Drill guide

A drill guide and dental drill for use with the drill guide comprising:

• a dental drill having a drill shaft including a guiding area and a narrower insertion area,
• the drill guide comprising
• two guide sleeves;
• a grip, the grip having a top face and an underside and at least one of the guide sleeves protruding from the underside of the grip,
• each of the guide sleeves having a bearing surface formed by an essentially circular, radial protrusion on the guide sleeve intended to bear at least partially on a template or a drill sleeve, and the guide sleeve having a lower portion extending below the bearing surface having an external diameter that fits into a drill hole of a template or a drill sleeve,
• each of the guide sleeves being essentially hollow and cylindrical and having an upper end and a lower end, and each of the guide sleeves having an internal diameter sized to correspond to the guiding area of the drill shaft,
• wherein each of the guide sleeves have a longitudinal slit extending from the upper end to the lower end of the guide sleeve, and
• the longitudinal slit has a width greater than the insertion area of the drill shaft to allow for lateral insertion of the dental drill into the drill guide, and
• wherein a distance d from the bearing surface to the upper end of one of the two guide sleeves is different from a distance d′ from the bearing surface to the upper end of the other of the two guide sleeves.