定做矫正器，来自桶形石膏夹制备的嘴和牙齿模具，显著降低呼吸暂停-呼吸减慢指数，而热塑性矫正器则无效。
The custom-made devices, created using a plaster cast of the patient's mouth and construction bites, significantly reduced the apnea-hypopnea index, whereas the prefabricated devices did not.
主要的材料为：黑色与白色合成石，拉膜灯箱，彩色夹胶玻璃，彩虹亚克力板，铝板，高强石膏板等。
The key materials are: Black and white reconstituted stone, stretch ceiling light box, tinted laminated glass, rainbow tinted acrylic, composite aluminium panels and glass Reinforced Gypsum board.
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