Australian Dental Council (ADC) Practice Test 2025 – The All-in-One Guide to Exam Success!

The anatomical location that is particularly susceptible to gingivitis is the interdental col. This area is a specific form of gingival tissue found between adjacent teeth, serving as a concave space. It is especially vulnerable due to its unique shape and the fact that it is not directly exposed to the forces of mastication. The interdental col is also difficult to clean properly, which often allows plaque accumulation, leading to inflammation and gingivitis.

The presence of plaque in this area can provoke an inflammatory response from the gingiva, resulting in redness, swelling, and bleeding, characteristic symptoms of gingivitis. Factors like improper brushing, lack of flossing, and inadequate dental hygiene practices contribute to the increased susceptibility of this region to gingival disease.

In contrast, other areas such as the gingival margin and alveolar ridge may also experience gingivitis, but the interdental col stands out as particularly prone to inflammation due to its anatomical features and position. Ankylosed teeth, which refer to teeth that are fused to bone, do not directly relate to the susceptibility of gingivitis in a typical context.