US2802268A - Method of caulking fissures - Google Patents

Method of caulking fissures Download PDF

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Publication number
US2802268A
US2802268A US274830A US27483052A US2802268A US 2802268 A US2802268 A US 2802268A US 274830 A US274830 A US 274830A US 27483052 A US27483052 A US 27483052A US 2802268 A US2802268 A US 2802268A
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Prior art keywords
fluoride
fissures
fissure
caulking
silico
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US274830A
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Knappwost Adolf
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Vivadent Corp
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Vivadent Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K6/00Preparations for dentistry
    • A61K6/20Protective coatings for natural or artificial teeth, e.g. sealings, dye coatings or varnish
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K6/00Preparations for dentistry
    • A61K6/80Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/849Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/853Silicates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K6/00Preparations for dentistry
    • A61K6/80Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/849Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/876Calcium oxide

Description

tts

METHOD OF CAULKING FISSURES No Drawing. Application March 4, 1952, Serial No. 274,830

Claims priority, application Germany March 10, 1951 6 Claims. (Cl. 32-45) The present invention relates to a novel method for the caulking of fissures, especially those in teeth.

Due to the contraction of almost all the dental plastic filling materials (amalgams, cements, artificial materials) fissures are formed after hardening between the filling body and the wall of the cavity of the teeth, which fissures may be of a width of 5-100 i. These fissures are extremely dangerous as they form a way of supplying remnants of food to bacteria distributed in the saliva and thus lead to the dreaded secondary caries. A method is needed to caulk these fissures subsequently. Even with cast fillings and certain crowns (three quarter crowns) dangerous fissures form after washing out the fastening cement, which fissures greatly reduce the life of a prosthetic job. Here too there is a need to caulk these fissures subsequently.

Now, thorough investigations have shown that these fissures may securely be caulked by precipitating therein by chemical reaction a deposit of diflicultly soluble substances. Thus touching a tooth with the solution of a silico-fluoride e. g. a magnesium silico-fluoride MgSiF6 running into the fissures, and subsequently touching it with an alkaline liquid e. g. calcium hydroxide milk leads to precipitate a deposit of silicon dioxide (silica) gel, difiicultly soluble magnesium fluoride and diflicultly soluble calcium fluoride according to the equation The reaction occurs spontaneously so that an immediate caulking of the fissures takes place. Other suitable silicofluorides are those of zinc and copper.

According to the invention the fissures are thus caulked in such a way with dental prosthetic jobs that the object to be caulked, that is the tooth with its fissures is first touched with a solution of a silico fluoride and thereupon touched subsequently with an alkaline solution e. g. calcium hydroxide milk. The sequence of the touching liquids is immaterial. Therefore one may touch first with an alkaline solution, if this is necessary in immediate vicinity of the pulp, and then subsequently with the silico-fluoride solution. In addition to caulking fissures in teeth, the novel method can also be utilized for caulking other noxious fissures and pores. The discoloration of the reaction products produced and the rapid disinfection of the silico-fluorides by after-touching with the alkaline solution greatly favors the application of this method.

Example The object with the fissure to the caulked, viz. in gen- 2,802,268 Patented Aug. 13, 1957 eral the tooth-surface cleaned by brushes and dried with the air-blower or any other drying means, with the respective filling is touched with an about five percent (the concentration may be varied at will) magnesium silicofluoride aqueous solution. Immediately afterwards it is touched subsequently with a suspension of calcium hydroxide. The object touched is then rinsed with water. Thus the fissures are caulked.

I claim:

1. The method of caulking a fissure which comprises contacting in said fissure an aqueous solution of a silicofluoride of a metal of which the fluoride is water-insoluble with an aqueous suspension of the hydroxide of an alkali which forms a water-insoluble fluoride, whereby said metal silico-fiuoride reacts with said alkali hydroxide to deposit in said fissure the insoluble fluoride of said metal, silica and the fluoride of said alkali.

