Primarily used for premolars, incisors and canines."
"MA Dental's Columbia 4L-4R universal curette is an IDX Sharp instrument designed for removing heavy and moderate calculus from the subgingival and supragingival tooth surface. It is completely sharpen-free, refined, and tough, and provides long-lasting sharpness. It is regarded as an ideal instrument for dentists and hygienists seeking low-maintenance dental instruments with high precision and long-lasting sharpness. Furthermore, it is mostly used for premolars, incisors, and canines."