CN1672656A - Electrochemical process of eliminating tental calculus and the positive electrode therefor - Google Patents
Electrochemical process of eliminating tental calculus and the positive electrode therefor Download PDFInfo
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- CN1672656A CN1672656A CN 200410010152 CN200410010152A CN1672656A CN 1672656 A CN1672656 A CN 1672656A CN 200410010152 CN200410010152 CN 200410010152 CN 200410010152 A CN200410010152 A CN 200410010152A CN 1672656 A CN1672656 A CN 1672656A
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Abstract
The present invention features that positive electrode of metal material with standard potential higher than that of calcium, dental calculus as the negative electrode and saliva inside oral cavity as electrolyte solution constitute one simple primary cell, and that through electrochemical reaction in the primary cell, calcium, magnesium, etc in the dental calculus are transferred to the positive electrode gradually to reach the aim of cleaning teeth. The said method is superior to available ultrasonic method and manual method, may be applied for human body and animals and may be operated by the patient himself. The present invention has high tooth cleaning effect, no pain, no negative reaction, no cross infection, and no dental bleeding.
Description
(I) technical field
The invention relates to a method for removing dental calculus, in particular to a method for removing dental calculus in an electrochemical mode and a positive electrode used for the method.
(II) background of the invention
Periodontal disease is one of the most common diseases of the oral cavity, and is widely prevalent in most people worldwide, and the relationship between the causes of the disease and the influencing factors and the interaction between the factors is very complex. Periodontal disease is thus a multifactorial disease, the initiating factor being plaque, while calculus is a local promoter of periodontal disease.
Calculus is calcified or calcified dental plaque and soft calculus deposited on tooth surface or prosthesis surface, and is formed by the gradual deposition of calcium salt in saliva or gingival sulcus fluid, and is not easy to remove after being formed, and the surface of calculus is rough, so that bacteria plaque is easy to attach on the calculus. Dental calculus usually contains 75-85% of inorganic components, the balance being organic matter and water. The inorganic components of dental calculus comprise calcium phosphate 75.9%, magnesium phosphate 3.7%, calcium carbonate 3.1% and trace metal elements such as sodium, zinc, copper, strontium, manganese and the like. The organic components of dental calculus are similar to those of dental plaque, so that new dental plaque is easy to attach to the dental calculus, and the formation speed of the dental plaque is accelerated, therefore, the dental calculus is obliged to be removed in the treatment of periodontal disease.
Table: dental calculus detection rate of 12-74 year old group across the country
| Age (year of old) | Percentage of detection (%) |
| 12 | 52.03 |
| 15 | 67.91 |
| 18 | 78.59 |
| 35-44 | 94.15 |
| 65-74 | 77.46 |
Numerous studies have demonstrated that periodic scaling (typically 6 months to a year) to remove plaque and calculus, in addition to persistent self-plaque control during maintenance, is an important measure of maintaining periodontal health in patients who have undergone periodontal treatment. Therefore, in developed foreign countries, it has become one of the habits of mostpeople to ask professionals in oral hospitals to "wash teeth".
The existing scaling instruments are mainly an ultrasonic tooth cleaner and a manual scaling device which have the following weaknesses:
ultrasonic dental scaler:
1. disabling a patient with a cardiac pacemaker;
2. the disinfection is extremely important and is easy to cause cross infection;
3. before treatment, patients must be gargled with drugs to prevent the occurrence of bacteremia;
4. the patient has uncomfortable feeling during treatment.
Manual scaler:
1. labor and time are wasted;
2. cross infection is easy;
3. bleeding is easy to occur;
4. the patient feels pain.
The common characteristics of the above two instruments are as follows: the operation of professional personnel is required, and the cleaning is impossible to be thorough.
