International Scholarly Research Notices / 2013 / Article / Tab 2 / Research Article
Synergistic Effects of Nonthermal Plasma and Disinfecting Agents against Dental Biofilms In Vitro Table 2 Linear regression models evaluating effects of different agents and plasma procedures on lg (CFU/mL + 1) for S. mutans , saliva, and subgingival biofilms (first agent then plasma).
S. mutans (
,
Saliva (
,
) Subgingival (
,
) B (95% CI)P B (95% CI)P B (95% CI)P Agent (ref. NaCl control) CHX −1.78 (−2.06; −1.50) <0.001 −0.29 (−0.59; 0.02) <0.001 −0.74 (−1.12; −0.36) <0.001 OCT −1.84 (−2.12; −1.56) <0.001 −0.79 (−1.10; −0.49) <0.001 −1.54 (−1.91; −1.16) <0.001 PHMB −2.51 (−2.81; −2.22) <0.001 −0.87 (−1.22; −0.53) <0.001 −0.96 (−1.34; −0.58) <0.001 NaOCl −6.91 (−7.20; −6.61) <0.001 −2.39 (−2.89; −1.90) <0.001 −1.76 (−2.14; −1.38) <0.001 H2 O2 −6.91 (−7.19; −6.63) <0.001 −1.50 (−1.94; −1.06) <0.001 −1.89 (−2.27; −1.51) <0.001 EDTA −1.11 (−1.38; −0.84) <0.001 −0.64 (−1.08; −0.19) 0.005 −1.74 (−2.12; −1.36) <0.001 Procedure (ref. control) Ar gas −0.35 (−0.63; −0.07) 0.02 −0.42 (−0.76; −0.07) 0.02 −1.34 (−1.64; −1.04) <0.001 Ar plasma −2.10 (−2.34; −1.87) <0.001 −1.49 (−1.76; −1.22) <0.001 −2.16 (−2.46; −1.86) <0.001 Interaction agent × procedure CHX × Ar gas 0.18 (−0.25; 0.60) 0.42 −0.68 (−1.17; −0.19) 0.008 0.24 (−0.31; 0.79) 0.40 OCT × Ar gas 0.29 (−0.14; 0.71) 0.19 −0.58 (−1.10; −0.61) 0.03 0.22 (−0.33; 0.78) 0.43 PHMB × Ar gas −0.53 (−0.99; −0.07) 0.02 0.15 (−0.44; 0.75) 0.61 0.44 (−0.12; 0.99) 0.12 NaOCl × Ar gas 0.35 (−0.10; 0.79) 0.12 −0.07 (−0.78; 0.64) 0.84 1.35 (0.80; 1.91) <0.001 H2 O2 × Ar gas 0.35 (−0.09; 0.78) 0.12 0.08 (−0.59; 0.75) 0.81 1.38 (0.83; 1.94) <0.001 EDTA × Ar gas 0.19 (−0.22; 0.61) 0.36 0.32 (−0.33; 0.98) 0.33 1.05 (0.50; 1.61) <0.001 CHX × Ar plasma 1.93 (1.53; 2.33) <0.001 0.08 (−0.34; 0.50) 0.72 0.91 (0.35; 1.46) 0.001 OCT × Ar plasma 2.09 (1.70; 2.49) <0.001 −0.51 (−0.92; −0.10) 0.02 1.70 (1.15; 2.25) <0.001 PHMB × Ar plasma 1.26 (0.85; 1.68) <0.001 0.80 (0.35; 1.25) 0.001 1.04 (0.49; 1.60) <0.001 NaOCl × Ar plasma 2.10 (1.70; 2.51) <0.001 0.81 (0.16; 1.47) 0.02 2.27 (1.72; 2.82) <0.001 H2 O2 × Ar plasma 2.10 (1.70; 2.50) <0.001 0.57 (−0.05; 1.19) 0.07 1.12 (0.57; 1.67) <0.001 EDTA × Ar plasma 0.44 (0.04; 0.84) 0.03 −0.69 (−1.31; −0.08) 0.03 1.82 (1.26; 2.37) <0.001
Ar: argon; CHX: 0.1% chlorhexidine; OCT: 0.1% octenidine; PHMB: 0.1% polyhexanide; NaOCl: 0.6% sodium hypochlorite; H2 O2 : 1.5% hydrogen peroxide; EDTA: 20% ethylenediaminetetraacetic acid.
