Instrumental striations on the El Sidrón immature Neandertals.

The results for the analysis of the number of instrumental striations (n) counted on each tooth and the number according to their orientation through the occlusal/incisal plane on the El Sidrón adolescent and juvenile Neandertals. * Indicate deciduous teeth. RC: right canine; RI2: right lateral incisor; RI1: right central incisor; LI1: left central incisor; LI2: left lateral incisor; LC: left canine. RO: right-oblique orientation; LO: left-oblique orientation; V: vertical orientation; H: horizontal orientation.