objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

In current research, two strains of Japanese quail consisting of 150 wild quail (50 male and 100 female birds) and 150 white quail (50 male and 100 female birds) were used as base population in Aghghala quail station. Four mating groups include group 1 (wild male×wild female), group 2 (white male×wild female), group 3 (wild male×white female) and group 4 (white male×white female) were used for ...

abstract: the present study was undertaken to investigate whether 1) there is any significant correlation between iranian efl/eap learners’ l2 writing proficiency and their willingness to communicate, 2) there is any significant difference between efl and eap learners in terms of willingness to communicate, 3) there is any significant difference in wtc of iranian efl/eap learners with 1- nati...