Final answer:
The anterior lingual heights of contour are located in the maxillary arch. These refer to the widest points on the tongue-facing surfaces of the anterior upper teeth.
Step-by-step explanation:
The question is asking about the location of the anterior lingual heights of contour for teeth. Regarding the heights of contour, which refers to the greatest bulge or widest point on a specific surface of the tooth, it is essential to understand the structures of the maxilla and the mandible.
The alveolar process of the maxilla is the curved, inferior margin of the maxillary bone and contains the upper teeth, forming the upper jaw. Conversely, the alveolar process of the mandible is the part of the mandible that houses the lower teeth. Given these definitions, the answer to the question would be A) Maxillary arch. This is because the anterior lingual heights of contour, which are essentially the 'bumpiest' parts or crests of curvature on the tongue-facing sides of teeth, are typically located on the anterior teeth of the maxillary arch.