Cranio-Maxillary Orientation and Face Bow

The process involves seating the patient, marking the points for condylar position, attaching the bite fork to occlusal rims, placing the frame of the face bow, making the condylar rod scales equivalent, recording the anterior reference point, tightening the fork to the frame, removing the face bow, and transferring the record to the articulator. The purpose of each step is to accurately capture the relationship of the maxilla to the transverse hinge axis and to ensure proper mounting of the maxillary cast on the articulator.

The vertical dimension of occlusion refers to the length of the face and is defined as the distance between two selected anatomic or marked points. It is maintained by the occlusion of the teeth.

The vertical dimension of rest refers to the length of the face and is defined as the distance between two selected anatomic or marked points. It is maintained by the balanced tonic contraction of the opening and closing muscles of mandibular movements.

<p>The U-shaped frame in a face bow is used to capture and transfer the relationship of the maxilla to the transverse hinge axis, allowing for accurate mounting of the maxillary cast on the articulator.</p> Signup and view all the answers

<p>The vertical jaw relation is categorized into the vertical dimension of rest and the vertical dimension of occlusion. The components of the vertical dimension of rest are the balanced tonic contraction of the opening and closing muscles of mandibular movements, while the components of the vertical dimension of occlusion are the occlusion of the teeth.</p> Signup and view all the answers