Disclosure of the invention
The present invention aims at providing one electrochemical method of eliminating dental calculus and its positive electrode. The invention aims at removing dental calculus in an electrochemical mode, is suitable for all people and animals compared with the existing ultrasonic cleaning and manual cleaning, and has the advantages of no pain, no adverse reaction, no cross infection and no bleeding; in addition, the patient can operate the medical nursing bed by himself without professional operation; not only can calculus be removed completely, but also inorganic components necessary for calcification of dental plaque can be automatically removed, so that calcification is difficult to form.
The object of the invention can be achieved by the following measures:
the method for removing dental calculus by adopting electrochemical mode is characterized by that the metal material whose standard electrode potential is higher than that of calcium is selected to make positive electrode, the dental calculus is used as negative electrode, and the oral saliva is used as electrolyte solution to form a simplest primary cell, and the calcium and magnesium in the calculus can be gradually transferred and attached to the positive electrode material by means of chemical reaction so as to attain the goal of removing dental calculus.
The metal material in the invention can be any one of iron, iron-based alloy or copper, silver, gold and stainless steel.
The positive electrode in the invention is a metal sheet with the thickness of less than 0.5 mm; and a calcareous coating is attached to the surface of the metal sheet. The invention aims to accelerate the removal of dental calculus by adhering a calcareous coating film on the surface of a positive electrode.
The positive electrode material in the invention is preferably selected from oral cavity alloys which are definitely suitable for human use in international organization for standardization (ISO), American Dental Association (ADA) and related countries in China, namely metal materials and alloy materials such as precious metal alloys and base metal alloys which are generally called by people, and particularly, iron (Fe) and iron-based alloys which have extremely low system toxicity, small cell toxicity and extremely rare allergic reaction, copper, silver, gold, stainless steel and the like are recommended to be used.
The application method of the technology of the invention is as follows:
1. the metal material is rolled into a metal sheet and coated or plated with a layer of calcium, and an individual can cut the metal sheet according to the needs and then press the metal sheet between teeth and gum to form an electrode.
2. Or making special electrode for multiple use by professional according to the oral cavity mold of patient, and storing after oral cavity dental calculus is removed for next disinfection.
3. Or cut into U shape with film, and the two ends are penetrated out from the slit between teeth and fixed.
The principle of the technology of the invention is as follows:
in the formed dental calculus, the inorganic matter accounts for 75-85%, the inorganic components comprise calcium phosphate 75.9%, magnesium phosphate 3.7% and calcium carbonate 3.1%. The calcium phosphate as solid phase, mainly hydroxyapatite, will become a lyotropic phase Ca with a low Ca/P ratio2+Released into the matrix.
The reaction formula is as follows:
calcium hydrogen phosphate (CaHPO) under the condition of slight acid4) To slowly dissociate into ionic species and release them into the liquid phase, the reaction is as follows:
the formation mechanism of dental calculus is quite complex and is not clear at present, but as can be seen from the reaction formula, the existence of Ca ions exists, and dental calculus is gradually eliminated under the action mechanism of a galvanic cell.
The concentration of inorganic components such as calcium, phosphorus and fluorine in dental plaque is significantly higher thanthat of saliva, and is mostly present in a non-ionic form, such as hydroxyapatite [ Ca]10(PO4)6(OH)2]Fluorapatite [ Ca]10(PO4)6F2]Calcium fluoride (CaF)2)Etc. as the PH decreases, the non-ionic forms of calcium, phosphorus, fluorine can dissociate into ionic forms: ca2+、F-、HPO4 2-、H2PO4 -、PO4 3-Under the action of a galvanic cell mechanism, the bacterial plaque is oxidized and reduced to be difficult to calcify, so that the periodontal cleaning is ensured, and the oral health is maintained.
Compared with the ultrasonic cleaning and manual cleaning in the prior art, the invention is suitable for all people and animals, and has the advantages of no pain, no adverse reaction, no cross infection and no bleeding; in addition, the patient can operate the medical nursing bed by himself without professional operation; not only can calculus be removed completely, but also the inorganic components necessary for dental plaque and calcification can be automatically removed, so that calcification is difficult to form.
