Endodontic post and method of treatment

Claim 2

A dental post able to provide blood circulation within a tooth after insertion of the post into the root canal area of a tooth, said dental post comprising: an upper post portion for support of an artificial crown; a lower post portion for uncemented insertion into the root canal area of a tooth; a plurality of projection threads extending from said lower post portion for uncemented engagement with the sides of a tooth; a plurality of blood circulation valley areas between said projection threads on said lower post portion, said valley areas forming a plurality of empty chambers for the circulation of blood after said projection threads have engaged the sides of a tooth; and at least one empty channel for blood circulation extending generally perpendicular to and intersecting said valley areas on said lower post portion, said empty channel providing circulation of blood between said chambers after uncemented insertion of said lower post portion into a tooth.

Claim 3

The dental post as recited in claim 1 wherein a plurality of said empty channels are disposed on said lower post portion.

Claim 4

The dental post as recited in claim 2 wherein four empty channels are disposed at 90° to one another on said lower post portion.

Claim 5

The dental post as recited in claim 1 further comprising means to assist in retaining an artificial crown on said upper post portion.

Claim 6

The dental post as recited in claim 4 wherein said means to assist in retaining said artificial crown comprises a plurality of concave dimples defined in said upper post portion.

Claim 7

The dental post as recited in claim 5 further comprising rotation device engagement means including a slot disposed in said upper post portion and wherein said upper post portion is formed as a rectangle.

Claim 8

A dental crown structure able to provide blood circulation within a ground down tooth, said dental crown structure comprising: a reamed hole in the root canal area of a ground down tooth; an aperture in the tooth extending from said reamed hole to the exterior of the tooth below the gum line; a dental post inserted in said reamed hole, said dental post being comprised of: an upper post portion for support of an artificial crown, a lower post portion for uncemented insertion into said reamed hole, a plurality of projection threads extending from said lower post portion which engage the sides of said reamed hole, a plurality of empty chambers for blood circulation on said lower post portion between said engaged projection threads, at least one empty channel for blood circulation extending generally perpendicular to and intersecting said empty chambers on said lower post portion; and an artificial crown anchored to said upper post portion of said inserted dental post.

Claim 9

A dental crown structure able to provide blood circulation within a ground down tooth, said dental crown structure comprising: a reamed hole in the root canal area of a ground down tooth; an aperture in the tooth extending from said reamed hole to the exterior of the tooth below the gum line; a dental post inserted in said reamed hole, said dental post being comprised of: an upper post portion for support of an artificial crown, a lower post portion for uncemented insertion into said reamed hole, a plurality of projection threads extending from said lower post portion which engage the sides of said reamed hole, a plurality of empty chambers for blood circulation on said lower post portion between said engaged projection threads, at least one empty channel for blood circulation extending generally perpendicular to and intersecting said empty chambers on said lower post portion; and an artificial crown anchored to said upper post portion of said inserted dental post.

Claim 12

The method as recited in claim 8 further comprising the step of drilling an aperture extending from the root canal to the exterior of the tooth at a point beneath the gum line prior to providing said dental post.

Claim 13

The method as recited in claim 8 or 9 further comprising the steps of: reaming a dental post receipt hole in the root canal area; and inserting said dental post in said reamed receipt hole.