qareh qeshlaq marble quarry as one of the valuable resources of ornamental stones in west azarbaijan province formed through thermal carbonate springs while its mineral deposit thickness is limited in comparison with surface extension. in the present research, geological and blocky modeling of the marble deposit was carried out in order to develop a production planning for this quarry, identify...

background and aims. the aim of this study was to evaluate the predictability of implantation at the time of maxillary and mandibular molar extraction. materials and methods. maxillary and mandibular molars were extracted with an atraumatic technique (root separation and careful extraction with a periotome) to preserve all remaining inter-radicular bone. then, 115 tapered and straight implants ...