You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 20 year old male patient, is unhappy with the appearance of his front tooth and wants to get it straightened. According to Lischer’s modification, the central incisor can be aptly classified as: and explain in detail?
Lischer in 1933 further modified Angle’s classification by giving substitute names:

CL I (Neutrocclusion)
CL II (Distocclusion) 
CL III (Mesiocclusion)

 He also proposed terms to designate individual tooth malposition:

Mesioversion: Mesial to normal position
Distoversion: Distal to normal position
Linguoversion: Crossbite
Labioversion: Increased overjet
Infraversion: Submerged tooth
Supraversion: Supraerupted tooth
Axiversion: Abnormal inclination
Torsiversion: Rotated tooth
Transversion: Transposed tooth
Perversion: Impacted tooth

Ref: Kharbanda OP. Orthodontics: Diagnosis of & Management of Malocclusion & Dentofacial Deformities. 3rd edition page 333
Image: 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;1(2):110.