Journal of Peking University (Health Sciences) ›› 2023, Vol. 55 ›› Issue (4): 766-封三. doi: 10.19723/j.issn.1671-167X.2023.04.033

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玥 雷,颖婷 杨,海华 雷*()   

  • Received:2020-10-11 Online:2023-08-18 Published:2023-08-03
  • Contact: 海华 雷 E-mail:leihh@bjmu.edu.cn

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CLC Number: 

  • R788.5

Figure 1

Eruption guidance appliance for ectopic eruption of the first permanent molar A, guide template; B, horizontal view of the orthodontic appliance; C, coronal view of the orthodontic appliance."

Figure 2

Ectopic eruption of the right maxillary first permanent molar of patient 1 A, before treatment; B, after treatment."

Figure 3

Ectopic eruption of the right mandibular first permanent molar of patient 2 A, before treatment; B, eight weeks after starting treatment; C, sixteen weeks after starting treatment."

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