Clinical implications of age-related change of the mandibular plane angle.
cephalometry
craniofacial growth
longitudinal studies
Journal
Orthodontics & craniofacial research
ISSN: 1601-6343
Titre abrégé: Orthod Craniofac Res
Pays: England
ID NLM: 101144387
Informations de publication
Date de publication:
Feb 2020
Feb 2020
Historique:
received:
11
03
2019
revised:
25
08
2019
accepted:
26
08
2019
pubmed:
30
8
2019
medline:
18
1
2020
entrez:
30
8
2019
Statut:
ppublish
Résumé
To identify trajectories of ontogenetic change in the mandibular plane angle (MPA) and to describe the influence of sex and other factors on MPA during growth. The data consisted of 7026 MPA measurements from lateral cephalographs representing longitudinal series from ages 6 to 21 for 728 individuals from the Craniofacial Growth Consortium Study (CGCS). Facial type was determined from MPA for each assessment, with the assessment closest to age 18 representing the adult facial type. The sample includes 366 males and 362 females, each with between 2 and 15 cephalographs. The mean number of cephalographs per individual is 10. Variation in childhood MPA (earliest assessment between 6 and 9 years of age) and adult MPA (closest assessment to age 18 between 15 and 21 years of age), and change in MPA from childhood to adulthood were compared by sex and adult facial type using ANOVA and post hoc t tests. Mandibular plane angle decreased from childhood to adulthood in 92% of males and 81% of females, yet increased in 36% of males and 50% of females with the hyper-divergent adult facial type. Childhood MPA and overall change in MPA were significantly different by adult facial type. Adult facial type is associated with differences in childhood MPA and change in MPA during growth. There are multiple ontogenetic pathways by which an individual can achieve a normo-divergent adult facial type, and an individual's childhood MPA does not necessarily correspond to his or her adult facial type.
Identifiants
pubmed: 31465622
doi: 10.1111/ocr.12342
pmc: PMC6980205
mid: NIHMS1048408
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
50-58Subventions
Organisme : NIDCR NIH HHS
ID : F32 DE029104
Pays : United States
Organisme : NIDCR NIH HHS
ID : R01 DE024732
Pays : United States
Organisme : NIDCR NIH HHS
ID : R01DE024732
Pays : United States
Organisme : NIDCR NIH HHS
ID : F32DE029104
Pays : United States
Informations de copyright
© 2019 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
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