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The Relationship Between Occlusion and Posture

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  1. 1. POSTURE AND YOUR BITE 260-432-8596 For many years dental research has studied the relation of posture to the individuals bite. A clinical diagnosis of whether the unique bite of each person is normal or abnormal is currently impossible. Dentistry has no standard that is agreed upon to evaluate the patient’s bite condition as normal
  2. 2. POSTURE AND YOUR BITE or abnormal. However if one focuses on the fact the occlusal plane and the unique posture of each person are correlated, it becomes clear that observation of posture is probably an objective indicator of the bite state. Each person’s unique bite is a plane determined by the Y- axis of the trunk of the body and position of the head. This concept is defined as ideal occlusion, which is geometrically
  3. 3. POSTURE AND YOUR BITE expressed in Figure 1 series 5 ( C.M. Guzay 1977 ). . If the bite is overclosed for some reason, the bite surpasses the X- axis plane and takes place above the X-axis.This clarifies the fact that the bite forces acts at this time on the A- teeth, B-temporomandibular joint and C- cervical vertebrae and becomes a latent cause for temporomandibular joint disease and cervical problems. This condition is defined as being
  4. 4. POSTURE AND YOUR BITE in a state of pathological occlusion which is geometrically expressed in Figure 1 series 6. This is where moire topography comes into practice. The posture photo is taken to evaluate each individual’s Y-axis of the trunk of their body and position of their head. If the posture is correct we can project the objective indicator of the bite is normal as discussed earlier in ideal occlusion. If on the other hand the posture is not correct we can define the bite as abnormal. The treatment for abnormal occlusion or posture imbalances
  5. 5. POSTURE AND YOUR BITE involves a bite elevation device called a template(splint). The template is balanced for each patient over time until the posture is corrected and clinical signs reduced. The clinical results of template insertion are correction of improper posture, analgesic effect including headache relief,correction of the arrangement of cervical vertebrae, improvement of cerebrovascular circulation, correction of TMD and improvement in athletics by increasing motor ability such as muscle strength level and athletic performance and decreasing concussions especially in contact sports. In conclusion, we are able to evaluate our patient’s bite through a moire topograghical picture and base our treatment on the results. We are now able to help many postural concerns by understanding the close relationship between the axis of the trunk of the body and position of the head.