Cultivable Anaerobic Microbiota of Infected Root Canals

Table 1

Clinical features of subjects and bacterial amounts in the present study.

Case	1	2	3	4	5	6	7	8	9	Mean ± SD
Age	63	63	34	34	34	71	61	59	60	53.2±14.8
Gender	F	M	F	F	F	F	F	F	M
Tooth^a	15	31	34	35	17	23	13	32	47
Size of lesion^b	4	6	—	—	1	2	3	3	3
CFU	8.0 × 10^1	1.0 × 10^4	3.1 × 10^6	1.5 × 10^6	1.4 × 10^5	7.0 × 10^3	1.5 × 10^4	2.7 × 10^2	9.0 × 10^3	(0.5±1.1)×10^6

^aA tooth of sampling site is expressed by the FDI two-digit notation.
^bSize (mm) of lesion of periapical periodontitis estimated by X-ray examination.