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Normal Occlusion & it’s Significance

  • DEVELOPMENT OF OCCLUSION.
  • DENTAL ARCH FORM.
  • COMPENSATING CURVATURES OF THE DENTAL ARCHES.
  • ANGULATION OF INDIVIDUAL TEETH IN RELATION TO VARIOUS PLANES.
  • FUNCTIONAL FORM OF THE TEETH AT THEIR INCISAL AND OCCLUSAL THIRDS .
  • FACIAL AND LINGUAL RELATIONS OF EACH TOOTH IN ONE ARCH TO IT’S ANTAGONIST OR  ANTAGONIST IN THE OPPOSING ARCH IN CENTRIC OCCLUSION.
  • OCCLUSAL CONTACT AND INTERCUSP RELATIONS OF ALL THE TEETH OF ONE ARCH WITH THOSE IN THE OPPOSING ARCH IN CENTRIC OCCLUSION.
  • OCCLUSAL CONTACT AND INTERCUSP RELATIONS OF ALL THE TEETH DURING VARIOUS FUNCTIONAL MANDIBULAR MOVEMENTS.
  • NEUROBEHEAHAVIORAL ASPECTS OF OCCLUSION
  • The interest to the orthodontist is that –
  •     -The mandibular second deciduous molar has a greater mesiodistal diameter then the maxillary second molar this difference in dimensions of the teeth results in the distal surfaces of these two molars being in same plane i.e. flush terminal plane at the end of the deciduous dentition.
  •     – If a deviation at the flush terminal plane occur because of carious lesions and others disturbances, it has been suggested that there is a tendency to interfere with the development of normal occlusion relations of the permanent first molar.

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