<prompt> A 20 year old male patient, is unhappy with the appearance of his front tooth and wants to get it straightened. According to Lischers modification, the central incisor can be aptly classified as:TorsiversionPerversionTransversionAxiversion  <response>: Lischer in 1933 further modified Angles classification by giving substitute names:CL I NeutrocclusionCL II Distocclusion CL III Mesiocclusion He also proposed terms to designate individual tooth malposition:Mesioversion: Mesial to normal positionDistoversion: Distal to normal positionLinguoversion: CrossbiteLabioversion: Increased overjetInfraversion: Submerged toothSupraversion: Supraerupted toothAxiversion: Abnormal inclinationTorsiversion: Rotated toothTransversion: Transposed toothPerversion: Impacted toothRef: Kharbanda OP. Orthodontics: Diagnosis of Management of Malocclusion Dentofacial Deformities. 3rd edition page 333Image: Kotha SB. Intra-alveolar auto-transplantation to correct a single tooth rotation: A case report with four years of follow-up. Saudi Journal of Oral Sciences. 2014 Jul 1;12:110. 