Three-dimensional motion analysis – an exploratory study. Part 1: Assessment of facial movement. H Popat, S Richmond, R Playle, D Marshall, PL Rosin, D Cosker.

Date: November 2008. Source: Orthodontic Craniofacial Research;11(4):216-223. doi:10.1111/j.1601-343.2008.00433.x. Objective: To objectively quantify facial movement in response to facial expression and spoken word. Design: Experimental study. Setting – Department of Dental Health and Biological Sciences, University Dental Hospital, Cardiff, UK. Experimental variable: Facial movement was assessed in response to a standardized smile expression and the utterance…