Which of the following facial landmark planes must be positioned slightly (5?) down toward the floor when positioning the arches within the focal trough?
a. Frankfort
b. Ala-tragus
c. Midsagittal
d. Occlusal
b. The Frankfort and occlusal planes should be positioned parallel to the floor. The midsagittal plane should be positioned perpendicular to the floor.
Health Professions
You might also like to view...
________ Roman numerals are used when numbering in the metric system
Indicate whether the statement is true or false
Health Professions
The length of the spinal cord in adults is ________ inches from the base of the medulla oblongata to the junction between the first (L1) and second (L2) lumbar vertebrae
a. three to five b. 13 c. 17–18 d. 33
Health Professions