BMC Oral Health

Table 3 The dimensional differences in the horizontal dimensions of the periodontal lesion on the digital radiographs between the two successive periodic examinations

From: Platelet rich fibrin and MTA in the treatment of teeth with open apices

	Minimum	25th percentile	Median	75th percentile	Maximum	Friedman test
T_0 − 1	0.8000	1.382	2.095	3.897	6.480	< 0.001817*
T_1 − 2	0.1100	0.677	1.285	2.457	4.090
T_2 − 3	-0.9500	0.000	0.865	2.482	3.480
T_3 − 6	0.0000	0.000	0.000	0.830	2.450

T_0 − 1, T_1 − 2, T_2 − 3, and T_3 − 6 differences in lesion width between the two successive periodic examinations at the beginning and the first month,the first and the second month, the second month and the third month, and the third month and the sixth month, respectively
* P < .05, Friedman test

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ISSN: 1472-6831

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