Inhaltsangabe
This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1921. Not illustrated. Excerpt: ... 43. Record the Incisor Path. Mis. Procedure: Instruct the patient to keep the horseshoe plate in contact with the upper bite rim; then release the incisor path marker pin and direct the patient to move the mandible forward, then backward, several times. When the marker pin is at the front end of the record made by forward-backward movement, have the patient stop and then move the mandible to the right. Repeat the movement to the right several times from the same starting point. Have the patient make a series of movements from the front starting point to the left side. Should the patient confuse your instructions, moving in the reverse of the way directed, try suiting your instructions to the way the patient interprets them. When the path is recorded, it will be shaped like an open Mi6. V with the point directed forward. Remove the impressions from the mouth, and place in cold water until ready to adjust the face bow. If the mouth opens during record making, the incisor path marker pin should be locked in the raised position and released only when the bite rims are in contact, in order to avoid obscure or incorrect records. 44. Make a Cross Mark on Each Cheek to Locate the Condyle Positions. Mo6. Hold a ruler against the right cheek so that the f-109. upper edge of the ruler will be on a line from the outer corner of the eye to the upper border of the auditory canal. Place a pencil against the upper edge of the ruler and starting just in front of the auditory canal draw a line 2 cm. long. Place a blunt-ended cylindrical instrument in the opening of the auditory canal and measure forward from the front surface of the instrument 14 mm., at which point make a vertical line that intersects the horizontal line at right angles. Make a similar cross mark on the left che...
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