Treatment method for teeth and gums

1. A treatment method for teeth and gums to control dental caries and tooth sensitivity, comprising:

passivating the surface of tooth dentin of a subject to reduce dentin tubule openings by applying a toothpaste composition to teeth of the subject, and

brushing the teeth for a time of at least one minute;

wherein the toothpaste composition comprises:

(a) Nigella sativa oil in an amount of 3 wt. %;

(b) an amount of water in the range of 33 wt. % to 36 wt. %;

(c) sodium lauryl sulfate in the range of 1 wt. % to 2 wt. %,

(d) glycerol in the range of 29 wt. % to 32 wt. %,

(e) sodium benzoate in the range of 0.5% to 1.0 wt. %,

(f) methyl cellulose in the range of 0.5% to 1.0 wt. %,

(g) calcium carbonate in the range of 24 wt. % to 27 wt. %,

(h) flavoring agent in the range of 0.5% to 1.0 wt. %,

(i) fluoride-doped bioactive glass in an amount of 1.5 wt. %;

(j) zinc oxide in an amount of 3.0 wt. %; and

(k) titanium oxide in an amount of 2 wt. %;

wherein the wt. % is present by weight of the total weight of the toothpaste and the toothpaste composition has a maximum mean bioglass fluoride release in elutes of 9.95 to 10.75 ppm.

2. The treatment method of claim 1 , wherein the toothpaste comprises water in an amount of about 36 wt. % of the total weight of the toothpaste.

3. The treatment method of claim 1 , wherein the sodium lauryl sulfate is present in an amount of 2 wt. % of the total weight of the toothpaste.

4. The treatment method of claim 1 , wherein the sodium benzoate is present in an amount of about 1 wt. % of the total weight of the toothpaste.

5. The treatment method of claim 1 , wherein the flavoring agent is present in an amount of about 1 wt. % of the total weight of the toothpaste.