Patent ID: 8640338

Claim:
A method for producing a dentist tool comprising an overlay configured to be used by a dentist with at least one dentist cutting tool in removing tooth structure from a tooth, said method comprising: determining a predetermined part of tooth structure to be removed so as to prepare a tooth for further treatment; determining an overlay fitting said tooth and fitting at least a part of a neighboring tooth of said tooth; simulating a predetermined horizontal movement to be followed by at least one dentist cutting tool in order to remove at least a portion of said predetermined part of tooth structure; determining a first guiding edge within said overlay, said first guiding edge corresponding to said predetermined horizontal movement; determining a second guiding edge within said overlay that is spaced apart from said first guiding edge by a distance d, said second guiding edge corresponding to said predetermined horizontal movement, said first and second guiding edges thereby being provided to contact said dentist cutting tool so as to guide a horizontal movement of said dentist cutting tool such that said dentist cutting tool follows said predetermined horizontal movement for removal of at least said portion of said predetermined part of tooth structure to be removed; and producing said determined overlay with said first and second guiding edges.