Table 2 comparison between osteoblast count per photomicrograph after 4 and 8 weeks in test and control groups.

Osteoblast count per photomicrograph	Control group	Test group	Unpaired t-test	P value
After 4 weeks
Range	69–81	97–108
Mean	77.00	101.86	7.98	0.001^a
S.D.	4.04	4.06
95.0% C.I.	73.3–80.7	98.1–105.6
After 8 weeks
Range	56–68	67–75
Mean	61.71	70.43	4.21	0.003^a
S.D.	4.46	2.82
95.0% C.I.	57.6–65.8	67.8–73.03
Paired t-test	6.21	8.21
P value	0.002^a	0.001^a

Unpaired t-test was used to compare between the two studied groups at the same time.
Paired t-test was used to compare between the interval times in the same group.
P was significant if ≤0.05.
^aSignificant difference.

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