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Progress in Orthodontics

Table 1 Descriptive analysis of the RME-E and RME-6 groups

From: 3D occlusal changes of upper first molars after rapid maxillary expansion on permanent versus deciduous teeth: a retrospective multicenter CBCT study

 

RME-E Group

RME-6 Group

Total sample

20

20

Male/female

10/10

10/10

Mean age (Years)

8.4 ± 1.1

12.6 ± 1.8

Range (Years)

6.9–10.9

6.7–14.9

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