Positioning the arches too far forward in the focal trough, toward the tube head, will result in
A) the anterior teeth appearing blurred and diminished in width.
B) the anterior teeth appearing blurred and magnified.
C) an image that appears as an exaggerated smile.
D) wide radiopacities superimposed over the anterior teeth.
A
Explanation: A) Positioning the patient too far back toward the tube head results in all of the anterior teeth appearing blurred and magnified in width. Consequently, when the patient is too far forward in the focal trough, the anterior teeth appear blurred and narrowed in width.
B) Positioning the patient too far back toward the tube head results in all of the anterior teeth appearing blurred and magnified in width. Consequently, when the patient is too far forward in the focal trough, the anterior teeth appear blurred and narrowed in width.
C) Positioning the patient too far back toward the tube head results in all of the anterior teeth appearing blurred and magnified in width. Consequently, when the patient is too far forward in the focal trough, the anterior teeth appear blurred and narrowed in width.
D) Positioning the patient too far back toward the tube head results in all of the anterior teeth appearing blurred and magnified in width. Consequently, when the patient is too far forward in the focal trough, the anterior teeth appear blurred and narrowed in width.
You might also like to view...
Under the ADA, essential functions are fundamental job duties performed in a position. Which of the following would be included?
A) Large number of employees are available B) Position exists to perform that function C) Function is highly specialized D) Both A and B
Filing controls such as a ____________________ system and periodic audits of the files help to ensure accurate filing
Fill in the blank(s) with correct word