2. The method defined in claim 1, wherein the concentration of said metal silico-fluoride in said aqueous solution is about 5% 3. The method of caulking a fissure which comprises placing in said fissure an aqueous solution of the silicofluoride of a metal selected from the group consisting of magnesium zincand copper II, and thereafter contacting said solution with an aqueous suspension of calcium hydroxide, whereby said metal silico-fluoride reacts with said calcium hydroxide to deposit in said fissure the insoluble fluoride of said metal, silica and calcium fluoride.

4. The method of caulking a fissure which comprises placing in said fissure an aqueous solution of magnesium silico-fluoride, and thereafter contacting said solution with an aqueous suspension of calcium hydroxide, whereby the magnesium silico-fluoride and calcium hydroxide react with each other to deposit in said fissure insoluble magnesium fluoride, silica and calcium fluoride.

5. The method of caulking a fissure which comprises placing in said fissure an aqueous suspension of calcium hydroxide, and thereafter contacting said suspension with an aqueous solution of a silico-fiuoride of a metal selected from the group consisting of magnesium, zinc and copper II, whereby said metal silico-fluoride reacts with said calcium hydroxide to deposit in said fissure the insoluble fluoride of said metal, silica and calcium fluoride.

6. The method of caulking a fissure which comprises placing in said fissure an aqueous suspension of calcium hydroxide, and thereafter contacting said suspension with an aqueous solution of magnesium silico-fluoride, whereby the magnesium silico-fluoride and calcium hydroxide react with each other to deposit in said fissure insoluble magnesium fluoride, silica and calcium fluoride.

References Cited in the file of this patent UNITED STATES PATENTS 1,792,200 Thomsen Feb. 10, 1931 FOREIGN PATENTS 947,290 France 1949 OTHER REFERENCES Wells, Francis M., Sodium Fluoride Treatment of Hypersensitive Teeth, The Dental Digest, July 1944, pages 312-313, 320, see p. 312. (Copy in Division 55.)

Claims (1)

1. THE METHOD OF CAULKING A FISSURE WHICH COMPRISES CONTACTING IN SAID FISSURE AN AQUEOUS SOLUTION OF A SILICOFLUORIDE OF A METAL OF WHICH THE FLUORIDE IS WATER-INSOLUBLE WITH AN AQUEOUS SUSPENSION OF THE HYDROXIDE OF AN ALKALI WHICH FORMS A WATER-INSOLUBLE FLUORIDE, WHEREBY SAID METAL SILICO-FLUORIDE REACTS WITH SAID ALKALI HYDROXIDE TO DEPOSIT IN SAID FISSURE THE INSOLUBLE FLUORIDE OF SAID METAL, SILICA AND THE FLUORIDE OF SAID ALKALI.
US274830A 1951-03-10 1952-03-04 Method of caulking fissures Expired - Lifetime US2802268A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247593A (en) * 1963-03-29 1966-04-26 Eagle Chemical Co Silicious dental filling
US3995371A (en) * 1974-10-10 1976-12-07 The Curators Of The University Of Missouri Electroless plating method for treating teeth
RU2635963C1 (en) * 2016-06-02 2017-11-17 Наталья Ивановна Михейкина Method for caries prevention and treatment
EP3513777A1 (en) 2018-01-22 2019-07-24 Ivoclar Vivadent AG Method for the remineralisation of teeth

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792200A (en) * 1928-09-20 1931-02-10 Thomsen Jorgen Ernst Dental cement and process of making the same
FR947290A (en) * 1947-05-29 1949-06-28 Dental impression composition and its method of manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792200A (en) * 1928-09-20 1931-02-10 Thomsen Jorgen Ernst Dental cement and process of making the same
FR947290A (en) * 1947-05-29 1949-06-28 Dental impression composition and its method of manufacture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247593A (en) * 1963-03-29 1966-04-26 Eagle Chemical Co Silicious dental filling
US3995371A (en) * 1974-10-10 1976-12-07 The Curators Of The University Of Missouri Electroless plating method for treating teeth
RU2635963C1 (en) * 2016-06-02 2017-11-17 Наталья Ивановна Михейкина Method for caries prevention and treatment
EP3513777A1 (en) 2018-01-22 2019-07-24 Ivoclar Vivadent AG Method for the remineralisation of teeth

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