Fig. 1From: Forces and moments generated by 3D direct printed clear aligners of varying labial and lingual thicknesses during lingual movement of maxillary central incisor: an in vitro studyExperimental apparatus of multi-axis force/moment sensors. A The experimental apparatus with three multi-axis force/moment transducers connected to the upper central incisors and the upper left lateral incisors. B An individual AFT20-D15 multi-axis force/moment transducerBack to article page