Method of treating denture products from acrylic plastics

FIELD: medicine.

SUBSTANCE: invention relates to the field of medicine, more particularly to orthopedic dentistry, namely to a method for treating denture products from acrylic plastics, according to which the product is held in a liquid medium at a ratio of product volumes to a liquid medium of 1:1, while either an aqueous solution of alkali with a concentration of 15 %, or an aqueous solution of hydrochloric acid with a concentration of 10 %, is used as a liquid treatment medium, wherein the product is held in a liquid medium for a period of 24 hours, after which the product is washed with water until the traces of said liquid medium are completely removed.

EFFECT: invention provides an expansion of the assortment of liquid media used and a shortening of processing time up to one day, sufficient to remove the residual monomer below the MPC level from the surface layers of the article.

3 cl, 3 tbl

 



 

Same patents:

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention relates to pharmaceutical industry, namely represents composition, which contains mixture of particles of hydrophobic silicon dioxide aerogel, which have specific area of surface per weight unit (Sw) in range from 500 to 1500 m2/g and size, expressed in form of volume mean diameter (D[0.5]), in range from 1 to 1500 mcm, and at least one first linear silicone oil, which has viscosity higher than 50 mm2/s, and at least second and third linear silicone oils, and each of them has viscosity lower than or equal 50 mm2/s.

EFFECT: mixture of particles of silicon dioxide aerogel and linear oils provides possibility of obtaining compositions, which provide comfort and smoothness of skin after application and have dullness and "soft focus"-adding properties.

23 cl, 8 ex

FIELD: medicine, pharmaceutics.

SUBSTANCE: group of inventions refers to an antiseptic pharmaceutical composition applicable for oral hygiene and treatment of microbial oral diseases, to a method for producing and using it. The composition contains from 0.05 to 0.3 wt % of hydrogen peroxide or its equivalent amount in the form of carbamide peroxide, from 0.001 to 0.03 wt % of eugenol, from 0.001 to 0.01 wt % of camphor, from 0.001 to 0.5 wt % of a salt of zinc or other heavy metals, such as silver, mercury, copper or a mixture thereof; from 1 to 1.2 wt % of sodium fluoride; from 2% to 7 wt % of xylitol, from 0.002 to 0.05 wt % of cetylpyridinium chloride and excipients in an amount sufficient to reduce the composition to 100%. The composition possesses a wide spectrum of action. What is also presented is a method for producing the composition and using it for producing a therapeutic agent effective for odour elimination, suppression and relief of an oral inflammation, dental tartar inhibition; for treating oral diseases; for rinsing and treating orthodontic damages; for preventing oral diseases during orthodontic treatment after oral operations and in the patients using fixed and temporary dentures; for relieving, treating or preventing oral diseases in different categories of patients, such as the patients receiving radiation therapy or chemotherapy, hospital patients and terminally ill patients, patients suffering from eating disorders, endocrine, haematological, cardiovascular and psychosomatic disorders, and besides physically or mentally deprived patients, patients with genetic or inherited changes.

EFFECT: preparing the antiseptic pharmaceutical composition.

22 cl, 3 ex

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to pharmaceutical industry, namely to a method for preparing a medicinal product possessing choleretic activity. The medicinal product possessing choleretic activity and prepared by extracting an elevated part of Lomatogonium carinthiacum in 96% ethanol twice at room temperature, them in 40% ethanol with an extractant added in an amount equal to a discharged one, twice; the filtered aqueous-alcoholic extracts are combined; the extraction cake is extracted in purified water; the aqueous extract is filtered; the aqueous residues of the aqueous-alcoholic extracts are combined with the aqueous extract, concentrated, dried in a vacuum drying cabinet to produce the dry extract in the certain environment.

EFFECT: medicinal product prepared as described above possesses the evident choleretic activity.

11 tbl, 3 ex

FIELD: medicine.

SUBSTANCE: group of inventions relates to medicine and is intended for oral cavity care. Compositions contain non-dialysable material of cranberry extract, in which non-dialysable material of cranberry extract is present in quantity, effective for inhibiting co-aggregation of oral cavity bacteria and/or inhibiting bacterial growth.

EFFECT: group of inventions makes it possible to increase efficiency of oral cavity care due to inhibition of bacterial growth and co-aggregation of bacteria.

15 cl, 5 tbl, 4 ex

FIELD: veterinary medicine.

SUBSTANCE: method comprises subcutaneous administration of antibiotic preparation enroxyl 5% at a dose of 0.1 ml/kg daily one time a day for 7 days and intramuscular administration of homeopathic preparation ovarinin at a dose of 1 ml/kg one time for 4 days, 4-fold.

