Lamiaa Ahmed Ibrahim <br/><br/>
Evaluation of the effect of two types of laser on the apical seal of root canals with and without retrograde filing /  
 تأثير الاشعاع بنوعين من الليزر على منع التسرب القمى الناتج عن استخدام أنواع مختلفة من حشوات الجذور القمية 
Lamiaa Ahmed Ibrahim ; Supervised Maged Negm , Alaa Diah , Ali Saafan 
 - Cairo :   Lamiaa Ahmed Ibrahim ,   2009 
 - 127 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics 
<br/><br/> The present experiment was carried out to evaluate the effect of two different types of laser; namely the 980 nm diode laser and the 10.064um Co2 laser on the apical scal of root canals obturated with gutta-percha and a sealer with and without two types of retrograde filling materials. These retrograde fillings are hydroxy apatite and bioactive glass 
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<br/><br/><label>Subjects--Index Terms: </label>Apical seal Apicoectomy Retrograde filling