Dental Occlusion

Dental Occlusion - • Class II malocclusion – Occurs...

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Dental Occlusion Lorem Ipsum Dolor 1 Dental Occlusion – the full contact in rest position of the chewing surfaces of the upper and lower teeth (Zemlin, 1998) – In a normal occlusion, opposing surfaces meet, and the forces generated by chewing re distributed over a larger area. – In malocclusion, only a few teeth may touch, resulting in the distribution of force over a smaller area during chewing. Class I (normal) – cusps of 1st mandibular molar interdigitate ahead and inside of the corresponding cusps of the opposing maxillary teeth.
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Unformatted text preview: • Class II malocclusion – Occurs when cusps of first mandibular molars are behind and insider the opposing maxillary molars – Most common – found in 45% of population – Results in increased overjet – Impression of receding chin (retrognathic jaw) – May be referred to as “over bite” • Class III malocclusion – Cusps of first mandibular molar interdigitate one or more teeth ahead of the opposing maxillary incisors – Impression of prognathic jaw – Referred to as “under bite” Lorem Ipsum Dolor 2...
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Dental Occlusion - • Class II malocclusion – Occurs...

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