Admission Test for Dental Hygiene (ATDH) 2025 – 400 Free Practice Questions to Pass the Exam

Scaling is the dental hygiene procedure specifically aimed at the removal of calculus, which is the hardened plaque that accumulates on teeth and can contribute to periodontal disease if not removed. This procedure involves the use of specialized instruments to carefully and effectively remove calculus from teeth above and below the gum line.

Polishing, while important for enhancing the smoothness and shine of teeth, does not directly address the removal of calculus; instead, it focuses on the removal of surface stains and plaque that remain after scaling. Fluoride application is designed to strengthen tooth enamel and prevent decay rather than remove deposits, and sealant application involves the process of applying a protective coating to the surfaces of teeth to prevent cavities, offering no role in calculus removal. Thus, scaling distinctly serves the primary purpose of removing calculus, making it the correct answer in this context.