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The primary purpose of scaling and root planing is to thoroughly clean the surfaces of the teeth and the roots below the gum line, effectively removing plaque and tartar buildup. This procedure is crucial for treating periodontal disease, as it helps to eliminate harmful bacteria that contribute to gum inflammation and infection. By removing these deposits, scaling and root planing allow the gums to heal and reattach to the teeth, promoting better oral health.

Whitening teeth, filling cavities, and polishing are associated with different dental procedures. Whitening aims to enhance the color of teeth, filling addresses decay, and polishing typically involves smoothing the surfaces of teeth after scaling to provide a smooth finish. Each of these has its distinct purpose and does not address the need to remove deep tartar and plaque that scaling and root planing specifically targets.