Facial Patterns and Masticatory Symmetries

NCT ID: NCT01286363

Last Updated: 2011-01-31

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

86 participants

Study Classification

OBSERVATIONAL

Study Start Date

2006-09-30

Study Completion Date

2008-12-31

Brief Summary

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The purpose of this study is to evaluate chewing side preference, and lateral asymmetry of occlusal contact area and bite force of individuals with different craniofacial patterns

Detailed Description

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Dolichofacial subjects presents poorer mechanical advantage, less efficiency in masticatory muscles during mastication and in generating bite force, smaller occlusal contact area and masticatory capacity when compared to brachyfacial individuals.

Wide, bilateral chewing cycles were related to better masticatory performance, however, unilateral chewing was reported to be very common in population, and it has been associated to lateral asymmetry on bite force and occlusal contact area.

It has been reported that dolichofacial subjects need greater muscular effort during mastication when compared to meso and brachyfacial subjects. This may cause functional overloading of weaker masticatory muscles, and may lead to functional asymmetries.

Conditions

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Facies

Keywords

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Bite force Dental occlusion Face Mastication Morphology

Study Design

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Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Brachyfacial

Subjects with a horizontal facial growth pattern

No interventions assigned to this group

Mesofacial

Subjects with a balanced facial growth pattern

No interventions assigned to this group

Dolichofacial

Subjects with a vertical facial growth pattern

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Full dentition, good general and oral health

Exclusion Criteria

* Facial deformities
* Severe malocclusion
* History of signs and symptoms of temporomandibular disorder
* History of parafunctions
* History of maxillofacial surgery or jaw injuries and orthodontic treatment concluded in the last 2 years
Minimum Eligible Age

18 Years

Maximum Eligible Age

32 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Conselho Nacional de Desenvolvimento Científico e Tecnológico

OTHER_GOV

Sponsor Role collaborator

University of Campinas, Brazil

OTHER

Sponsor Role lead

Responsible Party

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Piracicaba Dental Schoo, State University of Campinas

Principal Investigators

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Simone G Farias Gomes, PhD

Role: PRINCIPAL_INVESTIGATOR

Universidade Federal de Pernambuco

William Custodio, MS

Role: STUDY_CHAIR

Piracicaba Denal School, State University of Campinas

Fernanda Faot, PhD

Role: STUDY_CHAIR

Federal University of Pelotas

Altair A Del Bel Cury, PhD

Role: STUDY_DIRECTOR

Piracicaba Dental School, State University of Campinas

Renata CM Rodrigues Garcia, PhD

Role: STUDY_DIRECTOR

Piracicaba Dental School, State University of Campinas

Locations

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Piracicaba Dental School

Piracicaba, São Paulo, Brazil

Site Status

Countries

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Brazil

References

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Gomes SG, Custodio W, Faot F, Del Bel Cury AA, Garcia RC. Masticatory features, EMG activity and muscle effort of subjects with different facial patterns. J Oral Rehabil. 2010 Nov;37(11):813-9. doi: 10.1111/j.1365-2842.2010.02075.x. Epub 2010 Aug 19.

Reference Type BACKGROUND
PMID: 20726943 (View on PubMed)

Martinez-Gomis J, Lujan-Climent M, Palau S, Bizar J, Salsench J, Peraire M. Relationship between chewing side preference and handedness and lateral asymmetry of peripheral factors. Arch Oral Biol. 2009 Feb;54(2):101-7. doi: 10.1016/j.archoralbio.2008.09.006. Epub 2008 Oct 22.

Reference Type BACKGROUND
PMID: 18947820 (View on PubMed)

Garcia-Morales P, Buschang PH, Throckmorton GS, English JD. Maximum bite force, muscle efficiency and mechanical advantage in children with vertical growth patterns. Eur J Orthod. 2003 Jun;25(3):265-72. doi: 10.1093/ejo/25.3.265.

Reference Type BACKGROUND
PMID: 12831216 (View on PubMed)

Sonnesen L, Bakke M, Solow B. Temporomandibular disorders in relation to craniofacial dimensions, head posture and bite force in children selected for orthodontic treatment. Eur J Orthod. 2001 Apr;23(2):179-92. doi: 10.1093/ejo/23.2.179.

Reference Type BACKGROUND
PMID: 11398555 (View on PubMed)

Gomes SG, Custodio W, Faot F, Cury AA, Garcia RC. Chewing side, bite force symmetry, and occlusal contact area of subjects with different facial vertical patterns. Braz Oral Res. 2011 Sep-Oct;25(5):446-52. doi: 10.1590/s1806-83242011005000014.

Reference Type DERIVED
PMID: 22031059 (View on PubMed)

Other Identifiers

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monegfg11

Identifier Type: -

Identifier Source: org_study_id