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Table 4 Readings for thickness of repair cementum

From: Comparison of 4 and 6 weeks of rest period for repair of root resorption

Group Number Mean Standard deviation Median Minimum reading Maximum reading
A 13 44.59 25.81 36.79 11.57 77.34
B 15 127.88 77.19 136.31 24.46 244.34
P value   0.003*     
  1. All readings in micrometer
  2. *P < 0.05 = significant