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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2009 Sep;108(3):e96–107. doi: 10.1016/j.tripleo.2009.05.024
Case Measurement
1
mm		 Measurement
2
mm		 Difference
1 2 4 −2
2 3 6 −3
3 2 6 −4
4 3 7 −4
n = 4 0.96 (Standard deviation of differences