EFFECT: use of the invention enables to increase the efficiency of treatment, to reduce treatment time and to restore reproductive function of dogs.

2 tbl, 1 ex

Black adler syrup // 2557929

FIELD: medicine.

SUBSTANCE: black adler syrup having laxative action, characterised by the fact that it is produced by preparing black adler tea by boiling the raw material with purified water; the tea is further mixed with refined sugar; the mixture is heated until the sugar is dissolved completely and brought to boil twice with skimming as often as it may be required; the prepared syrup is filtered through gauze in the certain environment.

EFFECT: syrup is high in anthracene derivatives and possesses the pronounced laxative action.

2 dwg, 1 ex

FIELD: medicine.

SUBSTANCE: invention refers to medicine and cosmetology, namely to deep cosmetic products, and can be used for normalising physiological functions of skin and eliminating endogenous or exogenous defects. The invention represents a cosmetic product for fast skin repair containing superoxide dismutase, dexpanthenol, succinic acid, trolox and L-arginine. The product is applied on the skin for 20 minutes with using a material holding the agent and feeding it to the skin over the period of exposure.

EFFECT: cosmetic product enables extending the range of products for improving the skin state, reducing the risk of lower controllability of the effect, and a probability of allergic and inflammatory reactions.

3 cl, 10 ex

FIELD: medicine.

SUBSTANCE: using a polyphenolic complex produced by extracting milled ash berry in 40% ethanol, condensing the alcohol-water extract, adding 95% ethanol, centrifuging the residue, filtering and condensing the supernatant in the certain environment, as an agent possessing anti-inflammatory action.

EFFECT: polyphenolic complex possesses pronounced anti-inflammatory action.

1 dwg, 9 tbl, 7 ex

FIELD: medicine.

SUBSTANCE: group of inventions refers to veterinary science and is applicable for treating bovine mastitis. What is declared is a nosode for producing a preparation for treating bovine mastitis. That involves taking mastitis milk 1 ml with clinical signs of purulent-catarrhal mastitis, filling it 70° alcohol 9 ml to produce a homogenous solution; the produced solution is diluted to "Д6" with 70° alcohol. What is also declared is a preparation for treating bovine mastitis containing an aqueous-alcoholic solution of components. The components are Belladonna, Sulphur, Apis mellifica, Conium, Phytolacca, Silicea and above nosode in the following proportions, wt %: Belladonna - 5, Sulphur - 20, Apis mellifica - 20, Conium - 10, Phytolacca - 10, Silicea - 5, nosode - 15, aqueous-alcoholic solution up to 100%. What is also declared is a method of treating bovine mastitis involving the intracisternal administration of the preparation. The preparation is administered in a dose of 5-10 ml per 1 animal once a day.

EFFECT: declared group of inventions is highly effective in treating bovine mastitis.

3 cl, 5 tbl, 1 ex

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention relates to pharmaceutical composition, containing compound of formula or for prevention or treatment of diseases, associated with oxidative stress, selected from group, consisting of MELAS (mitochondrial myopathy, encephalopathy, lactic acidosis and stroke episodes), MERRF syndrome (myoclonic epilepsy with ragged red fibres) or Kearns-Sayre syndrome, arrhythmia, cardioplegia or myocardium infarction. in formula (1) na stands for 1 or 2, Aa represents 5-membered heteroaryl or heterocycle, each of which has 2 heteroatoms, selected from N, O and S, Rla represents R5a-Xa-Ba-X′a-, Ba represents direct bond, Xa and X′a independently on each other represent direct bond or -OC(O)-, R5a represents hydrogen or 6-9-membered monocyclic or condensed cyclic heterocycle or heteroaryl, each of which has from 1 to 3 heteroatoms, selected from N, O and S, and is optionally substituted with oxo or C1-C6-alkyl, R2a represents -(CR8aR9a)pa-Ya-R7a, pa stands for number from 0 or 1, Ya represents direct bond or -O-, R7a represents hydrogen or phenyl, R3a, R8a, R9a, R10a represent hydrogen, R4a represents -(CH2)pa-Da-R10a-, Da represents C5-cycloalkyl or 6-membered heterocycle, which has 1 heteroatom, selected from N, S and O. Radical values for formula (2) are give in invention formula.

EFFECT: obtaining compositions for prevention or treatment of diseases, associated with oxidative stress.

19 dwg, 5 tbl, 3 ex

FIELD: medicine.

