IP Library Granted Patent US 8,235,718
Granted Patent B2
US 8,235,718 · App. 11/676,807 · Granted Aug 7, 2012

Dental composite

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Quick Facts
Patent No.
US 8,235,718
App. No.
11/676,807
Granted
Aug 7, 2012
Kind
B2
Abstract

The shade system contains a set of dentin/body shades, and a set of enamel and opaque shades that correspond to the dentin/body shades. The system may also include tints and specialty incisals to provide special effects, if necessary.

Claims (24)

1. A kit for making a layered dental composite restoration comprising:

a plurality of basic dentin/body shades having four different hues, wherein each dentin/body shade is formulated for use as a primary dentin replacement material; and

a set of four enamel shades that correspond to one of each of the four different hues in the dentin/body shades, wherein each enamel shade is formulated for use as a translucent material imparting a polychromatic effect to the layered dental composition restoration;

wherein each one of the four enamel shades is formulated for use with a selected dentin/body shade from one of the four different hues in the plurality of dentin/body shades when, in making the layered dental composite restoration, a layer of a corresponding enamel shade is applied over a layer of the selected dentin/body shade to mimic natural teeth.

2. The kit of claim 1 further comprising a set of four opaque shades as materials that correspond to one of each of the four different hues in the dentin/body shades.

3. The kit of claim 2 further comprising a set of tints as materials to provide internal characterization to a layered dental restoration.

4. The kit of claim 3 further comprising a set of specialty incisals as materials to provide a halo effect to a layered dental restoration.

5. A shade guide device comprising tabs for use with the kit of claim 1 comprising:

a plurality of basic dentin/body shades having four different hues comprising A1, A2, A3, A3.5, A4, B1, B2, B3, B4, C1, C2, C3, C4, D2, D3, D4; and

a set of four enamel shades that correspond to one of each of the four different hues in the dentin/body shades comprising A Enamel, B Enamel, C Enamel and D Enamel.

6. The shade guide device of claim 5 further comprising a set of four opaque shades that correspond to one of each of the four different hues in the dentin/body shades comprising A Opaque, B Opaque, C Opaque, and D Opaque.

7. The shade guide device of claim 6 further comprising a set of tints to provide internal characterization to a dental restoration comprising grey, blue, yellow, pink, white opaque, yellow opaque, ivory opaque, and brown shades.

8. The shade guide device of claim 7 further comprising a set of specialty incisals to provide a halo effect to a dental restoration comprising a white and a clear shade.

9. The shade guide device of claim 5 wherein the dentin/body shades further comprise a set of bleach shades.

10. The shade guide device of claim 9 wherein the bleach shades comprise Bleach, Extra Bleach, Super Bleach, and Ultra Bleach.

11. The method of claim 1 wherein the percent opacity of the basic dentin/body shades is in the range of 70 to 85 percent and the percent opacity of the enamel shades is in the range of 40 to 50 percent and, wherein the measurements are based on 1.05 mm thickness with a diameter of 15 mm.

12. A kit for making a layered dental composite restoration comprising:

a plurality of basic dentin/body shades having four different hues comprising A1, A2, A3, A3.5, A4, B1, B2, B3, B4, C1, C2, C3, C4, D2, D3, D4, wherein each dentin/body shade is formulated for use as a primary dentin replacement material; and

a set of four enamel shades that correspond to one of each of the four different hues in the dentin/body shades comprising A Enamel, B Enamel, C Enamel and D Enamel, wherein each enamel shade is formulated for use as a translucent material imparting a polychromatic effect to the layered dental composition restoration wherein each one of the four enamel shades is formulated for use with a selected dentin/body shade from one of the four different hues in the plurality of dentin/body shades when, in making the layered dental composite restoration, a layer of a corresponding enamel shade is applied over a layer of the selected dentin/body shade to mimic natural teeth.

13. The kit of claim 12 further comprising a set of four opaque shades as materials that correspond to one of each of the four different hues in the dentin/body shades comprising A Opaque, B Opaque, C Opaque, and D Opaque.

14. The kit of claim 13 further comprising a set of tints as materials to provide internal characterization to a dental restoration comprising grey, blue, yellow, pink, white opaque, yellow opaque, ivory opaque and brown shades.

15. The kit of claim 14 further comprising a set of specialty incisals as materials to provide a halo effect to a layered dental restoration comprising a white and a clear shade.

16. The kit of claim 12 wherein the dentin/body shades further comprise a set of bleach shades.

17. The kit of claim 16 wherein the bleach shades comprise Bleach, Extra Bleach, Super Bleach, and Ultra Bleach.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Apr 9, 2021
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: PENTRON CORPORATION
Reel/Frame 055880/0514 →
SECURITY INTEREST Recorded May 8, 2020
From: PENTRON CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 052608/0045 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 11, 2008
From: JIA, WEITAO; JIN, SHUHUA
To: PENTRON CLINICAL TECHNOLOGIES, LLC
Reel/Frame 021960/0708 →