Jozefowicz W, Mikolajczyk A
Department of Prosthetics, Medical Academy of Lodz, Institute of Stomatology, Poland.
J Prosthet Dent. 1989 Dec;62(6):651-3. doi: 10.1016/0022-3913(89)90585-4.
Maxillary complete dentures were made with thickened denture bases for 10 patients. The retentive force was measured with a dynamometer. Acrylic resin was then removed with a bur from the mucosal side of the denture base, thus progressively enlarging the palatal chamber. Each enlargement was followed by measurement of the surface and volume of the chambers and the retention force of the dentures. The mean force of the denture retention diminished progressively from 57 N to 13.5 N as the chambers enlarged. An analysis of the results showed that the retention of maxillary complete dentures does not depend on the surface of the palatal chambers but is inversely proportionate to their volume.
为10名患者制作了带有加厚义齿基托的上颌全口义齿。用测力计测量固位力。然后用牙钻从义齿基托的黏膜侧去除丙烯酸树脂，从而逐渐扩大腭腔。每次扩大后，测量腔室的表面积和体积以及义齿的固位力。随着腔室扩大，义齿固位的平均力从57 N逐渐减小到13.5 N。结果分析表明，上颌全口义齿的固位不取决于腭腔的表面积，而是与其体积成反比。
