If a patient habitually sleeps with the neck flexed, which occlusal pattern is the likely outcome?

If a patient habitually sleeps with the neck flexed, which occlusal pattern is the likely outcome?

• A. Distal Occlusion
• B. Mesial Occlusion
• C. Open Bite
• D. Labial Inclination of Upper Incisors

Answer: (B)

Habitual neck flexion during sleep tends to place the head and mandible in a forward, forward-downward posture. To maintain the airway and keep the tongue in a functional position, the mandible is held forward over time. This chronic forward jaw position causes the lower dental arch to occlude ahead of the upper arch, leading to a mesial occlusion (Class III tendency). It’s not about vertical or tipping changes of the incisors or a backward mandible; those patterns reflect different postural or dental adaptations.

Habitual neck flexion during sleep tends to place the head and mandible in a forward, forward-downward posture. To maintain the airway and keep the tongue in a functional position, the mandible is held forward over time. This chronic forward jaw position causes the lower dental arch to occlude ahead of the upper arch, leading to a mesial occlusion (Class III tendency). It’s not about vertical or tipping changes of the incisors or a backward mandible; those patterns reflect different postural or dental adaptations.