In mutually protected occlusion, which teeth protect during all mandibular excursions by discluding the posterior teeth?

In mutually protected occlusion, which teeth protect during all mandibular excursions by discluding the posterior teeth?

• A. Anterior teeth protect posterior teeth
• B. Posterior teeth protect anterior teeth
• C. They both protect equally
• D. No protection occurs during excursions

Answer: (A)

During mandibular excursions, the anterior teeth take on the protective role by discluding the posterior teeth. As the jaw moves forward or to the side, the anterior teeth contact and guide the mandible, preventing the posterior teeth from contacting. This protects them from wear and trauma during movement. The posterior teeth contribute stability in centric occlusion, but they do not provide disclusion during excursions. So, anterior teeth protecting the posterior teeth by discluding them during all movements best describes mutually protected occlusion.

During mandibular excursions, the anterior teeth take on the protective role by discluding the posterior teeth. As the jaw moves forward or to the side, the anterior teeth contact and guide the mandible, preventing the posterior teeth from contacting. This protects them from wear and trauma during movement. The posterior teeth contribute stability in centric occlusion, but they do not provide disclusion during excursions. So, anterior teeth protecting the posterior teeth by discluding them during all movements best describes mutually protected occlusion.