SUBSTANCE: stage of preparing a cast model from the teeth for re-producing, within the abutment teeth at the gingival margin, a denture wax plate 1.8-2 mm thick is laid so as to make it adjacent to the neck area and the alveolar tissue to fit clasp borders. Its surface is shaped, and a smooth taper is created from the neck area towards the mucous membrane, thereby forming the highest plate thickness within the neck area, and narrowing it down gradually along the alveolar tissue.

EFFECT: preventing gingival mucosal injuries within the abutment tooth, reducing the adaptation length and creating the more comfortable prosthesis use environment.

3 dwg

FIELD: medicine.

SUBSTANCE: invention refers to medicine, namely to orthopaedic dentistry, and can be used for restoring a clinical crown lost as a result of an injury or a developing caries. A dental post-and-core consist of two components: post and core. The post component is made of ceramics by computed milling and has an inlay that can be precisely fixed to walls of a prepared root canal, and a supraradicular portion in the form of a stump of a tooth prepared for permanent dental structure with a circular step inclined at an angle of 135 degrees. A cylindrical opening for the core in the form of a standard fibre-glass pin of classical typical sizes is formed inside the post throughout its length. A diameter of the prepared root canal is equal to a diameter of the fibre-glass pin.

EFFECT: invention enables restoring the damaged crown and the dwarfed, damaged neck subgingival part of the root canal with the permanent dental prothesis made of a bioinert material with enabled endodontic re-treatment as it may be required.

1 dwg

FIELD: medicine.

SUBSTANCE: metal frame is made of valve metals. It is cleaned and processed. A ceramic layer min. 50 mcm thick is formed on the metal frame by micro-arch oxydation in a water electrolyte solution of aluminium sulphate; the frame is then glazed, and the denture is thermally processed in vacuum at temperatures not exceeding allotropic transformation temperatures in the metal frame, but no more than 830°C, for a hold up time of min 15 minutes. A temperature rise rate shall not exceed 15°C/min, whereas a cool down rate is no more than 7°C/min, while the ceramic layer relates to total coating thickness as 0.6 - 0.8.

EFFECT: by producing the metal-ceramic structures having the desired physical properties and high strength characteristics, the method enables producing the dentures at lower labour intensity, high quality, reliability and aesthetic characteristics.

20 dwg, 10 tbl, 1 ex

FIELD: medicine.

SUBSTANCE: root canal of a broken tooth is filled up to a physiological opening under X-ray control. The root canal is milled at two-thirds of overall length in diameter equal to that of a fibre glass pin to be used in the tooth. A seat protrusion with a cylindrical side surface surrounding a root canal aperture is formed. The milled root canal and an outer surface of the root are imprinted in silicone to produce a model, wherein the fibre glass pin is mounted into the reflected root canal. Intraradicular and supraradicular root inlays are modelled in wax on top of the pin. Along the outline of the modelled inlay, a circular shoulder skewed at an angle of 45 degrees is milled, and the fibre glass pin is removed. The produced wax structure is scanned in a module of CAD/CAM system. The virtual image is transferred to a computer unit, followed by milling of a ceramic block. The produced structure is mounted in the oral cavity on glass-ionomer cement. An artificial crown is made and attached to the above structure.

EFFECT: method enables restoring the broken clinical crown of the tooth and a thinned broken neck subgingival root by means of a permanent orthopaedic structure made of a bioinert material with a possibility to conduct a root canal treatment, if necessary.

1 dwg

FIELD: medicine.

SUBSTANCE: device is monolithic, of soft polymer with intraoral and occlusive surfaces and a surface facing a nasal cavity. The occlusive surface is configured to mount on a fibrous ring and has retention elements 1-2 mm wide along the whole period of the occlusive part of the device facing the nasal cavity. An outer diameter of the occlusive surface is configured to exceed the diameter of the fibrous ring by 2-3 mm. The intraoral surface is configured to match a patient's hard palate and has a ring on the outer surface.

EFFECT: invention enables marking the limits of the patient's mouth and nose if observing the postoperative upper jaw defects during individual hygiene activities.

1 dwg

FIELD: medicine.

SUBSTANCE: method of repairing a demountable dental prosthesis of the upper jaw consists in matching and fixation of fragments of the demountable dental prosthesis by glue, manufacturing a stone model by the fixed prosthesis, extension by a dental cutter of fracture borders and formation on external borders of retention cavities, parallel to the fracture line, in the quantity of three, on the entire length of the fracture line, equally distant from each other. The ratio of the area of the line, which passes on the fracture line, and the area of the retention cavities must correspond as one to three, while initially the area corresponds to the diameter of the cutter, selected individually by a value obtained as a result of division of the fracture line length by five. After the described preparation the prosthesis is washed, dried, placed on the model, and the formed in the process of milling slots are filled with plastic with the following polymerisation in boiling water under pressure. The obtained prosthesis is processed, ground, polished and fixed in the oral cavity.

