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Fig. 1 | BMC Oral Health

Fig. 1

From: New experimental setup for the measurement of cleaning efficacy and force of interdental aids in 3D-reproduced interdental areas

Fig. 1

a Illustration of the test devices for interdental cleaning (from left): interdental rubber picks with slat-design (IRP-S) and with finger-design (IRP-F) (magnification showed in detail the different design of interdental rubber picks, each the largest test diameter). IRP-S size S/M ISO 1-4, IRP-S size L/XL ISO 3-6, IRP-F size small ISO1, IRP-F size regular ISO 2 and IRP-F size large ISO 4. The working part of the IRP-S is 21 mm with a taper of 0.04 of the core, while the IRP-F is 16 mm with a taper of 0.05 of the core. b Illustration of four different morphologies of artificial interdental areas (from left: isosceles triangle, concave space of 3 mm height, concave space of 5 mm height and convex; all shown morphologic in size 1.3 mm)

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