Journal of Dental Hygiene Science : eISSN 2233-7679

Table 1

Change of Cycle Threshold Values in Real-Time Polymerase Chain Reaction on Each Bacteria in the Saliva of 11 Stop-Smokers

BacteriaBaseline2 weeks2 months4 months6 months12 monthsp-value
16S rRNA19.26±2.69 (14.3~21.6)18.24±3.26 (11.7~22.6)17.69±2.03 (14.1~20.6)21.22±2.52 (16.9~25.4)16.00±2.86 (12.9~22.4)17.91±3.17 (14.5~24.5)0.001
Porphyromonas gingivalis35.56±5.43 (25.3~40.0)30.91±5.67 (23.0~40.0)32.25±6.56 (21.3~40.0)36.28±4.96 (28.5~40.0)31.88±7.01 (21.8~40.0)31.78±6.01 (24.4~40.0)0.031
Fusobacterium nucleatum27.05±2.53 (21.8~30.7)24.48±3.73 (19.3~31.9)24.91±3.24 (18.5~30.6)28.32±4.74 (22.2~40.0)23.18±2.75 (18.4~26.6)22.77±1.25 (21.3~25.3)0.001
Prevotella intermedia34.91±4.97 (28.8~40.0)33.36±7.38 (21.5~40.0)33.28±5.79 (25.80~40.0)34.20±5.12 (27.7~40.0)29.87±7.39 (20.1~40.0)30.83±7.05 (20.9~40.0)0.002
Streptococcus mutans33.51±6.90 (20.8~40.0)33.87±7.22 (23.1~40.0)30.99±8.04 (19.3~40.0)36.05±6.73 (21.8~40.0)34.29±6.88 (22.6~44.0)35.21±5.68 (27.2~40.0)0.148
Treponema denticola31.00±4.86 (25.8~40.0)29.27±6.10 (20.9~40.0)30.70±6.30 (23.7~40.0)31.67±4.80 (25.1~40.0)27.24±5.27 (20.4~40.0)27.15±4.78 (23.4~40.0)<0.001
Streptococcus sobrinus39.04±3.20 (29.4~40.0)38.61±4.61 (24.7~40.0)37.64±7.84 (14.0~40.0)37.93±4.61 (28.5~40.0)38.66±4.43 (25.3~40.0)38.98±3.38 (28.8~40.0)0.493

Values are presented as mean±standard deviation (minimum~maximum).

J Dent Hyg Sci 2019;19:213-9 https://doi.org/10.17135/jdhs.2019.19.4.213
© 2019 J Dent Hyg Sci