# US 9,517,186 B2 · Dental compositions with calcium phosphorus releasing glass

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- Number: US 9,517,186 B2
- Document ID: US9517186B2
- Status: Granted
- Kind: B2
- Application number: 14/594,588
- Filed: 2015-01-12
- Published: 2015-05-07
- Granted: 2016-12-13
- Earliest claimed: 2004-11-16
- Assignees: 3M Innovative Properties Company
- Applicants: 3M Innovative Properties Company
- Inventors: Richard P. Rusin; Kevin M. Cummings; Sumita B. Mitra; Paul A. Burgio; Tsi-Zong Tzou; David S. Arney
- Web page: https://patentgrep.com/patent/US9517186B2

## CPC

- A61K 6/836: Glass
- A61C 5/77: Methods or devices for making crowns
- A61C 7/00: Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C 13/0022: {Blanks or green, unfinished dental restoration parts}
- A61K 6/30: Compositions for temporarily or permanently fixing teeth or palates, e.g. primers for dental adhesives
- A61K 6/838: Phosphorus compounds, e.g. apatite
- A61K 6/887: Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- A61K 6/889: Polycarboxylate cements; Glass ionomer cements
- C03C 3/062: with less than 40% silica by weight
- C03C 3/16: containing phosphorus
- C03C 3/19: containing boron
- C03C 3/21: containing titanium, zirconium, vanadium, tungsten or molybdenum
- C03C 3/247: containing fluorine and phosphorus
- C03C 4/0021: {for dental use}
- C03C 2204/00: Glasses, glazes or enamels with special properties
- Y10T 428/2995: Silane, siloxane or silicone coating
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61C: DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; {tongue scrapers A61B17/24;} preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00)
- C03C: CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The present application provides a glass composition comprising 10-50% by weight CaO, at least 15% and less than 50% by weight P2O5, less than 3% by weight Al2O3, less than 10% by weight Li2O, Na2O, and K2O combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof; dental compositions comprising the glass composition, and methods of making and using such dental compositions.

## Claims

### Claim 1

A glass composition comprising 20-50% by weight CaO, at least 20% and less than 50% by weight P2O5, less than 3% by weight Al2O3, less than 10% by weight Li2O, Na2O, and K2O combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof.

### Claim 2 (depends on 1)

The glass composition of claim 1, wherein the glass composition is amorphous.

### Claim 3 (depends on 1)

The glass composition of claim 1, wherein the glass composition is at least partially crystalline.

### Claim 4 (depends on 1)

The glass composition of claim 1, wherein the glass composition is in a finely divided form of particles, fibers, or platelets.

### Claim 5 (depends on 4)

The glass composition of claim 4, wherein the particles, fibers, or platelets are surface-treated.

### Claim 6 (depends on 5)

The glass composition of claim 5, wherein the surface treatment comprises a silane.

### Claim 7 (depends on 1)

The glass composition of claim 1, further comprising fluoride, wherein the amount of fluoride is less than 25% by weight of the glass composition.

### Claim 8 (depends on 1)

The glass composition of claim 1, further comprising B2O3, wherein the amount of B2O3 is less than 30% by weight of the glass composition.

### Claim 9 (depends on 1)

The glass composition of claim 1, further comprising SiO2, wherein the amount of SiO2 is less than 20% by weight of the glass composition.

### Claim 10 (depends on 9)

The glass composition of claim 9, wherein the amount of SiO2 is less than 1% by weight of the glass composition.

### Claim 11 (depends on 1)

The glass composition of claim 1, further comprising a rare earth oxide, wherein the rare earth oxide is up to 40% by weight of the glass composition.

### Claim 12 (depends on 1)

The glass composition of claim 1, further comprising ZrO2, wherein the amount of ZrO2 is less than 15% by weight of the glass composition.

### Claim 13 (depends on 1)

A dental composition comprising the glass composition of claim 1.

### Claim 14 (depends on 13)

The dental composition of claim 13, wherein the dental composition comprises at least 30% by weight of the glass.

### Claim 15 (depends on 13)

The dental composition of claim 13, further comprising a hardenable resin.

### Claim 16 (depends on 13)

The dental composition of claim 13, further comprising a polymeric film former.

### Claim 17 (depends on 13)

The dental composition of claim 13, further comprising a calcium source.

### Claim 18 (depends on 13)

A method of treating a tooth structure comprising contacting the tooth structure with a dental composition according to claim 13.

### Claim 19 (depends on 15)

A method of preparing a dental article comprising hardening a dental composition according to claim 15 to fabricate a dental article selected from the group consisting of crowns, fillings, mill blanks, orthodontic devices, and prostheses.