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In dentistry, a mutually protected occlusion is an occlusal scheme in which the anterior teeth protect the posterior teeth, and vice versa. The anterior teeth protect the posterior teeth by providing for a plane of guidance during excursions, thus allowing the cusps of the posterior teeth to disclude rather than strike one another during lateral or protrusive movements from centric relation. In other words, the posterior teeth have much larger crowns and more cusps than the anterior teeth. Because posterior crowns are wider and possess cuspal projections in various configurations, the cusps of the maxillary teeth and those of the mandibular teeth have an opportunity to bang into each other during chewing, speech or simply meeting together when one bites down. To prevent this from happening

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  • In dentistry, a mutually protected occlusion is an occlusal scheme in which the anterior teeth protect the posterior teeth, and vice versa. The anterior teeth protect the posterior teeth by providing for a plane of guidance during excursions, thus allowing the cusps of the posterior teeth to disclude rather than strike one another during lateral or protrusive movements from centric relation. In other words, the posterior teeth have much larger crowns and more cusps than the anterior teeth. Because posterior crowns are wider and possess cuspal projections in various configurations, the cusps of the maxillary teeth and those of the mandibular teeth have an opportunity to bang into each other during chewing, speech or simply meeting together when one bites down. To prevent this from happening, the anterior teeth of each arch will, ideally, be situated so as to come into contact before the cusps of the posterior teeth do, thus preventing wear on the posterior teeth. This requires less force because the anterior teeth are further from the joint (analogous to stopping a door further from its hinge). The posterior teeth protect the anterior teeth by providing a stable vertical dimension of occlusion. While anterior teeth may retain their natural position even after loss of posterior teeth, the masticatory forces will eventually cause the single-rooted anterior to splay, thus leading to a collapsed bite. (en)
  • ミューチュアリー・プロテクティッド・オクルージョン (Mutually protected occlusion) とは、スタラードが提唱した理想咬合様式のことである。直訳すれば「相互保護咬合」となるが、一般には原語のまま呼ばれる。 ミューチュアリー・プロテクティッド・オクルージョンでは、咬頭嵌合している場合には臼歯が前歯にかかる力を抑制し、偏心運動時には前歯(犬歯)によって臼歯が離開して保護するという、相互に影響し合う咬合様式となる。 この咬合様式を受けて、1958年にダミコが犬歯誘導咬合を提唱した。現在では、犬歯誘導咬合と同意である場合が多いと言われる。 (ja)
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  • ミューチュアリー・プロテクティッド・オクルージョン (Mutually protected occlusion) とは、スタラードが提唱した理想咬合様式のことである。直訳すれば「相互保護咬合」となるが、一般には原語のまま呼ばれる。 ミューチュアリー・プロテクティッド・オクルージョンでは、咬頭嵌合している場合には臼歯が前歯にかかる力を抑制し、偏心運動時には前歯(犬歯)によって臼歯が離開して保護するという、相互に影響し合う咬合様式となる。 この咬合様式を受けて、1958年にダミコが犬歯誘導咬合を提唱した。現在では、犬歯誘導咬合と同意である場合が多いと言われる。 (ja)
  • In dentistry, a mutually protected occlusion is an occlusal scheme in which the anterior teeth protect the posterior teeth, and vice versa. The anterior teeth protect the posterior teeth by providing for a plane of guidance during excursions, thus allowing the cusps of the posterior teeth to disclude rather than strike one another during lateral or protrusive movements from centric relation. In other words, the posterior teeth have much larger crowns and more cusps than the anterior teeth. Because posterior crowns are wider and possess cuspal projections in various configurations, the cusps of the maxillary teeth and those of the mandibular teeth have an opportunity to bang into each other during chewing, speech or simply meeting together when one bites down. To prevent this from happening (en)
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  • ミューチュアリー・プロテクティッド・オクルージョン (ja)
  • Mutually protected occlusion (en)
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