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Cervical Postural Relapse Effects – A Reversal of the Neuromuscular Trajectory

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by Clayton A, Chan, D.D.S. – Founder/Director of Occlusion Connections™

Cervical postural relapse effects can occur having a reversal on the Neuromuscular Trajectory due to inexperienced occlusal management. As the mandible moves or shifts posteriorly, due to an imbalanced occlusion and improper gearing of the teeth (flattening), the following will result:

Small and proper occlusal adjustment can make a big difference

1. The head will begin to regress back to an upward and forward posture.

2. The forward head posture develops with the head tilting upward (flat occlusal plane tendency).

3. Vector of forces change – hypertonic digastric/suprahyoid muscles vs. physiologic vector of forces will ensue.

4. Alteration in the maxillary occlusal plane toward flat or level tendency relative to horizontal level.

5. Domino effect of masticatory muscles forces shifting the isotonic myo-trajectory back to one of pathology (posteriorly toward a habitual trajectory).

6. Compromised function of the neck moving from a lordotic curvature to a kyphotic curvature.

7. Dictation of abnormal jaw closure pattern (relapse of the neuromuscular myo-trajectory) occurs due to the proprioceptive engrammed occlusal forces of a distorted worn occlusal morphology will now take over an dominate the postural system.

This is what happens when the bite/occlusal management is not properly managed and or maintained!

To maintain an optimal physiologic (normalized) head posture over the vertebral spinal column it must be recognized that a proper mandibular occlusion must be micro-occlusally adjusted and positioned supported with effective postural therapy in order to bring all the straining muscles to a stable relationship.


To Read More:

Read More: TMD Problems that Challenge Dentistry – Four Main Categories

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