Haidy Samy William <br/><br/>
Retreatment efficacy of RaCe rotary nickel titanium system with or without solvent in oval root canals obturated with gutta percha and different sealers :   An invitro study /  
  مع استخدام مذيب فى قنوات الجذور البيضاوية التى تم حشوها بالجتابركا مع مواد لاصقة مختلفةRaCe كفاءة اعادة العلاج بواسطة جهاز النيكل تيتانيوم:   دراسة معملية 
Haidy Samy William ; Supervised Ghada Elhilaly Eid , Samir Mohamed Osman 
 - Cairo :   Haidy Samy William ,   2012 
 - 136 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics 
<br/><br/> The aim of this study was to first : Evaluate the dissolution of three realers (zinc oxide / eugenol based epoxy resin based polyviny1 based) and a gutta percha brand in chloroform and newly selected essential oil . Second : evaluate efficience of retreatment using a rotary nickel titanium system 9d RaCe) using chloroform essential oil or no solvent in oval root canals obturated with the above sealers and gutta percha with regards to retreatment time and percentage of remaining depris 
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<br/><br/><label>Subjects--Index Terms: </label>Retreatment  Rotary systems  Solvent