Table 1.

Characteristics of participants in the study.

No	Gender	Age	aTooth extraction sites	Number of tooth extractions	Number of teeth before extraction	Number of teeth after extraction	Interval between initial and final panoramic radiography (days)
1	F	33	38	1	28	27	34
2	F	29	38, 48	2	30	28	49
3	M	28	38, 48	2	30	28	20
4	F	32	18, 28, 38, 48	4	32	28	309
5	F	25	18, 28, 38, 48	4	32	28	59
6	F	29	38, 48	2	30	28	84
7	F	21	38, 48	2	32	30	14
8	M	18	38	1	32	31	5
9	M	24	38, 48	2	30	28	35
10	F	21	28	1	31	30	119
11	F	33	Not applicable	0	27	27	199
12	F	33	38, 48	2	29	27	41
13	M	15	38, 48	2	32	30	78
14	F	36	28, 38, 48	3	31	28	49
15	M	27	18, 48	2	31	29	35
16	M	25	28, 38, 48	3	31	28	89
17	F	63	48	1	13	12	32
18	F	20	18, 28, 38, 48	4	30	26	149
19	F	28	38	1	31	30	21
20	F	24	38, 48	2	32	30	21
21	M	86	38	1	1	0	188
22	M	29	38	1	32	31	7
23	M	27	48	1	30	29	13
24	M	34	18, 17, 27	3	31	28	4
25	M	25	18, 38, 48	3	31	28	40
26	F	64	38	1	30	29	15
27	F	18	38, 48	2	32	30	30
28	M	42	18, 28, 38, 48	4	31	27	134
29	M	21	38, 48	2	31	29	36
30	M	20	38, 48	2	27	25	12
Average		31.00		2.03	29.00	26.97	64.03
Standard deviation		15.21		1.07	6.34	6.08	70.29

^aTooth numbering system proposed by the Fédération dentaire internationale (FDI).