Eruptive phase called "pre-functional eruptive phase" is when tooth moves in occlusal direction from its position in crypt toappears in oral cavity in functional occlusion position.Post-Eruptive phase called "functional eruptive phase" begins when teeth are in occlusion.2.3. Movement in this phase maintain positions of erupted teeth by accommodating for continued jaw growth and compensatingfor any proximal or occlusal wear of teeth.
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