CBCT KW - Maxillary sinus KW - Mucosal thickening KW - periapical lesion DO - N2 - UR - https://omx.journals.ekb.eg/article_.html L1 - ER -