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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 4, No. 12, 2005, pp. 680-684
Bioline Code: os05008
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 4, No. 12, 2005, pp. 680-684

 en Cephalometric evaluation of Class III malocclusion by a modified Tweed-Merrifield analysis
Mayury Kuramae Maria Beatriz Borges De Araújo Magnani João Sarmento Pereira Neto Darcy Flávio Nouer Paulo Roberto Aranha Nouer

Abstract

A sample of cephalograms of 20 White Brazilian subjects (9 males, 11 females) of 17-36 years old, who presented Class III dental malocclusion was selected and traced. Results showed statistically significant differences among genders for FMIA, SNA, SNB, 1.NB, PFH, AFH, 1-NB and mandibular length. Anteroposterior jaw relation, as shown by SNA and SNB, presented a maxilla correctly positioned, as well as mandibular protrusion, which was related to a normal upper jaw length and an augmented lower jaw length. A vertical growth pattern prevailed, as evidenced by FMA, AFH, PHF and OCC.PL. Angle. The Z Angle, total chin and upper lip failed to clearly show any disturbance of facial esthetics and IMPA, 1.NA, 1- NA, 1.NB and 1-NB revealed dental compensation.

Keywords
cephalometrics, class III malocclusion, mandibular prognatism.

 
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