There are several antonyms for the term 'DENT HYG.' Dent hygiene refers to the process of maintaining oral hygiene, especially cleaning teeth and gums to prevent dental problems. The opposite of dent hygiene is dental neglect or dental hygiene neglect, which means not taking care of one's teeth and gums, leading to dental issues like tooth decay, gum disease, and bad breath. Other antonyms of dent hygiene include dental irregularities, dental malpractice, dental deterioration, dental neglect, etc. Therefore, it is imperative to maintain proper dental hygiene to prevent cavities, gum disease, and other dental issues that may cause discomfort, pain, or even loss of teeth.