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Table 7 Frequency distribution of pulp vitality test results in the two groups

From: Effect of laser corticotomy on canine retraction rate: a split-mouth randomized clinical trial

Response

Lateral incisor

Canine

Second premolar

Corticotomy

Control

Corticotomy

Control

Corticotomy

Control

Time 0

Time 1

Time 0

Time 1

Time 0

Time 1

Time 0

Time 1

Time 0

Time 1

Time 0

Time 1

Positive

%83.33

(n:10)

%83.33

(n:10)

%100

(n:0)

%100

(n:0)

%91.66

(n:11)

%91.66

(n:11)

%75

(n:9)

%75

(n:9)

%83.33

(n:10)

%83.33

(n:10)

%75

(n:9)

%66.66

(n:8)

Negative

%16.66

(n:2)

%16.66

(n:2)

%0

(n:0)

%0

(n:0)

%8.34

(n:1)

%8.34

(n:1)

%25

(n:3)

%25

(n:3)

%16.66

(n:2)

%16.66

(n:2)

%25

(n:3)

%33.34

(n:4)

Total

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

100%

(n:12)

  1. Time 0: Before laser corticotomy; Time 1: 1 month after laser corticotomy
  2. Chi-square test