This International Standard specifies requirements for torque transmitters and rotary instruments to be used in oral implantology in conjunction with a dental handpiece as an accessory in the placement of dental implants and the further manipulation of connecting parts in the craniofacial area. This International Standard applies to torque transmitters used for placement and for removal in the oral cavity of the patient which are be connected to power-driven systems, but does not apply to the power-driven systems themselves. This International Standard does not include the dental implant nor parts that would be connected to it. With regard to safety, this International Standard gives requirements for classification, intended performance, performance attributes, material selection, performance evaluation, manufacture, reprocessing and information to be supplied by the manufacturer.