A device for determining the relative positions of an upper and lower jaw has an upper carrier with an upper contact surface for the upper jaw and a lower carrier with a lower contact surface for the lower jaw, wherein the carriers in a position of use correspond to the device with an upper jaw and a lower jaw. In addition, the device has a system for detecting the relative spatial positions of the upper and lower carriers with respect to one another.

A device for determining the relative positions of an upper and lower jaw has an upper carrier with an upper contact surface for the upper jaw and a lower carrier with a lower contact surface for the lower jaw, wherein the carriers in a position of use correspond to the device with an upper jaw and a lower jaw. In addition, the device has a system for detecting the relative spatial positions of the upper and lower carriers with respect to one another.

An ablation procedure. The ablation procedure may be applied to tooth buds 120 and result in tooth agenesis. The ablation procedure may be applied to lesions or tumors. A tooth bud ablation system for use in a tooth bud ablation procedure that results in tooth agenesis. A method for volume scanning both hard tissues and soft tissues of a patient. A method for manufacturing or fabricating a custom surgical stent 110. A custom surgical stent 110 for use in a tooth bud ablation procedure that results in tooth agenesis, the custom surgical stent 110 for use with an ablation probe tip 108 having a center of ablation 130a.