Face Bow: Dental Instruments

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Face bow a dental instrument used particularly in prosthodontics. it has the aim and the goal to transfer the functional and aesthetic components from patient's mouth to the dental articulator. It records the relationship between the maxilla and the temporo -mandibular joint of the individual this record can be used orient a cast or model of the maxilla to the opening and closing axis of the articulator. Although the majority of dentists tend to forget about the face bow immediately when they go to practice in their own clinics Face bow is also termed as a caliper like device which means it can measure both the internal and external dimensions. The face bow helps in transferring the esthetic and functional components from the patient to …show more content…

The kinematic face bows is positioned upon the mandible's articulation point, after being identified by various movements performed by the patient. According to the correct reading of a graph the correct position of the maxilla can be identified. As for the other type of the face bows which is the arbitrary face bow which also has two types the first called ear bow as it uses the ear canal it rests upon the external auditory meatus and the second called fascia type as it rest on the face of the patient generally speaking this type of face bow points arbitrary hinge axis, rather than the actual one. Therefore it will not be 100% accurate. Modern face-bows and articulators are absolutely essential for producing consistently predictable outstanding aesthetic restorations, and they have become extremely accurate and easy to use. the use of new modern face bows made it possible to mount the dental casts of asymmetrical face to reproduce their clinical appearance. The mounted case meets the occlusal and functional demands of the dentist at the same time provides the dental operator with the correct horizontal and vertical orientation. This correct spatial orientation enables the dental operator to visualize and produce the highest-quality aesthetic restoration as possible for the patient comfort. The usage of the face bows facilitates the production of higher-quality

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