IP Library Patent Application 16875193
Patent Application
App. No. 16/875,193

CALCIUM SILICATE BASED DENTAL FILLING MATERIAL

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Quick Facts
Patent No.
US None
App. No.
16/875,193
Abstract

A curable mixture and method of using the mixture are disclosed. In some embodiments, the mixture comprises a calcium silicate compound, a filler material, a non-aqueous carrier liquid, and a secondary carrier liquid, and has properties suitable for use as a tooth filling after curing.

Claims (84)

1 . A curable mixture of ingredients, comprising:

(a) a calcium silicate compound;

(b) a filler material;

(c) a non-aqueous carrier liquid; and

(d) a secondary carrier liquid different than the non-aqueous carrier liquid.

2 . The curable mixture of claim 1 , wherein the calcium silicate compound is selected from at least one of calcium silicate, dicalcium silicate and tricalcium silicate.

3 . The curable mixture of claim 1 , wherein the non-aqueous carrier liquid comprises at least one of acetic acid, acetone, acetonitrile, 1-butanol, 2-butanone, ethyl acetate, methanol, ethanol, propanol, butanol, dimethyl sulfoxide, dimethylformamide, 1,4-dioxane, methyl isocyanide, pyridine, tetrahydrofuran, ethylene glycol, propylene glycol, triethylene glycol, poly(ethylene glycol), poly(propylene glycol) and glycerol.

4 . (canceled)

5 . The curable mixture of claim 1 , wherein the secondary carrier liquid comprises at least one of water, acetic acid, acetone, acetonitrile, 1-butanol, 2-butanone, ethyl acetate, methanol, ethanol, propanol, butanol, dimethyl sulfoxide, dimethylformamide, 1,4-dioxane, methyl isocyanide, pyridine and tetrahydrofuran.

6 . (canceled)

7 . The curable mixture of claim 1 , further comprising an X-ray radiopaque material.

8 . The curable mixture of claim 1 , further comprising a phosphate salt.

9 . (canceled)

10 . The curable mixture of claim 1 , wherein the calcium silicate compound is calcium trisilicate.

11 . The curable mixture of claim 10 , wherein the curable mixture of ingredients comprises less than 20 wt % calcium silicate, based on the total weight of the curable mixture.

12 . The curable mixture of claim 1 , wherein the curable mixture of ingredients comprises between 0.1 wt. % to 30 wt. % filler, based on the total weight of the curable mixture of ingredients.

13 . (canceled)

14 . (canceled)

15 . The curable mixture of claim 1 , wherein the curable mixture of ingredients comprises between 40 wt % and 60 wt. % of a secondary carrier liquid.

16 . The curable mixture of claim 1 , wherein the secondary carrier liquid is water.

17 . (canceled)

18 . (canceled)

19 . A kit, comprising:

a first container comprising a first part of a two-part curable composition, wherein the first part comprises:

(a) a calcium silicate compound,

(b) a filler material, and

(c) a first carrier liquid; and

a second container comprising a second part of the two-part curable composition, wherein the second part comprises a second carrier liquid.

20 . (canceled)

21 . (canceled)

22 . The kit of claim 19 , wherein the first carrier liquid is a non-aqueous liquid.

23 . The kit of claim 19 , wherein the second carrier liquid is an aqueous liquid.

24 . (canceled)

25 . The kit of claim 19 , wherein the first part comprises a flow rate of about 50 g/min. to about 500 g/min. at 20 psi.

26 . The kit of claim 19 , wherein the second part comprises a viscosity between about 0.1 cps and 20 cps at 25° C.

27 . A curable mixture of ingredients provided in two parts comprising

a first part comprising a flowable mixture comprising:

(a) a calcium silicate;

(b) a filler material; and

(c) a non-aqueous carrier liquid; and

a second part comprising an aqueous carrier liquid.

28 . (canceled)

29 . The curable mixture of claim 27 , wherein a total weight percent of the non-aqueous carrier liquid and the aqueous carrier liquid is about 45 wt % to about 60 wt %.

30 . The curable mixture of claim 27 , wherein the non-aqueous carrier liquid comprises at least one of propylene glycol and poly(ethylene glycol).

31 . (canceled)

32 . The curable mixture of claim 27 , comprising 1 wt % to 20 wt % tricalcium silicate.

33 . (canceled)

34 . (canceled)

35 . (canceled)

36 . The curable mixture of claim 27 , comprising less than 40 wt. % filler.

37 . (canceled)

38 . (canceled)

39 . (canceled)

40 . (canceled)

41 . (canceled)

42 . (canceled)

43 . (canceled)

44 . (canceled)

45 . (canceled)

46 . (canceled)

47 . (canceled)

48 . (canceled)

49 . (canceled)

50 . The curable mixture of claim 27 , wherein the second aqueous carrier liquid has a viscosity of about 1 cps to about 30 cps at 25° C.

51 . (canceled)

52 . (canceled)

53 . The curable mixture of claim 27 , wherein the first part has a flow rate of about 50 g/min. to about 500 g/min. at 20 psi.

54 . (canceled)

55 . (canceled)

56 . (canceled)

57 . (canceled)

58 . (canceled)

59 . A method of filling a root canal or a tooth, comprising:

obtaining a first flowable part of a two-part curable composition that comprises:

(a) a calcium silicate compound,

(b) a filler material, and

(c) a first carrier liquid;

obtaining a second flowable part of the two-part curable composition, wherein the second part comprises a second carrier liquid;

combining the first and second flowable parts to form a final curable composition; and

positioning the final curable composition within the root canal or the tooth.

60 . (canceled)

61 . (canceled)

62 . The method of claim 59 , wherein the first carrier liquid is a non-aqueous liquid.

63 . The method of claim 59 , wherein the second carrier liquid is an aqueous liquid.

Assignments (2)
ASSIGNMENT OF PATENT SECURITY AGREEMENT Recorded Aug 24, 2021
From: PERCEPTIVE CREDIT HOLDINGS, LP
To: PERCEPTIVE CREDIT HOLDINGS III, LP
Reel/Frame 057279/0436 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 20, 2021
From: GOMURASHVILI, ZAZA; TOBIA, DAVID; PASCUA, STEPHANIE; KHAKPOUR, MEHRZAD; BERGHEIM, BJARNE
To: SONENDO, INC.
Reel/Frame 056921/0113 →