You probably know how hard shells are, thus what sort of grit you'd be using in scrubbing your teeth.

Harder than enamel ? Maybe not, but, in order to release the Calcium from Calcium Carbonate, it has to be exposed to an acid..like in the stomach...and releases Carbon Dioxide in the process.
The mouth doesn't normally have much, if any, acidity.
However, A bit of grit may help clean the area for a good bond interface.
I would suggest using Calcium Citrate or even dissolve the shell flour in Vinegar for Calcium Acetate.

From experience, highly acidic beverages such as Grapefruit juice cleans out those micro tubules and makes my teeth very sensitive for days. If you want to coat something and get a good bond, clean....even "etched"... is good.

Grapefruit juice and shell flour paste?
 Calcium Citrate and some grit.  [Just a thought]

Sulphur is useful for healing. Calcium Sulphate may be a choice, Chalk, drywall board...TUMs

Arginine is said to enhance released HGH levels [Human Growth Hormone]...interesting addition, but not seeing how it relates to a direct effect on teeth or does anything at all prior to being metabolized.
 Virtually all foods contain it at some concentration.

Dr. Collins Restore Remineralizing Toothpaste - Rebuild, Revitalize & Restore A new kind of tooth care, Dr. Collins Restore Toothpaste strengthens and revitalizes your teeth with ******ionic***** calcium and other essential [ionic?] minerals. [Phosphorous] You will see and feel the difference in just a few brushings!

Good idea Bodhi, but some major flaws, omissions and out right contradictions in the theory and application.

Calcium Carbonate is insoluble in water [As every shell fish knows], definitely not Ionic and definitely abrasive. But like with concrete using gravel as an aggregate, very SMALL Calcium Carbonate particles could speed the fill rate while using the ionic forms as the cement.

So, what exactly IS tooth enamel lattice structure?
What will fit into it [make a bond ] and what won't...[What doesn't, doesn't matter ]

http://bmb.oxfordjournals.org/cgi/pdf_extract/31/2/115

Stannous Fluoride DOES interface in the lattice structure, but makes it brittle. [Fluoridosis]

...wonder if Calcium and Phosphorus can be plated out of a solution and onto teeth with a tiny bit of DC current? Those porous fluid filled tubules [the fluid being the actual conductor of heat and cold] go straight to the nerve and a nerve transmits electricity quite well...could be a proprietary ionic pathway. [could also be painful]

Fill mouth with ionic minerals and go stand barefoot on a diode plate under a high tension power line ? [wink]
..everything is good for something, right?

Ode

More info:

http://www.specialtyminerals.com/specialty-applications/specialty-markets-for-minerals/personal-care-and-cosmetics/toothpaste/
Specialty Minerals Calcium Carbonates in Toothpaste and Oral Care Products

Precipitated calcium carbonates (PCC) and ground calcium carbonates (GCCs) are used in general purpose toothpastes, specialty dentifrices, and other oral care products. PCC functions as a moderate-to-mild abrasive, a less expensive filler, and as a thickener or bodying agent when using smaller or high surface area PCCs. Because calcium carbonate is insoluble in water, it can only be used in opaque products, not in clear gels.


Calcium Carbonate: The Moderate to Mild Abrasive
The abrasivity of a mineral particle depends on two factorsits particle size and the basic hardness of the mineral.

Within a given mineral type, the smaller a particle, the less abrasive it will be; the larger, the more abrasive. Calcium carbonates used in various toothpastes range from 0.7 to 10 microns with the grade chosen partially depending on the degree of abrasiveness desired for the product.

The basic abrasivity of a mineral can be indicated by giving its Mohs Hardness number. The Mohs Hardness Scale runs from 1 to 10. The hardness of talc, the softest mineral, is defined as 1. The hardness of a diamond, the hardest mineral, is defined as 10.

As you can see from the graph, it is not a linear scale, but more exponential. Therefore, a mineral with a hardness of 6 is not twice as abrasive as a mineral with a hardness of 3, but is about 8 times as hard.

Calcite is the pure mineral form of calcium carbonate. While the pure mineral itself has a Mohs Hardness of 3, the limestone rocks in which it is found also contain some quartz, or silica, giving ground limestones or GCCs Mohs values around 4. PCCs have silica removed during manufacturing, so its Mohs value is closer to 3. For comparison, silica has a Mohs value of 6.

Calcium carbonates are considered moderately abrasive, less abrasive than precipitated silicas, but abrasive enough to provide good cleaning.


A Range of Abrasivities
One test for abrasivity is the Einlehner Abrasion test where a bronze mesh is exposed to a 10-percent slurry of the abrasive material for a given number of revolutions, and the weight loss of the screen measured. The higher the loss, the more abrasive the particles used in the slurry. Three of Specialty Minerals Inc. (SMI) calcium carbonates were tested by this method with the following results:

The larger, ground carbonate resulted in the largest metal loss, while the fine particle-sized PCC showed the least.

