DENTAL INSTRUMENT Russian patent published in 2017 - IPC A61C1/08 

FIELD: medicine.

SUBSTANCE: group of inventions includes: an overlay for directing a dental cutting tool while removing a predetermined tooth structure to be treated, a dental cutting tool (versions), a system for use by the dentist when removing a predetermined tooth structure from the tooth (versions) to be treated, and Lining, refers to the field of dentistry and is intended for use in the treatment and denture prosthetics. The patch for directing the dental cutting tool when removing a predetermined tooth structure from the tooth to be treated comprises: an inner surface, a first guide edge and a second guide edge. The inner surface has a shape and dimensions corresponding to the outer surface of the tooth to be treated, such that the inner surface is removably fixable on at least one portion of the tooth to be treated and a portion of the adjacent tooth with respect to the tooth to be treated. The first guide edge extends through the thickness of the lining, through the inner surface inclusive. The first guide edge has a contour corresponding to at least one of the horizontal, vertical and inclined motions to be repeated by the dental cutting tool. The second guide edge extends through the thickness of the patch, through the inner surface inclusive, and is removed from the first guide edge. The second guide edge has a contour corresponding to at least one of the horizontal, vertical and inclined motions to be repeated with a dental cutting tool.

EFFECT: inventions allow the exact removal of the damaged and/or infected tooth structure.

23 cl, 8 dwg