A malposition of a tooth in which it is rotated on its long axis. SYN: torsive occlusion, torsoclusion (2).
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tor·si·ver·sion .tȯr-sə-'vər-zhən n malposition of a tooth that is turned on its long axis
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tor·si·ver·sion (tor″sĭ-vurґzhən) [L. torquēre to twist + version] the turning or rotation of a tooth on its long axis.Medical dictionary. 2011.