EFFECT: restoration of durability and functional characteristics of the broken demountable dental prosthesis by the method affordable for the patient.

1 dwg

FIELD: medicine.

SUBSTANCE: in oral cavity of patient in prosthesis bed flexibility of mucous membrane is measured in oral cavity of patient in prosthesis. Borders of poorly flexible areas are determined. Before packing basic plastic paste on model in cuvette, on prosthesis bed borders of poorly flexible areas are outlined. They are extended for 1.5-2 mm in towards flexible areas. Durable insulating material with width not less than value of flexibility of mucous membrane is fastened on said extended boarders of poorly flexible areas. Cuvette with gypsum model is filled with paste of basic plastic and placed under the press. Plastic polymerisation is carried out. After polymerisation prosthesis is extracted from cuvette and processed.

EFFECT: method, due to preparing gypsum model of jaw before packaging basic plastic, makes it possible to reduce excessive pressure, trauma and atrophy of prosthesis bed tissues in the area of poorly flexible areas of prosthetic bed.

FIELD: medicine.

SUBSTANCE: computer analysis of the patient's speech material is performed. The frequency of sound is determined in the norm for a phoneme, selected from the group: "s", "ts" and "f", the frequency of the same sound for the patient before prosthetics, the frequency of the same sound after prosthetics. After prosthetics the phonetic rehabilitation index (FRI) is calculated by the mathematical formula. If FRI is larger than one, successful phonetic adaptation of the patient to dental prosthesis by the phoneme is determined.

EFFECT: method makes it possible to increase the accuracy of estimating the quality of performed dental intervention, and correction.

3 dwg, 1 ex

FIELD: medicine.

SUBSTANCE: odontopreparation is followed by impression taking. A dental model is injected into cast. Anatomic forms of retainer teeth is restored in wax, and an intermediate part of the prosthesis is modelled. The cast model is imprinted in silicone. The teeth are prepared. A reinforcing fibre tape is prepared. A segment of fibre tape impregnated with universal adhesive is placed on the teeth along the full length taking into account a profile of the masticatory surface up to an equator. The prepared segment is fixed on the teeth with the universal adhesive by polymerisation in halogen light. Self-hardening plastic is placed into the silicon impression to be inserted into the oral cavity. After the plastic is self-polymerised, the impression together with the denture is removed from the oral cavity. The denture is removed from the impression and polymerised additionally within its intermediate portion.

EFFECT: by reinforcing the denture with the fixed reinforcing fibre tape, the method enables increasing durability of the temporary denture, making the temporary denture at one visit and maintaining its aesthetic properties.

1 dwg, 2 ex

FIELD: medicine.

SUBSTANCE: invention refers to medicine, particularly to dentistry, and can be used in orthopaedic dentistry for oncologic patients. A removable resection upper jaw denture with a myogymnastic element comprises an immobilising and resection portions and a removable myogymnastic element. The immobilising portion is configured in the form of a fixing plate having a clasp fixation system on the rest teeth. The resection portion is provided with artificial plastic teeth, contacts directly the rest upper jaw tissues and form a prosthetic bed for a permanent denture. The myogymnastic element is configured in the form of an orthodontic wire individually curved for each patient and having various cross-sections with a bead of a variable diameter sliding along the orthodontic wire. Plastic deposits are made in a base in attachment points of the myogymnastic element. The orthodontic wire is fixed by tension into blind canals.

EFFECT: invention enables combining the dental prosthetics and correction of postoperative tongue dysfunction in the oncologic patients.

1 ex

FIELD: medical engineering.

SUBSTANCE: method involves producing an opening of diameter reaching 2 mm with diamond or hard alloy bore in adhesive cover after preparing abutment tooth and prosthesis or widening already available perforation also to diameter of 2 mm. The prosthesis is set on the abutment tooth and place is marked for creating and directing pin-canal in the area of cutting one-third of the frontal abutment tooth or in the lateral abutment tooth equator area. The pin-canal direction is to correspond to path for introducing the prosthesis. The pin is screwed-in with screwdriver and holder to a depth of about 2 mm into dentin. The prosthesis is set on the abutment for making control. The pin is filed-off to adhesive cover layer after having fixed the prosthesis on composition cement.

EFFECT: prolonged service life; high functional value.

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