[Paris V and vertical dimension].

For pedagogic reasons, the department of dento-facial orthopedics of the university of Paris V thinks that: the diagnosis would be based on the evaluation of some characteristics; the prognosis would appreciate possible dento-alveolar compensations; the orthopedic, orthodontic and surgical treatment would coincide perfectly with these diagnosis and prognosis data. The authors' opinion is based on records of dysmorphic and normal persons.