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 have a certain amount of time and sequence.
恒牙的萌出有一定的时间和次序。
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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