DEVELOPMENT OF OCCLUSION
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INTRODUCTION
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Development of Dentition and its Contribution to Occlusion
Pre-dentition Stage Primary Dentition Stage Mixed/Transitional Dentition Stage Permanent Dentition Stage
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Pre-dentition Stage
Description of Gum Pads Relationship between the Gum Pads
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Relationship between the Gum Pads
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Primary Dentition Stage
Spaces in anterior region
Primate spaces
Primary molar relationship Temporary anterior deep bite
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Spaces in anterior region and its significance
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Table and sequence of eruption of primary dentition
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Primary molar relationship and its significance
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Temporary anterior deep bite ď Ž ď Ž
Retruded mandible More upright incisors
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Mixed dentition stage
Eruption of permanent first molar Events of clinical importance during incisor exchange Eruption of buccal teeth and the significance of sequence of eruption
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Eruption of first permanent molars ď Ž
ď Ž
Path and pattern of eruption of molars in each jaw Changes in their occlusal relationship till occlusion gets settled
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Position and pattern of eruption of molars in each jaw
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Changes in their occlusal relationship of the molars
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Eruption of incisors ď Ž ď Ž
Incisal liability Ugly duckling stage
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Incisal liability
Interdental space utilization Increase in intercanine width Change in incisor inclination
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Increase in intercanine width
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Increase in incisal inclination
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Ugly duckling stage ď Ž
Path of eruption of canine
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Ugly duckling stage
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Eruption of buccal teeth
Sequence of eruption Utilization of Leeway space of Nance
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Permanent dentition stage ď Ž ď Ž
Second molar eruption Third molar eruption
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Skeletal changes and their contribution to occlusion ď Ž
ď Ž
Rotation of maxilla and mandible as they grow. Juvenile occlusal equilibrium.
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Rotation of mandible
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Backward rotation
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Rotation of maxilla
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Jaw rotation & its significance in occlusion
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Juvenile occlusal equilibrium
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Soft tissue and neuro- muscular contribution to occlusion ď Ž ď Ž
Buccinator mechanism Example of neuro-muscular control over occlusion.
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www.indiandentalacademy.com Leader in continuing dental education
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