Srinivasan Murali, Tahoury Bita, Takeshita Lisa, Moreira Yasmin Milhomens, Pavan Júlia Siqueira Rodrigues, Leles Cláudio Rodrigues
Clinic of General-, Special Care- and Geriatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.
School of Dentistry, Federal University of Goias, Goias, Brazil.
J Oral Rehabil. 2025 Mar;52(3):384-390. doi: 10.1111/joor.13914. Epub 2024 Dec 4.
This study aimed to correlate the bite/occlusal force measurements obtained through two methods: a hydraulic pressure gauge with a biting transducer (GM-10), and a computer-assisted device that records occlusal force on a pressure-sensitive film (Prescale II).
Healthy, dentate volunteers were recruited. Participants' demographic data included age, sex, number of teeth present, presence of oral pain, history of prior orthodontic treatment and presence of parafunction. Bite/occlusal force measurements were recorded for each participant using the GM-10 and the Prescale II devices. Linear Mixed-effect model regression was performed with the significance set at p < 0.05.
Forty-six volunteers (women = 25, men = 21; mean-age = 30.9 ± 9.3 years) participated. 54.3% and 34.8% presented with 28 and 29-32 teeth, respectively. 60.9% and 26.1% of the participants reported previous orthodontic treatment and oral parafunction. The overall mean GM-10 measurements recorded were 333.0 ± 192, 276 ± 167, 208 ± 134, 142 ± 103 Newtons, for the 2nd and 1st molars, 2nd and 1st premolars, respectively. GM-10 measurements were associated with the tooth position (p < 0.001) and the number of teeth (p < 0.001). The mean Prescale II measurements obtained with and without filter were 826 ± 594 and 1049 ± 595 Newtons, respectively, which were positively correlated with the occlusal contact area (r = 0.765; p < 0.001) and GM-10 (r = 0.245; p = 0.019). The regression analysis for dependent repeated data confirmed the significant effect of the GM-10 measurements (bite force) and the occlusal contact area on the Prescale II measurements.
Within the limitations of this study, it can be concluded that the correlation between bite force measurements carried out by GM-10 and Dental Prescale II was low and may not be considered interchangeable methods. The maximum bite force measured in isolated point contacts was a predictive factor of the occlusal force distributed over the entire arch. Further studies are warranted to explore this influence in the clinical implications of these findings.
本研究旨在关联通过两种方法获得的咬合力/牙合力测量值：一种是带有咬合力传感器的液压压力计（GM - 10），另一种是在压敏膜上记录牙合力的计算机辅助设备（Prescale II）。
招募健康、有牙的志愿者。参与者的人口统计学数据包括年龄、性别、现存牙齿数量、口腔疼痛情况、既往正畸治疗史和异常功能情况。使用GM - 10和Prescale II设备为每位参与者记录咬合力/牙合力测量值。进行线性混合效应模型回归，显著性设定为p < 0.05。
46名志愿者（女性 = 25名，男性 = 21名；平均年龄 = 30.9 ± 9.3岁）参与研究。分别有54.3%和34.8%的参与者有28颗和29 - 32颗牙齿。60.9%和26.1%的参与者报告有既往正畸治疗史和口腔异常功能。记录的GM - 10总体平均测量值，第二和第一磨牙分别为333.0 ± 192、276 ± 167、208 ± 134、142 ± 103牛顿，第二和第一前磨牙分别为上述对应值。GM - 10测量值与牙齿位置（p < 0.001）和牙齿数量（p < 0.001）相关。使用和不使用滤波器时Prescale II的平均测量值分别为826 ± 594和1049 ± 595牛顿，它们与牙合接触面积呈正相关（r = 0.765；p < 0.001），与GM - 10呈正相关（r = 0.245；p = 0.019）。对相关重复数据的回归分析证实了GM - 10测量值（咬合力）和牙合接触面积对Prescale II测量值有显著影响。
在本研究的局限性范围内，可以得出结论，GM - 10和牙科Prescale II所进行的咬合力测量值之间的相关性较低，可能不能认为是可互换的方法。在孤立点接触中测量的最大咬合力是整个牙弓上分布的牙合力的一个预测因素。有必要进行进一步研究以探讨这些发现对临床意义的影响。
