Table 2.

Intra-group differences in intercanine width (Friedman test)

CG
Delta 0–1	Delta 1–2	Delta 2–3
***	***	***
SG
Delta 0–1	Delta 1–2	Delta 2–3
***	***	***

Notes: t₀=at baseline; t₁=after 4 months; t₂=after 8 months; t₃=after 12 months. Delta 0–1=difference between t₀ and t₁, Delta 1–2=difference between t₁ and t₂, Delta 2–3=difference between t₂ and t₃, ***P<0.001.

Abbreviations: CG, control group; SG, study group.