<Li> The most common unfavorable sequel of serial extraction is deepening of bite . Uprighting of incisors and early loss of posterior teeth may result in deep bite . A simple palatal bite plate may correct this problem . </Li> <Li> Paralleling the roots of teeth contiguous to the extraction sites is usually easy with the autonomous approximation to various degrees before mechanotherapy . </Li> <Li> Retention demands are significantly less following serial extraction . However it is better to follow a regular retention regimen for the first six months against possible relapse of rotations and to allow settling of the occlusion . A maxillary Hawley type retainer and a bonded mandibular canine to canine retainer make an efficient retention regimen . </Li>

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