Apparatus is provided for use with a dental handpiece, a drill bit, an oral surgical guide, and a bushing disposed in the oral surgical guide. The apparatus includes a rigid guide-sleeve having a proximal end and a distal end. The proximal end of the guide-sleeve is removably couplable to a distal end of the dental handpiece, such that a distal outer surface of the guide-sleeve and a drill bit coupled to the distal end of the dental handpiece are coaxial along a central longitudinal axis of the drill bit. The distal end of the guide-sleeve is sized and shaped to be slidably couplable with the bushing, such that upon the guide-sleeve being advanced into the bushing the dental handpiece is forced to align the central longitudinal axis of the drill bit to be coaxial with a central longitudinal axis of the bushing.
