TY - BOOK AU - Laila Mohammad Mohammad Kenawi AU - Ghada Elhilaly Mohamed Eid , AU - Khaled Mohamed Ezzat , AU - Nashwa Salah Mohamed , TI - Healing of chronic apical lesion using hyaluronan versus conventional and surgical treatment : : A comparative study (in vivo) / PY - 2010/// CY - Cairo : PB - Laila Mohammad Mohammad Kenawi , KW - Chronic apical lesion KW - Conventional and surgical endodontic treatment KW - Hyaluronan N1 - Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics; Issued also as CD N2 - The aim of the study was to compare between the effects of hyaluronan combined with conventional endodontic treatment and surgical treatment on the healing of chronic apical lesions as evaluated by direct digital radiography UR - http://172.23.153.220/th.pdf ER -