Master HOSA Dental Terminology. Study with valuable resources including flashcards and multiple choice questions, with hints and explanations. Prepare effectively for your dental terminology exam!

Practice this question and more.


What is the definition of a sulcus in dental terms?

  1. Space between the free gingiva and the tooth

  2. A type of dental disease

  3. A space for dental implants

  4. None of the above

The correct answer is: Space between the free gingiva and the tooth

In dental terminology, a sulcus refers to the space found between the free gingiva and the tooth. This space is an essential component of periodontal health, as it is where the gums meet the tooth enamel. Measuring the depth of the sulcus can provide dentists with valuable information about the condition of the gums and the patient's oral hygiene. A healthy sulcus typically measures between 1 and 3 millimeters deep. If the sulcus depth exceeds this range, it can indicate potential periodontal disease or other dental issues. Understanding this definition is crucial for dental professionals as well as for those preparing for exams in the field, as it pertains directly to assessing gingival health and overall oral care. The other options do not accurately define a sulcus in a dental context, as they relate to either unrelated concepts or incorrect interpretations of dental terms.