For effective and pleasant removal of supragingival calculus from anterior surfaces and interproximal areas. The NV1 SD sickle scaler features two different working ends that allow for efficient anterior instrumentation: the sickle-shaped end, with two cutting edges, is excellent for removing calculus and interproximal stains, while the disc end is effective for removing calculus and stains from the lingual surfaces of incisors. Also, refer to the posterior sickle scaler NV2 SD for removing calculus from posterior surfaces and interproximal areas.