Abstract: A device for securing one or a plurality of teeth to the alveolar bone (60) of a patient is disclosed. The device includes osseointegratable parts (80), each of which has a screw-threaded fixture part (2a), an intermediate part (6a) and a head part (44a) which is generally dome-shaped A bridge (48) which may support one or a plurality of teeth is arranged to co-operate with the osseointegratable part (80) by means of dimples (52) in the bridge engaging respective head parts (44a), the bridge being secured in position by respective screws (62). As an alternative to a one-piece osseointegratablc part (80), an osseointegratable part which comprises three components is also described. A method of securing one or a plurality of teeth to the alveolar bone, a method of cosmetic treatment and a method of manufacturing parts of the device are also described.