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Progress in Orthodontics

Table 4 Interphase changes in the frequency of mandibular incisor gingival recession (McNemar’s tests)

From: Mandibular incisor inclination and gingival recession after treatment with the Jasper Jumper: a 10-year follow-up

Recession status

Time

 

T1

T2

P

T2

T3

P

T1

T3

 

Presence of gingival recession

6

12

0.070

12

24

0.008*

6

24

0.000*

Absence of gingival recession

58

52

 

52

40

 

58

40

 
  1. T1—Pretreatment; T2—Posttreatment; T3—Follow-up
  2. *Statistically significant at P < 0.05
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