California Registered Dental Assistant (RDA) Written Practice Exam

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Another term for a decayed tooth is

  1. Abscess

  2. Cavity

  3. Plaque

  4. Calculus

The correct answer is: Cavity

Other options A: Abscess - An abscess is a painful infection that occurs when bacteria build up in a particular area. The bacteria trigger the immune system, causing a buildup of pus. While a decayed tooth may lead to an abscess, they are not the same thing as a decayed tooth does not always result in an abscess. C: Plaque - Plaque is a sticky, colorless film of bacteria that forms on teeth. It is caused by the combination of food particles and saliva. While plaque may contribute to tooth decay, it is not another term for a decayed tooth. D: Calculus - Calculus, also known as tartar, is hardened plaque that has accumulated on the teeth. While calculus may lead to tooth decay if not properly removed, it is not another term for a decayed tooth.