The presence of a large mandibular torus may make which of these difficult? a. Aligning the correct horizontal angulation b. Determining the accurate vertical angulation c. Placing the image receptor...

The presence of a large mandibular torus may make which of these difficult?

a. Aligning the correct horizontal angulation

b. Determining the accurate vertical angulation

c. Placing the image receptor precisely

d. Directing the central ray of the x-ray beam at the center of the image receptor