BACKGROUND AND AIM: Ectopic eruption (EE) of the permanent first molars (PFMs) results from a discrepancy between the jaw growth rate and the growth rate of these teeth. The present study was undertaken to evaluate the prevalence of EE of PFMs in Kerman, Iran, and then determine the relationship between growth parameters (height and weight) and this developmental anomaly.METHODS: In the present...

Purpose – This study aims to better understand individuals’ motives for contributing knowledge in an online community. Design/methodology/approach – An integrated model is developed based on a motivational model and social cognitive theory. To validate the model two online communities: the Electronic Engineering Times in Taiwan and China were surveyed. Findings – It was found that both perceive...