in order to study the effect of soil compaction on root and shoot growth of wheat plants (shahriar variety), a greenhouse pot experiment was conducted in guilan university. the study design was factorial with completely randomized in three replications. treatments included three compaction levels; (normal compaction, compaction of ten percent and twenty percent) and two type of soil texture (cl...

introduction: the aim of this study was to evaluate the apical and coronal sealing of endodontic fillings promoted by the associations of sealer 26/gutta-percha, endofill/gutta-percha and resilon/ epiphany. materials and methods: it was used 38 human canines, 10 teeth for each test group and 4 teeth for each control group. after teeth conventional endodontic treatment, they were immersed in sal...

the success of endodontic therapy requires knowledge of the internal and external dental anatomy and its variations in presentation. this case report involves endodontic treatment of a traumatized maxillary central incisor with two separate roots.