Lower right first and second molar missings were restored by unilaterally designed removable partial denture, not to disturb the phonetic function. Terminal abutment teeth were splinted and ASC52 attachment aws used as a direct retainer. After that, oral examination and Roentgenographic examination were done periodically for 2 years. There were no remarkable changes on the abutment teeth and its surrounding structures. Also, there no phonetic disturbances by the appliance.