title: [Study and drawing of standard curve of body height and weight for orthodontics].
abstract: OBJECTIVE
  To study and trace the standard growth curve of body height and weight of adolescent in Shenzhen area for orthodontic diagnosis and treatment planning.
  
  
  METHODS
  Based on the general assessment data of 21,120 students (7-18 years) in Shenzhen, the body height and weight were measured and the standard curve of body height and weight was drawn.
  
  
  RESULTS
  Under 12 years, the annual increment of body height and weight was similar for both sexes. Above 12 years, the annual body height and weight increment of girls was slower than that of boys. The annual body weight increment peak was between 11-12 years for girls and 13 years for boys.
  
  
  CONCLUSIONS
  The standard growth curve of body height and weight plays an important role in the orthodontic diagnosis and treatment planning.
authors.affiliation: Department of Stomatology, Red Cross Society Hospital of Shenzhen, Shenzhen 518035, China.
authors.forename: R
authors.initials: R
authors.lastname: Liang
authors.forename: X
authors.initials: X
authors.lastname: Zhang
authors.forename: M
authors.initials: M
authors.lastname: Gu
mesh_terms: D000293:Adolescent; D001827:Body Height; D001835:Body Weight; D002648:Child; D006801:Humans; D009970:Orthodontics