Cephalometric appraisal of the hyoid triangle in brazilian people of Piracicaba’s region

Authors

  • Maria Julia Pereira Coelho Ferraz Piracicaba Dental School, / UNICAMP
  • Darcy Flávio Nouer Piracicaba Dental School, / UNICAMP
  • Fausto Bérzin Piracicaba Dental School, / UNICAMP
  • Meire Alves Sousa Piracicaba Dental School, / UNICAMP
  • Fábio Romano Piracicaba Dental School/ UNICAMP

DOI:

https://doi.org/10.20396/bjos.v5i17.8641884

Keywords:

Hyoid triangle. Orthodontic diagnosis. Class I malocclusion

Abstract

The Triangle Hyoid was measured by cephalometric measures in Brazilian individuals from Piracicaba’s region by establishing comparisons with the values existing in the literature objectiving to establish values of normality for the position of the hyoid bone. The sample consisted of 31 cephalometric radiographs of Brazilian individuals with Angle’s Class I malocclusion, mix dentition,16 boys and 15 girls with ages raging from 8 to 15 years. The gotten data had submitted it test “t” of Student that showed the occurrence of sexual dimorfism for the ântero-posterior position of the hyoid bone(H) to the retrognation (RGn). The antero-posterior hyoid position (H) in relation to the third cervical vertebra (C3) was constant, with values of 34.03 mm and standard deviation of 3.85. The distances between antero-posterior position of C3 and symphysis (RGn) were similar to those found in the literature. The vertical position of the hyoid bone was higher and less inclined. The correlation coefficient between the atlas vertebrae to posterior nasal espine (AA-PNS) and C3-H was significant (0.56), which is suggesting that the hyoid bone represents the previous limit of the upper airspace in a level more inferior than the PNS in accordance with the literature. It concluded itself that there is a related sexual differences and face standard with the position of the hyoid bone indicates the necessity of a refined evaluation of this bone, therefore represents an important element for the orthodontic and functional orthopedic and speech therapist and physitherapist.

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Author Biographies

Maria Julia Pereira Coelho Ferraz, Piracicaba Dental School, / UNICAMP

graduation at Odontologia from Faculdade de Odontologia de São José dos Campos/ UNESP (1989), master's at ORTODONTIA from Faculdade de Odontologia de Piracicaba (2004) and doctorate at Biologia Buco-Dental: concentração em Anatomia from Faculdade de Odontologia de Piracicaba (2007). Has experience in Odontologia, focusing on Odontologia, acting on the following subjects: crescimento craniofacial, respiração bucal, osso hióide, qualidade de vida and médicos, dentistas, fonoaudiólogos.

Darcy Flávio Nouer, Piracicaba Dental School, / UNICAMP

Possui graduação em Odontologia pela Faculdade de Odontologia de Piracicaba Unicamp(1960), ensino-medio-segundo-graupelo Ginásio e Colégio Estadual Jose Abílio de Paula(1956) e aperfeicoamento em Ortodontia pela Faculdade de Odontologia de Piracicaba Unicamp(1964).

Fausto Bérzin, Piracicaba Dental School, / UNICAMP

Possui Graduação em Odontologia pela Universidade Estadual de Campinas (1966) e Especialização em Anatomia pela Universidade de São Paulo (1970), Doutorado em Ciências pela Faculdade de Odontologia de Piracicaba (1974). Professor Titular de 1966 a 2010 pela Faculdade de Odontologia de Piracicaba-UNICAMP. Atualmente é Professor Colaborador da Faculdade de Odontologia de Piracicaba-UNICAMP, Professor Visitante do Programa de Pós-Graduação em Fisioterapia, da Universidade Federal de São Carlos, no período de Março de 1998 a Setembro de 2010, Assessor do Fundo de Apoio ao Ensino à Pesquisa, Assessor da Fundação de Amparo à Pesquisa do Estado de São Paulo e Assessor do CNPq.

Meire Alves Sousa, Piracicaba Dental School, / UNICAMP

Possui graduação em Odontologia pela Universidade Federal de Juiz de Fora (1985), especialização em Odontopediatria pela Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas - FOP/UNICAMP (1991) , mestrado em Ortodontia pela FOP/UNICAMP (2004) e doutorado em Ortodontia pela FOP/UNICAMP (2010) . 

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Published

2015-11-25

How to Cite

1.
Ferraz MJPC, Nouer DF, Bérzin F, Sousa MA, Romano F. Cephalometric appraisal of the hyoid triangle in brazilian people of Piracicaba’s region. Braz. J. Oral Sci. [Internet]. 2015 Nov. 25 [cited 2022 Dec. 9];5(17):1001-6. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641884

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