Therefore, a deep understanding of the temporal and sequential characteristics of permanent teeth eruption will help dentists in the prevention and treatment of dental diseases.
因此，了解乳恒牙替换的时间和规律，为口腔医生对儿童口腔疾病的预防和治疗提供了参考依据。
The eruption of permanent teeth has certain characteristics, mainly temporal and sequential.
恒牙萌出有一定的规律，主要表现在时间和顺序两个方面。
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