title: Pleasantness of facial profile and its correlation with soft tissue cephalometric parameters: Perception of orthodontists and lay people.
abstract: OBJECTIVE
  This study was aimed to evaluate the perception of orthodontists and of lay people about the facial profile and its possible correlation with cephalometrics parameters.
  
  
  METHODS
  A total of 20 evaluators were divided into two groups (10 orthodontists and 10 people with no relation to such area - lay people). They were asked to evaluate the photographs of 25 young males and of 25 young females, aged 17-24-year-old (mean age of 22.3 years, standard deviation 2.41 years). Photographs were randomly arranged in a photo album. The evaluators rated each photograph by means of a scale ranging from "good" to "deficient" based on the pleasantness of their facial profile. Nasolabial angle, Holdaway's H-line and the distance from H-line to nose tip were measured, in order to verify a possible relation between these soft tissue profile cephalometric measurements and the subjective ratings.
  
  
  RESULTS
  The kappa statistics test showed a concordance of 0.23 among orthodontists and 0.24 among lay people. Regarding the perception of orthodontists and lay people on facial profile, no significant divergence could be detected. For the correlation between cephalometric parameters and subjective ratings, there was a statistically significant correlation between the measures H and H-nose and the rating ascribed to the profile.
  
  
  CONCLUSIONS
  It was concluded that smaller the difference from the normal cephalometric pattern, the higher was the rating given to the profile, demonstrating an important relation between subjective and objective criteria.
authors.affiliation: Department of Orthodontics, Inapós Dental School, Pouso Alegre, MG, Brazil.
authors.forename: Geraldo Eugênio
authors.initials: GE
authors.lastname: Marchiori
authors.affiliation: Private Office, Joinville, SC, Brazil.
authors.forename: Leonardo Oliveira
authors.initials: LO
authors.lastname: Sodré
authors.affiliation: Department of Orthodontics, Inapós Dental School, Pouso Alegre, MG, Brazil.
authors.forename: Tereza Cristina Rodrigues
authors.initials: TCR
authors.lastname: da Cunha
authors.affiliation: Department of Orthodontics, UNICID-University of São Paulo City, São Paulo, SP, Brazil.
authors.forename: Fernando César
authors.initials: FC
authors.lastname: Torres
authors.affiliation: Department of Orthodontics, FUNORTE, Florianópolis, SC, Brazil.
authors.forename: Henrique Damian
authors.initials: HD
authors.lastname: Rosário
authors.affiliation: Department of Orthodontics, Federal University of Sergipe, Lagarto, SE, Brazil.
authors.forename: Luiz Renato
authors.initials: LR
authors.lastname: Paranhos
keywords: Cephalometrics; esthetics; form perception; orthodontics