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Titolo:
Comparative data from young men and women on masseter muscle fibres, function and facial morphology
Autore:
Tuxen, A; Bakke, M; Pinholt, EM;
Indirizzi:
Univ Copenhagen Hosp, Dept Oral & Maxillofacial Surg, DK-2200 Copenhagen N, Univ Copenhagen Hosp Copenhagen Denmark N al Surg, DK-2200 Copenhagen N, Univ Copenhagen, Fac Hlth Sci, Sch Dent, DK-2200 Copenhagen, Denmark Univ Copenhagen Copenhagen Denmark DK-2200 , DK-2200 Copenhagen, Denmark Univ Copenhagen Hosp, Dept Oral Funct & Physiol, Copenhagen, Denmark Univ Copenhagen Hosp Copenhagen Denmark & Physiol, Copenhagen, Denmark
Titolo Testata:
ARCHIVES OF ORAL BIOLOGY
fascicolo: 6, volume: 44, anno: 1999,
pagine: 509 - 518
SICI:
0003-9969(199906)44:6<509:CDFYMA>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
HUMAN SKELETAL-MUSCLE; ISOMETRIC BITE FORCE; ENZYME-ACTIVITIES; FIBERS;
Keywords:
biopsy; bite ford; cephalometry; electromyography; gender; histocytochemistry; men; masseter muscle; women;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Tuxen, A Exnersvej 29, DK-2930 Klampenborg, Denmark Exnersvej 29 Klampenborg Denmark DK-2930 0 Klampenborg, Denmark
Citazione:
A. Tuxen et al., "Comparative data from young men and women on masseter muscle fibres, function and facial morphology", ARCH ORAL B, 44(6), 1999, pp. 509-518

Abstract

The primary aim was to relate information about masseter muscle fibres andfunction to aspects of facial morphology in a group of healthy young men. The secondary aim was to investigate possible sex differences using data previously obtained from a comparable group of age-matched, healthy women. Dental status and facial morphology were recorded in 13 male students aged 20-26 years. Functional examinations included bite-force measurements and electromyographic recordings of masseter activity. A biopsy was removed from the masseter of each participant during surgical extraction of a wisdom tooth, and the tissue examined for myosin ATPase activity. Further, the cross-sectional areas of the different fibre types were measured. In spite of using age-matched healthy men and women with a full complement of teeth, statistically significant sex differences were found among measures related to muscle function and some measures of facial morphology. Thus data from men and women should not be pooled uncritically. The greater bite force in men than women corresponded with the greater diameter and cross-sectional area oftype II fibres. Further, the males had more anteriorly inclined mandibles and shorter anterior facial height, suggesting a relation between the greater muscle force and the shape of the face. However, linear regression analysis failed to demonstrate any significant association between bite force and facial morphology among men and women. Thus, craniofacial morphology could be a result of far more contributing factors than previously believed. (C) 1999 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/10/20 alle ore 13:27:26