Sulphur. powd.,

Cretae praep. pulv. .

Spts. rectificatus .

Aquae distil.....

Peppermint . . . . q. s. M. Signa. - After removal of all calcic deposits, use with a tooth-brush morning and evening.

Dentifrice.

Dr. Darby.

Cretae praeparatae .

Pulv. radicis iridis .

Pulv. ossis sepiae .

Pulv. sacchari albi .

Saponis castil. . . .

Sodae bicarb. . . .

Pulv. cinchonae flava.

Cochineal ....

Olei rosae......gtt.xx. M.

Rose Dentifrice.

Cretae praeparatae . . Pulv. saponis ....

Saccharin.....gr.x

Thymolis.....gr.xv

Camphorae.....gr.xxx

Vanillin..... gr.v

Olei rosae.....gtt.vj. M.

Rub the camphor and thymol together in a mortar, and warm gently so as to render the mixture liquid; then add the chalk in small portions at a time, reserving about one ounce; next add the other ingredients, the perfumes being first separately rubbed with the remainder of the chalk.

Dentifrice, Antacid, Tonic and Antiseptic.

Cretae praeparatae . . Quininae disulph. . . Pulv. ossis sepiae . . Otto rosae.....

Dentifrice.

Dr. A. W. Harlan.

Cretae praeparatae . . Pulv. radicis iridis .

Resorcin.....

Saccharine.....

Pulv. ossis sepiae . . Olei menthae piperitae. Signa. - Use on a brush moistened with tepid water.

Dentifrice. Dr. A. W. Harlan. Cretae praeparatae . . Sodium fluo. silicate . Acidi tannici . . . Pulv. sacchari albi Pulv. ossis sepiae . . Olei gaultheriae . . . To make a paste of the above, add glycerine 2 parts and honey I part.

Cream Dentifrice. Dental Office and Laboratory. Castile soap, in fine powder.....1/2 oz.

Prepared chalk ... 1 oz. Oil of rose geranium . 8 drops. Glycerine sufficient to determine its consistence.

Rose Dentifrice.

British Journal Dental Science.

Precipitated chalk . . Prepared chalk . . . Powdered orris . . . Essence of vanilla . . Tincture coumarin . . Tincture benzoin . . Ammonia (stronger).

Carmine ......

Oil of cloves ....

Glycerine.....

Or a sufficiency.

Citroleine Dentifrice. Dental Office and Laboratory.

Precipitated chalk...............

Powdered sugar................

Powdered orris root..............

Cuttle-fish bone................

Bicarbonate of soda..............

Oil of lemon..................

Dentifrices may be pleasantly flavored with wintergreen, cassia, sassafras, lemon, peppermint, anise, lavender, pennyroyal, cloves, calamus, attar of roses, oil of neroli, oil of rose geranium, etc. Cochineal coloring in small quantity will impart a pink color to a dentifrice.