Bacterial Efficacy of Ca(oH)2 Against E.faecalis Compared with three Dental Lasers on Root Canal Dentin- An Invitro Study.

Aim: The aim of this study was to evaluate bactericidal effect of Ca(OH)2 compared with 810 nm diode, 980 nm diode, and Nd:YAG lasers on root canal dentin against E.faecalis.

Materials And Methods: Sixty five freshly extracted human mandibular single rooted teeth were selected for the study.

Eggshell derived hydroxyapatite as bone graft substitute in the healing of maxillary cystic bone defects: a preliminary report.

Background: Since ancient times, use of graft materials to promote healing of defects of bone is wellknown. Traditionally, missing bone is replaced with material from either patient or donor. Multiple sources of bone grafts have been used to graft bone defects to stimulate bone healing.