This paper explores the practical application of life cycle assessment (LCA) to product system development. While life cycle assessment methods have been studied and demonstrated extensively over the last two decades, their application to product design and development has not been critically addressed. Many organizational and operational factors limit the integration of the three LCA component...

background: a comprehensive system of assessing orthodontic need requires the integration of normative clinical measures with patient-based indicators. this study sought to discover weather an oral health-related quality of life measure or aesthetic component of index of orthodontic treatment need (ac-iotn) could be used as a predictor of orthodontic treatment need. factors affecting the judgme...