为上颌骨缺损的病人修复时,为避免缺损区的基托过厚,常制成中空腭托,以减轻重量,利于固位。目前国内腭托中空的制作方法有数种,在义齿热处理时,常常在中空部填入石膏块,开盒后除去石膏,用自凝塑料将基托与腭盖粘接起来,粘接不佳者,中空部漏气, To repair the maxillary defect patients, in order to avoid the defect area of ​​the base is too thick, often made hollow palate care to reduce weight and help retention. At present, there are several methods of making hollow palate care. When the denture is heat-treated, the gypsum block is often filled in the hollow part, the gypsum is removed after the box is opened, the base and the palatal cover are cemented with self-curing plastic, , The Ministry of hollow leaks,