Type-based Root Canal Files segmentation differentiates instruments by metallurgy and kinematics, shaping procurement cycles and pricing tiers. Stainless-steel K-files and H-files remain the reference standard for glide-path negotiation, representing ~35 % of units but <15 % of dollar value due to low ASP and reuse protocols in cost-sensitive regions. Conventional NiTi rotary files hold a 45 % share by revenue; super-elasticity commands a 4–5× price premium over steel, offset by fewer separations and faster shaping times. Controlled-memory NiTi—an annealed subset—adds another 10 % share, valued in narrow-curvature cases where cyclic fatigue resistance outweighs higher unit cost. Reciprocating NiTi systems, engineered for single-file shaping, claim ~8 % of revenues despite low penetration, because end-users accept premium pricing to reduce inventory. Specialty files—safety-tip, taper-locked, or coated variants—capture the residual share, illustrating how metallurgical innovation within the Root Canal Files segmentation framework directly expands addressable market value.