Three-dimensional biometric study of palatine rugae in children with a mixed-model analysis: a 9-year longitudinal study

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Hong-Kyun KimYoung-Seok Park

Abstract

The palatine rugae have been suggested as stable reference points for superimposing 3-dimensional virtual models before and after orthodontic treatment. We investigated 3-dimensional changes in the palatine rugae of children over 9 years. Complete dental stone casts were biennially prepared for 56 subjects (42 girls, 14 boys) aged from 6 to 14 years. Using 3-dimensional laser scanning and reconstruction software, virtual casts were constructed. Medial and lateral points of the first anterior 3 rugae were defined as the 3-dimensional landmarks. The length of each ruga and the distance between the end points of the rugae were measured in virtual 3-dimensional space. The measurement changes over time were analyzed by using the mixed-effect method for longitudinal data. There were slight increases in the linear measurements in the rugae areas: the lengths of the rugae and the distances between them during the observation period. However, the amounts of the increments were relatively small when compared with the initial values and individual random variability. Although age affected the linear dimensions significantly, it was not clinically significant; the rugae were relatively stable. The use of the palatine rugae as reference poi...Continue Reading

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Citations

Aug 31, 2014·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Hong-Kyun KimYoung-Seok Park
Jun 4, 2013·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Sung-Chul MoonYoung-Seok Park
Aug 28, 2012·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Jin-Soo AhnYoung-Seok Park
Oct 23, 2014·European Journal of Orthodontics·Jan HourfarGeorgios Kanavakis
Apr 11, 2013·Operative Dentistry·Y C HwangJ J Ryu
Apr 6, 2017·European Journal of Orthodontics·Maria SaadehJoseph Ghafari
Oct 24, 2017·European Journal of Orthodontics·Georgios VasilakosNikolaos Gkantidis
Sep 30, 2020·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Gökhan TürkerZeynep Burçin Gönen
Nov 15, 2017·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Kathrin BeckerDieter Drescher
Feb 6, 2017·Orthodontics & Craniofacial Research·A H Abdi, M Nouri
Oct 28, 2020·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Maria E SaadehJoseph G Ghafari
Nov 18, 2020·Orthodontics & Craniofacial Research·Caroline Pazera, Nikolaos Gkantidis
Nov 7, 2020·Scientific Reports·Jessica ArmstrongMartyn T Cobourne

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