Age estimation with cemental incremental lines in normal and periodontally diseased teeth using phase contrast microscope: an original research

Egyptian Journal of Forensic Sciences

Table 1 Comparison of mean values of actual age and predicted age in both groups

Group	N	Actual age		Estimated age		Mean difference in age
Group	N	Mean	SD	Mean	SD	Mean	SD	t value	p value
Normal teeth	30	27.833	5.9659	28.903	6.1250	− 1.07	1.7	− 3.442	0.002^**
Periodontally compromised teeth	30	39.367	8.4261	40.393	8.4818	− 1.02	1.67	− 3.354	0.002^**