Australian Dental Council (ADC) Practice Test 2026 – The All-in-One Guide to Exam Success!

The cervical third root fracture is regarded as the most unfavourable type of root fracture due to several clinical implications. When a fracture occurs in the cervical third, which is the area near the gum line, it significantly compromises the structural integrity of the tooth. This location is critical because it is where the periodontal attachment is most prominent, making it difficult to achieve effective periodontal healing and maintaining tooth mobility since it can expose the tooth to the periodontal space.

Moreover, fractures in this area often pose challenges for treatment options. They can lead to issues with isolation during restorative procedures and may jeopardize the vitality of the tooth if the fracture extends into the pulp or affects the surrounding periodontal tissues, leading to more complex treatment decisions. Surgical interventions and extraction may be more likely outcomes for cervical third fractures compared to ones occurring in the apical or middle thirds, which are generally easier to manage. Thus, their position and the inherent complications make cervical third fractures particularly unfavourable in dental practice.