DR. ALLAN S. DEUTSCH, D.M.D.
Dentist at 58 St, New York, NY

5968039, Oct 19, 1999

Oct 3, 1991

7/771173

Allan S. Deutsch - New York NY
Brett I. Cohen - Nanuet NY

Essential Dental Systems, Inc. - South Hackensack NJ

A61N 506

606 17

A laser apparatus for removing hard and soft tissue from a narrow channel has at its cutting end a configuration that causes the laser light to emerge in an annular region and not apically.

4480997, Nov 6, 1984

Jan 4, 1984

6/568082

Allan S. Deutsch - New York NY
Barry L. Musikant - New York NY

A61C 508

433221

An improved unitary bulk restoring dental post having a stem of substantially parallel threaded sides divided along its length into separate legs for threaded insertion into a tooth root canal by a wrench that applies a predetermined torque to the dental post to thread it into the tooth root for crown restoration.

RE31948, Jul 16, 1985

Jan 18, 1985

6/692500

Allan S. Deutsch - New York NY
Barry L. Musikant - New York NY

A61C 504

433221

An improved unitary bulk restoring dental post having a stem of substantially parallel threaded sides divided along its length into separate legs for threaded insertion into a tooth root canal by a wrench that applies a predetermined torque to the dental post to thread it into the tooth root for crown restoration.

5669772, Sep 23, 1997

Jan 31, 1995

8/381428

Barry Musikant - Tenafly NJ
Allan S. Deutsch - New York NY
Brett I. Cohen - Nanuet NY

Essential Dental Systems, Inc. - South Hackensack NJ

A61C 508, A61C 502

433221

A method and system for inserting a dental post into a tooth root canal. The method comprises the steps of cutting out a post hole in the tooth and inserting a threaded tap into the post hole for creating at least one groove along the hole. Significantly, the tap includes at least one slot defined by a pair of flexible legs and running at least a portion of the length thereof for reducing stress along the post hole during threaded insertion. Also provided is a lentulo drill comprising a spiraled wire with a reverse spiral configuration at the apical end thereof for confining cement placement in the post hole prior to insertion of the dental post.

4490116, Dec 25, 1984

Jul 18, 1984

6/632042

Allan S. Deutsch - New York NY
Barry L. Musikant - New York NY

A61C 500, A61C 510

433215

An improved unitary bulk restoring dental post having a stem of substantially parallel threaded sides divided along its length into separate legs for threaded insertion into a tooth root canal by a wrench that applies a predetermined torque to the dental post to thread it into the tooth root for crown restoration.

5632620, May 27, 1997

May 13, 1996

8/645263

Barry Musikant - Tenafly NJ
Allan S. Deutsch - New York NY
Brett I. Cohen - Nanuet NY

Essential Dental Systems, Inc. - South Hackensack NJ

A61C 502, A61C 302

433102

A method and system for inserting a dental post into a tooth root canal. The method comprises the steps of cutting out a post hole in the tooth and inserting a threaded tap into the post hole for creating at least one groove along the hole. Significantly, the tap includes at least one slot defined by a pair of flexible legs and running at least a portion of the length thereof for reducing stress along the post hole during threaded insertion. Also provided is a lentulo drill comprising a spiraled wire with a reverse spiral configuration at the apical end thereof for confining cement placement in the post hole prior to insertion of the dental post.

4824371, Apr 25, 1989

Dec 17, 1986

6/942761

Allan S. Deutsch - New York NY
Barry L. Musikant - New York NY

Essential Dental Systems, Inc. - New York NY

A61C 13235

433189

A releasable magnetic retention device having two opposed substantially like units each of which has a relatively small permanent magnet of opposed poles, one pole of which is utilized with a conductor of low coercivity material to form a larger magnetic flux field in the conductor so that when the two like units are placed in magnetic attracting relation the two conductors complete a strong enlarged magnetic flux path between them to releasably retain the units together.

2008028, Nov 20, 2008

Jul 31, 2007

11/888329

Barry L. Musikant - New York NY, US
Allan S. Deutsch - New York NY, US
Brian Rasimick - New York NY, US
Quan Gu - New Milford NJ, US

Essential Dental Systems, Inc. - South Hackensack NJ

A61K 6/00, C08G 59/02

523118, 528418

Epoxy polymers for dental use including the reaction product of a diepoxide oligomer and a bridged dipolyamine are described. The epoxy polymers include the reaction product of diepoxide oligomers comprised of bisphenol A diepoxide oligomers and/or bisphenol F diepoxide oligomers and bridged dipolyamine monomers having two polyamine regions and a hydrocarbon region of at least 28 carbon atoms.

5275563, Jan 4, 1994

Sep 2, 1992

7/939126

Brett I. Cohen - Nanuet NY
Barry L. Musikant - New York NY
Allan S. Deutsch - New York NY

Essential Dental Systems, Inc. - South Hackensack NJ

A61C 502, A61C 508

433224

A method and apparatus for removing dental posts by inserting and rotating an extraction drill. It is particularly useful for hollow dental posts having left-handed helical grooves on the post's external surface.