Oscillating Disc 0.15 Fine

Product Description

The new OS Discs are a 60° segment disc with a radius of 1.4 cm and a pivoting angle of 30° (Figure 2). This makes the OS Discs the proper instruments to be used even in the narrowest areas without the need for a disc guard.

Compared to the other rotary cutting discs with a full radius of up to 2.2 cm in diameter and a disc guard, the OS Discs offer the best features of interproximal enamel reduction in hard-to-reach areas. Thanks to their patented honeycomb design, the OS Discs provide optimal vision and excellent grinding efficiency leading to absolutely convincing results.

The OS Discs were designed to be used in the oscillating KOMET handpiece OS30. When using the micro-motor at full capacity, an effective performance of 5,000 oscillations per minute is reached. At the motor’s maximum capacity, an effective performance of 2,500 oscillations per minute can be reached, and the OS Discs must be guided from the occlusal side through the contact point in a slow but continuous movement. Fifteen different OS Discs are available: nine in fine grit, six in medium grit. Out of the 15, eight are one-sided and seven are two-sided, and come in a variety of thicknesses (0.13 mm to 0.45 mm).

Clinical Application

To minimize the risk of removing excessive enamel substance, the tooth width should be measured with a sliding caliper before use and also during the enamel reduction. Alternatively, a thickness gauge can be used to measure the thickness of the removed enamel.

Before stripping, the interdental contact should be eliminated using the KOMET diamond strips with honeycomb design (the yellow strip should be used first because it is the thinnest). According to the amount of enamel to be reduced, the corresponding segment disc type is chosen: OS Discs with medium grit (blue ring) for higher substance removal, and with fine grit (red ring) for less substance removal. The OS Discs are used in subsequent order (from the thinnest to the thickest). The OS Disc is moved in an occlusal to cervical direction, and the treated teeth should be aligned in a straight line.