marginal returnとは 意味・読み方・使い方

To provide a low cost dental retainer in which a wearability and an exposure of a support part made of a metal are minimized due to a pressure relaxation of an oral cavity marginal muscle and a reduction in a synthetic resin content in connection with a rearward return after dentition orthodontics and which has excellent esthetics.例文帳に追加

歯列矯正後の後戻りにつながる口腔周囲筋の圧力緩和、ローコスト、合成樹脂量の減量による着用性、金属製支持部分の露出を最小限にした審美的等に優れた歯科用リテーナーを提供する。 - 特許庁