Scientific Essay from the year 2012 in the subject Medicine - Dentistry, grade: 3, University of Mosul (DBS), language: English, abstract: Background and objective: To evaluate the FTIR of Hydroxyl apatite additives 2 %, and 5 % of dry (HAP) prepared from egg shells to the polymer. Materials and Methods: Thirty six specimens of heat cured acrylic resin and other specimens of heat cured acrylic resin with 2 % and or 5 % prepared then immersed in distilled water for 48 hours then dried for 42 hours then scratched with sharp knife and measured by FTIR spectra . conclusion: The result showed when adding 2%&/or 5% hydroxyl apatite to heat cured acrylic resin denture base material resulting a homogenous mixture, without chemical reaction in between and without changes of acrylic resin properties so, they can be used together in patients with bone hydroxyl apatite deficiency.

Name: AMER A. TAQAEmail: amertaqa@hotmail.comDEPARTMENT OF DENTAL BASIC SCIENCECOLLEGE OF DENTISTRY/MOSUL UNIVERSITY/IRAQEDUCATIONPhD in Inorganic Chemistry awarded in 2001. Dissertation Title "Preparation and study some of complexes that can be used as dentalrestorative. Advisor: Tahanee Al-Sandook and I.M.Ahmed.M.Sc in inorganic Chemistry awarded in 1991. Dissertation Title"Preparation and study some of uranium complexes with nitrones" Advisor:Wiseman Aziz.B.Sc in Chemistry ...