MESO-ABRASIVE DENTIFRICE AND SYSTEM FOR USING SAME
A meso-abrasive dentifrice formulation of from 15 wt % to 30 wt % a first abrasive, from 10 wt % to 15 wt % a second abrasive, and excipients. The second abrasive is silica and is different from the first abrasive. A system is also disclosed for cleaning a human oral cavity having the disclosed meso-abrasive dentifrice formulation and an oscillating cup for delivery of the dentifrice formulation. The system demonstrates a Cleaning Efficiency Index (CEI) of from 2.34 to 2.45. The system demonstrates an Increase in Gloss Score of greater than 28 and a system Relative Dentin Abrasiveness (RDA) value less than 100.
1 . A meso-abrasive dentifrice formulation comprising:
from 15 wt % to 30 wt % a first abrasive, and,
from 10 wt % to 15 wt % a second abrasive different from the first abrasive, wherein the second abrasive is silica, and wherein wt % is based upon the total weight of the formulation.
2 . The meso-abrasive dentifrice formulation of claim 1 , wherein the formulation comprises 12 wt % of the second abrasive.
3 . The meso-abrasive dentifrice formulation of claim 1 , wherein the second abrasive is amorphous silica.
4 . The meso-abrasive dentifrice formulation of claim 1 , wherein the formulation comprises from 20 wt % to 25 wt % of the first abrasive.
5 . The meso-abrasive dentifrice formulation of claim 1 , wherein the first abrasive is pumice having an FF grade.
6 . The meso-abrasive dentifrice formulation of claim 1 , wherein the first abrasive includes a first pumice having an FF grade and a second pumice having an ½ grade.
7 . The meso-abrasive dentifrice formulation of claim 6 , wherein the first abrasive includes 5 wt % of the second pumice having an ½ grade.
8 . The meso-abrasive dentifrice formulation of claim 1 , further including from 40 wt % to 50 wt % glycerin based upon the total weight of the formulation.
9 . The meso-abrasive dentifrice formulation of claim 1 , further including from 5 wt % to 15 wt % purified water based upon the total weight of the formulation.
10 . The meso-abrasive dentifrice formulation of claim 1 , further including at least one of sodium fluoride, calcium acetate, dibasic sodium phosphate, or combinations thereof in an amount totaling less than 10 wt %.
11 . The meso-abrasive dentifrice formulation of claim 1 , wherein the formulation comprises:
from 15 wt % to 30 wt % a first abrasive, wherein the first abrasive is pumice selected from a first pumice of FF grade, a second pumice of ½ grade, or combinations thereof;
from 10 wt % to 15 wt % a second abrasive, wherein the second abrasive is amorphous silica;
from 40 wt % to 50 wt % glycerin;
from 5 wt % to 15 wt % purified water; and
from 5 wt % to 15 wt % additional ingredients,
wherein wt % is based upon the total weight of the formulation.
12 . A system for cleaning a human oral cavity comprising:
the meso-abrasive dentifrice formulation of claim 1 ; and
an oscillating cup for delivery of the dentifrice formulation.
13 . The system of claim 12 , wherein the oscillating cup is an oscillating rubber cup.
14 . The system of claim 12 , wherein the oscillating cup oscillates reciprocally at an angle less than 360 degrees.
15 . The system of claim 14 , wherein the oscillating cup oscillates reciprocally at an angle of from 45 degrees to 90 degrees.
16 . The system of claim 12 , wherein the oscillating cup oscillates reciprocally at a speed of from 4000 times per minute to 11,000 times per minute.
17 . The system of claim 12 , wherein the oscillating cup oscillates reciprocally at a speed of 8000 times per minute.
18 . The system of claim 12 , wherein the system demonstrates at least one of:
a system Relative Dentin Abrasiveness (RDA) value less than 100;
a Pellicle Cleaning Ratio (PCR) value of greater than 125; and
a Cleaning Efficiency Index (CEI) of greater than 2.00.
19 . The system of claim 12 , wherein the system demonstrates a Cleaning Efficiency Index (CEI) of from 2.34 to 2.45.
20 . The system of claim 12 , wherein the system demonstrates an Increase in Gloss Score of greater than 28 and a system Relative Dentin Abrasiveness (RDA) value less than 100.