(IV) description of the drawings
FIG. 1 is a main sectional view of a positive electrode in the present invention.
Fig. 2 is a schematic structural diagram of a positive electrode in the present invention.
Fig. 3 is a schematic view of a second structure of the positive electrode of the present invention.
Fig. 4 is a schematic view of a third structure of the positive electrode of the present invention.
In the figure, 1 is a positive electrode, 2 is a metal thin sheet substrate, 3 is a calcareous coating layer, and 4 is a hook.
(V) detailed description of the preferred embodiments
Example 1:
the method for removing dental calculus by adopting electrochemical mode is characterized by that the iron alloy material whose standard electrode potential is higher than that of calcium is selected to make positive electrode, dental calculus is used as negative electrode, oral saliva is used as electrolyte solution to form a simplest primary cell, and the calcium and magnesium in the calculus can be gradually transferred and attached to the positive electrode material by means of chemical reaction so as to attain the goal of removing dental calculus.
The positive electrode 1 is a metal sheet base material body 2 which is rolled by adopting an iron alloy material and has the thickness of 0.2mm, the metal sheet base material body is subjected to processes of corrosion prevention, metal material passivation prevention and the like, and a calcareous coating layer 3 is coated or plated on the surface of the metal sheet base material body.
When in use, a professional can be asked to make a special electrode (as shown in figure 4) for multiple use according to the oral cavity die of a patient, the special electrode is hung on teeth through the hooks 4 arranged on the special electrode, and the special electrode is stored after oral dental calculus is removed for next disinfection and reuse.
Example 2
In this embodiment, a metal material silver with a standard electrode potential higher than that of calcium is selected to manufacture a positive electrode 1, which is rolled to form a metal thin sheet base material body 2 with a thickness of 0.4mm, and a calciumcoating layer 3 is coated or plated on the surface of the metal thin sheet base material body. When in use, the slice is cut into a U shape (as shown in figure 3), and two ends of the slice penetrate through the slit between the teeth and are fixed.
Example 3
In this embodiment, a stainless steel material with a standard electrode potential higher than that of calcium is selected to manufacture the positive electrode 1, which is rolled to form a metal sheet substrate 2 with a thickness of 0.1mm, and a calcium coating layer 3 is coated or plated on the surface of the metal sheet substrate. When in use, the slice is cut into an oval tooth socket as shown in figure 2 and is directly sleeved on the teeth.
Claims (4)
1. A method for removing dental calculus in an electrochemical manner is characterized in that: the metal material with standard electrode potential higher than that of calcium is selected to be made into a positive electrode, the dental calculus is used as a negative electrode, oral saliva is used as an electrolyte solution to form a simplest primary battery, and calcium, magnesium and the like in the calculus are gradually transferred and attached to the positive electrode material through chemical reaction, so that the aim of removing the dental calculus is fulfilled.
2. The method of electrochemically removing dental calculus as defined in claim 1, wherein: the metal material is any one of iron and iron-based alloy or copper, silver, gold and stainless steel.
3. A positive electrode suitable for use in the method of removing dental calculus according to claim 1, wherein: the positive electrode is a metal foil having a thickness of less than 0.5 mm.
4. The positive electrode of claim 3, wherein: and a calcareous coating is attached to the surface of the metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410010152 CN1672656A (en) | 2004-03-23 | 2004-03-23 | Electrochemical process of eliminating tental calculus and the positive electrode therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410010152 CN1672656A (en) | 2004-03-23 | 2004-03-23 | Electrochemical process of eliminating tental calculus and the positive electrode therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1672656A true CN1672656A (en) | 2005-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410010152 Pending CN1672656A (en) | 2004-03-23 | 2004-03-23 | Electrochemical process of eliminating tental calculus and the positive electrode therefor |
Country Status (1)
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|---|---|
| CN (1) | CN1672656A (en) |
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2004
- 2004-03-23 CN CN 200410010152 patent/CN1672656A/en active Pending
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