When formulating a toothpaste with calcium carbonate as the abrasive, the strongest cleaning action will result when using a GCC. For products for everyday use, a GCC or a larger-particled PCC is fine.

Some dentifrices are designed for bridgework, dentures and other forms of artificial teeth which are made from polymers much softer than natural tooth enamel. If a highly abrasive material like silica is used on these synthetic teeth, then they can be worn away too quickly. Here, a smaller-particled PCC would be necessary. The same is true for toothpastes for people with sensitive teeth. Abrasion of the remaining tooth enamel must be minimized, so a small PCC would be the best choice.


Specialty Minerals Calcium Carbonates for Toothpastes
* Mildest abrasion applications: ViCALity Albafil® PCC, a 0.7 micron-sized PCC, will be the mildest, yet effective abrasive. ViCALity Albaglos® PCC, a mixture of 85 percent ViCALity Albafil® PCC and 15 percent 3-micron ViCALity® Heavy PCC, will be slightly more abrasive because of the presence of the larger particle in the blend. The small particle size, and resulting higher surface areas, will provide body or thicken the toothpaste formulation potentially reducing the amount of more expensive thickeners. * Moderate abrasion applications: We recommend ViCALity® Heavy (3 microns) or Extra Heavy (4.5 microns) PCCs made in the U.S. or Sturcal" L PCC (6 microns) made in the U.K. * Moderate abrasion with thickening: The ViCALity® Extra Light, Calopake® Extra Light, and Sturcal" F and H PCC products have needle shaped, open structures which result in higher surface areas. With particle sizes ranging from 2 to 4 microns, they function effectively as moderate abrasives and the high surface areas will add thickening. The chart below shows an example of viscosities achieved in slurries of ViCALity® Extra Light PCC:

Calcium Carbonate: The Moderate to Mild Abrasive
The abrasivity of a mineral particle depends on two factorsits particle size and the basic hardness of the mineral.

Within a given mineral type, the smaller a particle, the less abrasive it will be; the larger, the more abrasive. Calcium carbonates used in various toothpastes range from 0.7 to 10 microns with the grade chosen partially depending on the degree of abrasiveness desired for the product.

The basic abrasivity of a mineral can be indicated by giving its Mohs Hardness number. The Mohs Hardness Scale runs from 1 to 10. The hardness of talc, the softest mineral, is defined as 1. The hardness of a diamond, the hardest mineral, is defined as 10.

Moderately high abrasion applications: Food grade Vicron® ground limestones such as 25-11 (5.5 microns) or 41-8 (8 microns) grades are typically used. These GCCs are a bit larger than the PCCs and a bit harder. They are excellent in opaque toothpastes for the general population.


As you can see from the graph, it is not a linear scale, but more exponential. Therefore, a mineral with a hardness of 6 is not twice as abrasive as a mineral with a hardness of 3, but is about 8 times as hard.

Calcite is the pure mineral form of calcium carbonate. While the pure mineral itself has a Mohs Hardness of 3, the limestone rocks in which it is found also contain some quartz, or silica, giving ground limestones or GCCs Mohs values around 4. PCCs have silica removed during manufacturing, so its Mohs value is closer to 3. For comparison, silica has a Mohs value of 6.

Calcium carbonates are considered moderately abrasive, less abrasive than precipitated silicas, but abrasive enough to provide good cleaning.



At 04:05 PM 6/18/2010 -0700, you wrote:
What is a good source of calcium carbonate for teeth? I use oyster shell flour in the garden - that is 95% calcium carbonate. I am not sure I want to brush my teeth with it.
Gayla
----- Original Message ----- From: "Norton, Steve" <stephen.nor...@ngc.com>
To: <silver-list@eskimo.com>
Sent: Friday, June 18, 2010 8:17 AM
Subject: RE: CS>tooth remedy


Here is the comment by Bodhi:

"Fluoride does nothing for sensitivity, most likely it would be something like the calcium carbonate or something else in the paste filling the vestibiles. The way to correct this is easy, mix calcium carbonate and arginine, brush with it once a month to fill the vestibiles. Sensitivity will be virtually corrected in a single dosage of that - at least for a few weeks. As a former dental technician, I can tell you this works in 99% of the cases, and the cost is slight. I haven't used fluoride toothpaste in years, and my teeth are stellar. My kids got LESS cavities when they stopped using fluoride products, but that might also be because "Toothpaste" is abrasive, destroys enamel. Everyone should really be using "Soap" to brush their teeth."


- Steve N

-----Original Message-----
From: Paula Perry [mailto:p...@zoomnet.net]
Sent: Friday, June 18, 2010 2:46 AM
To: silver-list@eskimo.com
Subject: CS>tooth remedy



I bought some L-Arginine for the remedy Bodhi gave. Now I have forgotten what the other ingredient was and what ratio to mix for re-enameling the teeth. Would someone kindly remind me? Much thanks,
Paula


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