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IDR 1.0 mm
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IDR 1.1 mm
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IDR 1.3 mm
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Isosceles triangle
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Convex
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Concave
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Isosceles triangle
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Convex
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Concave 3 mm/5 mm
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Isosceles triangle
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Convex
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Concave
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Experimental cleaning efficacy (ECE in %)
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IDB ISO 1 0.8 mm
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81.7 ± 3.6
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40.5 ± 2.8
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53.3 ± 10.8
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n.a
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n.a
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n.a
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n.a
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n.a
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n.a
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IDB ISO 2 0.9 mm
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84.2 ± 3.5
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44.9 ± 2.4*
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60.8 ± 10.5
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76.9 ± 4.1
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48.5 ± 2.8
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53.8 ± 13.6
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77.8 ± 5.3
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47.8 ± 2.1*
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48.3 ± 10.3*
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IDB ISO 3 1.2 mm
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n.a
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n.a
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n.a
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n.a
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n.a
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43.7 ± 3.8*
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79.6 ± 3.7
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55.3 ± 2.1*
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55.9 ± 11.2*
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IDB ISO 4 1.4 mm
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n.a
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n.a
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n.a
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n.a
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n.a
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54.3 ± 2.5
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n.a
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n.a
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61.1 ± 2.8****
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IRP ISO 2 0.9–1.0 mm
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41.6 ± 4.2*
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13.9 ± 1.5*
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14.8 ± 3.3*
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29.1 ± 7.4
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12.2 ± 1.7*
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11.3 ± 1.7*
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28.7 ± 5.3*
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10.2 ± 2.3*
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15.1 ± 3.8*
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Force for cleaning (ECF in N)
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IDB ISO 1 0.8 mm
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0.4 ± 0.1*
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0.2 ± 0.0*
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0.3 ± 0.0*
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n.a
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n.a
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n.a
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n.a
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n.a
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n.a
|
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IDB ISO 2 0.9 mm
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0.7 ± 0.1*
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0.4 ± 0.1*
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0.5 ± 0.1*
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0.7 ± 0.1*
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0.4 ± 0.1
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0.4 ± 0.1*
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0.5 ± 0.0*
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0.3 ± 0.0*
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0.4 ± 0.1*
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IDB ISO 3 1.2 mm
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n.a
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n.a
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n.a
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n.a
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n.a
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0.8 ± 0.1***
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1.2 ± 0.1*
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0.9 ± 0.1*
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0.8 ± 0.2*
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IDB ISO 4 1.4 mm
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n.a
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n.a
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n.a
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n.a
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n.a
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1.9 ± 0.4*
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n.a
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n.a
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1.5 ± 0.2*
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IRP ISO 2 0.9–1.0 mm
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1.4 ± 0.2*
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0.7 ± 0.1*
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1.4 ± 0.3*
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0.8 ± 0.1*
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0.7 ± 0.2*
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0.8 ± 0.4*
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0.3 ± 0.1*
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0.4 ± 0.2*
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0.6 ± 0.4*
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- Force during ten cleaning cycles (mean ± SD) for cleaning different types (isosceles triangle, convex, concave) and sizes (1.0 mm, 1.1 mm, 1.3 mm) of the interdental area separated for the tested interdental brushes (IDB) versus interdental rubber picks (IRP). We assumed p < 0.05 (in bold) to be statistically significant (Mann–Whitney-U-test, Kruskal–Wallis-test, two sided)
- *Significant difference to all other tested products
- **Significant difference to IDB 0.9 and IRP
- ***Significant difference to all tested sizes of IDB
- ****Significant difference to all tested products except for IDB ISO 4
