A retrospective study of 50 treatments using an appliance to produce localised occlusal space by relative axial tooth movement.

This paper describes the use of 50 appliances which have been used to produce a localised occlusal space prior to the restoration of teeth. These were provided for 45 patients aged 19 to 69 years at the Eastman Dental Hospital London between 1981 and 1994. The concept is similar to that described by Dahl, the space being produced by the teeth in contact with the appliance being intruded and those out of contact over erupting. Many of the appliances however differed from those originally described by Dahl.