The purpose of this study was to evaluate the effect of preetching
with phosphoric acid on microleakage of self-etch
adhesive material Adhes E in primary teeth.
The study involve 50 primary teeth(molars ,canins )which
extracted for orthodontic re
asons had no caries ,fractures ,crack.
The teeth were gathered in Hama university-pediatric dentistry
department. Class v cavity prepared in all samples.
