作者认为,导面的设计和预备是活动部分义齿计划中最易忽视的一个方面。导面为二个或二个以上的基牙上的垂直平行面,它能确定和控制活动部分义齿的取戴方向。它可能存在于天然牙冠的外形上,或者通过选磨天然牙冠外形,或通过作嵌体或冠而形成。许多有经验的牙医错误地以为导面对各种类 The authors believe that the design and preparation of the guide surface is one of the most overlooked aspects of the denture program. The guide surface is a vertical parallel plane on two or more abutments, which determines and controls the orientation of the removable denture. It may be present in the shape of a natural crown, either by natural dressing of the crown or by inlays or crowns. Many experienced dentists mistakenly think of the various facets