de Abreu Rogério Alexandre Modesto, Pereira Max Domingues, Furtado Fabianne, Prado Gabriela Pereira Ribeiro, Mestriner Wilson, Ferreira Lydia Masako
Division of Plastic Surgery, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.
Division of Plastic Surgery, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.
Arch Oral Biol. 2014 Oct;59(10):1065-74. doi: 10.1016/j.archoralbio.2014.05.005. Epub 2014 Jun 5.
The aim of the study was to evaluate and correlate masticatory efficiency (ME) and maximum bite force (MBF) in adult individuals of both genders with normal occlusion.
The study was conducted in a university research centre. ME and MBF were evaluated in 55 adults (27 men and 28 women) with normal occlusion. All subjects chewed four fuchsin capsules (two on the right and two on the left molar region) for 15 chewing cycles with a 3-min interval between capsules. The concentration of fuchsin in the capsules was determined by spectrophotometry and stratified by gender and chewing side. Bite force (BF) was measured three times on both the left and right molars; the highest value of the three measurements on each side was taken as the MBF.
ME was higher in women (right side, 1.17±016μg/mL; left side, 1.20±0.15μg/mL) than in men (right side, 0.92±0.24μg/mL; left side, 0.89±0.24μg/mL). The MBF was higher in men (right side, 632±174N; left side, 627±170N) compared with women (right side, 427±140N; left side, 420±112N). No significant differences in chewing efficiency and BF were found between sides for both genders.
Women showed the highest ME, while men had the highest MBF, with no correlation between these two parameters among genders.
本研究旨在评估具有正常咬合的成年男女的咀嚼效率（ME）和最大咬合力（MBF），并将二者进行关联分析。
本研究在一所大学研究中心开展。对55名具有正常咬合的成年人（27名男性和28名女性）进行了ME和MBF评估。所有受试者咀嚼四颗品红胶囊（右侧两颗，左侧磨牙区两颗），咀嚼15个周期，胶囊之间间隔3分钟。通过分光光度法测定胶囊中品红的浓度，并按性别和咀嚼侧分层。在左右磨牙上均测量三次咬合力（BF）；每侧三次测量中的最高值作为MBF。
女性的ME较高（右侧，1.17±0.16μg/mL；左侧，1.20±0.15μg/mL），高于男性（右侧，0.92±0.24μg/mL；左侧，0.89±0.24μg/mL）。男性的MBF高于女性（右侧，632±174N；左侧，627±170N）（右侧，427±140N；左侧，420±112N）。男女两侧的咀嚼效率和BF均未发现显著差异。
女性的ME最高，而男性的MBF最高，这两个参数在性别之间无相关性。
