Screw implant for a jawbone

Claim 2

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body, said shoulder extending into said implant neck and defining a bending zone, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said screw implant being defined by a single piece of a metallic material and said bending zone including means for bending by the action of said bending tool in the implanted state.

Claim 3

A screw implant of claim 1 wherein said implant body comprises a compression thread comprising concave thread turns.

Claim 4

The screw implant of claim 2 wherein the greatest depth of said individual thread turns is about one-third of the pitch h of said thread.

Claim 5

The screw implant of claim 2 wherein said thread turns have the shape of a circular arc and a radius of curvature r G of each thread turn greater than or equal to one-third of the pitch h of said thread.

Claim 6

The screw implant of claim 4 wherein said radius of curvature r G is equal to h/2.

Claim 7

The screw implant of claim 1 wherein said implant post is formed on a conical broadening region of said implant neck.

Claim 8

The screw implant of claim 6 wherein the number of bendings of said bending zone is 3 to 4 when the implant post is bent back and forth by 30 degrees.

Claim 9

The screw implant of claim 6 wherein said conical broadening region extends over the entire length of said implant post without interruption so that the guidelines are retained.

Claim 10

The screw implant of claim 1 wherein said bending zone has a diameter D B and a length L B , the ratio D B :L B being in the range of 1:1.5 to 1:3.

Claim 11

The screw implant of claim 1 wherein said implant neck has at least one broadening transition region bordering the bending zone and having a radius of curvature r A of 2 to 3 mm.

Claim 12

The screw implant of claim 1 wherein said bending zone has a bending radius r B of less than or equal to 3 mm at a bending zone angle α B of 30 degrees.

Claim 13

The screw implant of claim 1 wherein a free end of said implant post defines a spherical head.

Claim 14

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, said implant body comprising a compression thread having concave thread turns wherein said compression thread defines an outer boundary cone having an angle of opening α 1 and a core having a cone angle α 2 , the ratio of α 1 :α 2 being in the range of 1:0.6 to 1:1, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder formed at the upper end of said implant body and extending into said implant neck and defining a bending zone, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 15

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, said implant body comprising a compression thread having concave thread turns wherein said compression thread defines an outer boundary cone having an angle of opening α 1 and a core having a cone angle α 2 , the ratio of α 1 :α 2 being in the range of 1:0.6 to 1:1, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder formed at the upper end of said implant body and extending into said implant neck and defining a bending zone, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 16

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body, said shoulder extending into said implant neck and defining a bending zone, said implant post formed on a conical broadening region of said implant neck and comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, wherein the tensile strength of said implant neck is at least 2400 N at a bending angle α B of 30 degrees, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 17

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body, said shoulder extending into said implant neck and defining a bending zone, said implant post formed on a conical broadening region of said implant neck and comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, wherein the tensile strength of said implant neck is at least 2400 N at a bending angle α B of 30 degrees, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 18

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body and extending into said implant neck and defining a bending zone, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said coupling area comprising two flat areas opposite to one another in order to accept a rectangular key of said tool, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 19

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body and extending into said implant neck and defining a bending zone, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said coupling area comprising two flat areas opposite to one another in order to accept a rectangular key of said tool, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 20

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body, said shoulder extending into said implant neck and defining a bending zone having a diameter D B and a length L B , the ratio D B :L B being in the range of 1:1.5 to 1:3, said bending zone further having a bending radius r B of less than or equal to 3 mm at a bending zone angle α B of 30 degrees, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.

Claim 21

A screw implant for a jawbone comprising a threaded conical implant body adapted to be screwed into a jawbone, an attachment defining an implant neck and a conical implant post to accept a replacement tooth or substructure, and, an implant shoulder being formed at the upper end of said implant body, said shoulder extending into said implant neck and defining a bending zone having a diameter D B and a length L B , the ratio D B :L B being in the range of 1:1.5 to 1:3, said bending zone further having a bending radius r B of less than or equal to 3 mm at a bending zone angle α B of 30 degrees, said implant post comprising a coupling area adapted to be actuated by a screwing, bending, or straightening tool, said screw implant being defined by a single piece of a metallic material and being bendable in the bending zone by the action of said bending tool in the implanted state.