Method Self-made questionnaire was used to investigate the reasons for dental fear in 500 children during dental treatment.
方法采用自行设计的问卷，调查500例儿童在牙病诊治过程中产生畏惧的原因。
Method Self-made questionnaire was used to investigate the reasons for dental fear in 500 children during dental treatment.
方法采用自行设计的问卷，调查500例儿童在牙病诊治过程中产生畏惧的原因。
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