Problems of human dentition

Post-Pleistocene changes in the human dentition.

Published evidence indicates sharp reductions in the hominid dentition following the end of the Pleistocene. These reductions, both in size and in morphological complexity, have proceeded farthest in those areas where culture change has occurred most rapidly. The model proposed here suggests that post-Pleistocene dental reduction may be the result of the change in selective forces consequent fr...

problems and strategies of translating persian lexical collocations into english: the case of noun-verb and noun-adjective collocations

در محیط های دانشگاهی ایران ، آموزش ترجمه واژگان هم آیند که به منزله امری لاینفک برای دانش جویان رشته مترجمی زبان می باشد، تا حدود زیادی نادیده گرفته شده است . این واقعیت باعث شده است تا دانش جویان رشته مترجمی زبان در ترجمه ی واژگان هم آیند اشتباهات بسیاری مرتکب شوند. این پژوهش توجه ویژه ای به ترجمه واژگان هم آیند داشته است. برای مشخص نمودن مشکلات و استراتژی های مورد استفاده ی دانش جویان در ترجم...

pollution problems in human environment

since last few decades, the rapid industrialization has led to the development of many new chemicals, namely of which different kind of pesticides are of the most important ones. it is now evident that almost every food, agricultural product, water, soil and human body etc. is contaminated with some sort of chemical or pesticide. in some highly industrialized countries, new ailments have been r...

Restoration of the failing dentition.

enamel defects of human primary dentition as virtual memory of early developmental events

background and aims. the objectives of the present study were to investigate the prevalence and the position of enamel defects of primary teeth and hence to estimate the approximate time of an insult. material and methods. 121 children aged 3 to 5 years were included in the study. the modified developmental defects of enamel index was used to diagnose and classify the defects. the defects were ...