Optimal occlusal contacts and evaluating methods for occlusal diagnosis-A strategy to establish the evaluating methods for occlusion-

  • Nakano Masanori
    <I>Department of Fixed Prosthodontics, Institute of Health Biosciences, Graduate School, The University of Tokushima</I>

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  • 望ましい咬合接触と咬合評価のための各種検査法―咬合診断法確立に向けた戦略―
  • —A strategy to establish the evaluating methods for occlusion—
  • ―咬合診断法確立に向けた戦略―

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Occlusion is the basis of dentistry. It is necessary to have good occlusion to maintain a higher level of the QOL. But criteria of optimal occlusion have not been elucidated and we don't have a systematic diagnosing method of occlusion based on scientific evidences. In this symposium, four speakers gave their lectures on evaluating methods of occlusion or their opinions about the optimal occlusion with their thinking behind. In this paper I emphasized importance of objective evaluation of occlusion, and classified elements of occlusion into five as follows, l; maxillomandibular relation at the ICP (intercuspal position), 2; stability of occlusal contacts at the ICP, 3; position of occlusal contacts that guide mandibular movements, 4; directions of any excursion with occlusal contacts from ICP or to ICP and 5; position, curvature and smoothness of occlusal plane and dental arch. We have to select parameters that could represent each element of occlusion. Then we have to verify relation between various occlusal conditions and jaw function, whole body function and the QOL in basic and clinical researches. In order to carry them through, I think we have to establish a database on the stomatognathic functions and occlusion.


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