5.予防歯学的配慮····································································································396.破損の防止··············································································································457.感覚・心理的配慮·······························································································508.義歯床の働き·········································································································559.前処置························································································································58Pattern24 維持力に頼りすぎない設計·····································································34Remarks8回転装着型義歯 （Rotational Path Removable Partial Dentures）··················35Pattern25 維持装置は把持との関係をおさえて選択する········································36Pattern26 歯冠形態を修正してアンダーカットを作る············································38Pattern27 設計の配慮で汚さない············································································39Pattern28 材料に配慮して汚さない········································································41Pattern29 セルフメインテナンスの徹底·································································42Pattern30 疲労の少ない材料を使う········································································45Pattern31 確実な技工操作を行う············································································45Pattern32 応力集中しやすい部位は剛性と設計で対応············································45Pattern33 患者側の要因を改善して破折のリスクを回避········································47Remarks9IRPD（Implant Removable Partial Denture）·························48Pattern34 外観に触れるメタルクラスプは遠心から················································50Pattern35 肩部を見せないインフラバルジ······························································51Pattern36 人工歯は残存歯と調和させる·································································51Remarks10ノンメタルクラスプデンチャー··········································51Pattern37 大連結子は左右対称に走行·····································································52Pattern38 シチヒキは順応しにくい········································································54Pattern39 義歯床に間接維持の働きも期待する·······················································55Pattern40 床縁は軟らかい粘膜で終わらせる··························································55Pattern41 義歯床は感覚・自然感・衛生に配慮·······················································56Pattern42 診断用模型は前処置の第一歩·································································58Pattern43 咬合高径を改善する···············································································58Pattern44 咬合平面の乱れを改善する·····································································59Pattern45 エーカースクラスプの理想的な歯冠形態をイメージする·······················60Pattern46 削ってダメなら足してみる·····································································61Pattern47 ガイドプレーンはレストシートよりも先に形成·····································61Pattern48 同じではない直接支台装置のレストと間接支台装置のレスト················62Pattern49 支台歯形成は設計が決まってから··························································63Remarks11口腔内でガイドプレーンを形成する方法····························64Pattern50 中心咬合位では、臼歯残存歯と均等に接触させる·································65１歯欠損から１歯残存までを補綴するBest Denture Design10.パーシャルデンチャーの咬合の考え方··············································65
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