The tutorial is devoted to implementing modern methods for diagnosing dentoalveolar anomalies and deformities using computer software. The authors present original computer software package, developed at the Department of Orthodontics of the A.I. Yevdokimov Moscow State University of Medicine and Dentistry, to assess the aesthetics of the face, the shape, and size of dentition, occlusion. The obtained data are entered into the orthodontic patient's case, approved by the Ministry of Health of the Russian Federation. The book is intended for orthodontists, interns, clinical residents, and doctoral candidates.