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Disinfection in Dentistry - Disinfectant
One of the most important activities in dental practice is high-quality disinfection.
surfaces, equipment, materials and tools. This is the main component of the complex of activities for
prevent the spread of disease.
According to statistics, a large number of infections occur in the dentist’s chair. Here you risk
get not only standard nosocomial infections, but also more serious diseases: HIV, hepatitis,
tuberculosis . Failure to comply with sanitary norms can lead to infection not only of patients, but also of all
clinic staff , as well as their family members.
Disinfection of surfaces.
Disinfection of surfaces in the dental office is an extremely important element in the prevention
nosocomial infection. When working with high-speed turbines and drills in the air
a suspension appears consisting of microscopic droplets of water and pathogenic microorganisms. Aerosols
held in air for up to 30 minutes and extend to a distance of up to 80 cm. and when using water
cooling diameter of the aerosol cloud reaches 2 meters. All this settles on surfaces and tools.
Treatment and disinfection is aimed at reducing bacterial insemination of all surfaces, including
equipment, tables, armrests, door handles and taps and should be carried out after each patient.
Disinfection can be carried out in the presence of the patient, therefore, according to SanPiN 2.1.3.2630-
10, the tool should belong to the 4th class of low-hazard substances (for all types of effects on the body).
There are 3 zones with different levels of hygiene:
1 zone :
The treatment area where the highest level of hygiene is to be maintained. The basis of work in the 1st zone should
lay principles:
Sterility (dental instruments);
Disposable (disposable items);
Individuality (gloves);
2 zone:
The boundary of the treatment area, including the surface of the manipulation table, armrests, dental unit,
pusters, individual glasses (drinking bowls), spatulas and cups for kneading impression material, etc.
Treatment and disinfection of surfaces in these areas is carried out after each patient, at the end of the shift and as
pollution.
Zone 3 : The rest of the office: furniture, equipment, door handles, faucets and sinks, germicidal lamps,
fixtures, walls and floor. In this zone, the current cleaning is carried out daily, at least 2 times a day from
using disinfectants .
As means of disinfection and presterilizing cleaning, are used
only authorized in the prescribed manner in the Russian Federation chemical means
used strictly in accordance with the guidelines approved
Department of State Sanitary and Epidemiological Surveillance of the Ministry of Health of Russia.
Criteria for choosing a disinfectant.
When choosing a disinfectant, it is necessary to clearly define the requirements for disinfecting
means.
It:
wide spectrum of action;
no toxicity;
no impact on the processed objects;
quick action;
resistance to environmental factors;
residual antimicrobial effect;
ease of use;
lack of smell;
profitability;
good solubility;
stability;
washing properties.
Properties of items to be disinfected.
In the dental practice are used various in design and composition of medical
instruments and medical devices that require careful selection of tools for the most complete
disinfection and maximum care. For example, we need a tool to process
instruments, respectively, the selection is among the drugs, in the guidelines which indicate their
the possibility of applying for this object disinfection. Preference is given to disinfecting means.
with a washing effect that does not cause corrosion. This criterion significantly narrows the range of choice.
drug.
The breadth and spectrum of the antimicrobial action of the disinfecting agent.
Disinfectants can affect the following types of infections: viral, bacterial,
fungal and sporicidal . Not all drugs affect all types of infections, you need to know
what effect can be expected and what level of disinfection is needed.
The ability to combine the stages of processing medical products.
Now the market has a large number of broad-spectrum products. This is a combination of washing
and disinfection, disinfection and sterilization, presterilizing cleaning and disinfection in a single process.
There are universal means of action that can be used for disinfecting medical
instruments and for disinfecting surfaces, premises, furniture, medical equipment, dishes,
linen, sanitary - technical equipment, cleaning equipment. Disinfectants with
additional features such as disinfection of surfaces with a deodorizing effect and the presence of
detergent effect of the drug give greater freedom of choice and create a favorable atmosphere for work.
Terms of use of working solutions and the possibility of their repeated use.
This criterion is necessary when calculating the economic benefits. But it should be borne in mind that with large
disinfectant will be unusable ahead of time
suitability of working solutions, respectively, its use is not always beneficial. Some funds can
apply only during one work shift, others within 36 days. The range of disinfectants by date
the shelf life of working solutions is quite wide and you can choose the best option for each
specific dental facility.
Convenience of use of disinfectants.
The concept of “usability” is a collective term and includes the following
aspects of working with the drug:
solubility;
release form;
temperature regime of disinfectant;
smell;
cooking conditions;
storage stability;
speed.
As is known, chlorine-containing substances eventually lose their biocidal activity, especially in the light, that
creates certain inconveniences, since constantly have to check the presence of active chlorine in the product before
by application. Compliance with temperature, i.e. maintaining a certain temperature value
solution during disinfection and chemical sterilization greatly complicates the work with the data
disinfectants. The container in which the product is produced and the volume of these products, as well as the conditions of preparation
working solution - everything must be considered when choosing a disinfectant.
The degree of toxicity.
Degree of toxic effects on humans may manifest as inhalation hazard, possible
poisoning when disinfectant enters the gastrointestinal tract and possible effects on the skin. Most important undoubtedly
is the inhalation effect on humans, because this poisoning occurs much more frequently than
accidental disinfecting of the stomach. Classification of inhalation hazard
disinfectant contains four classes in accordance with the size of the zone of acute toxic
actions.
In dentistry, it is allowed to use drugs belonging to the third and fourth class of danger.
The presence of the third class of danger (for example, if it enters the stomach) in the instructions for use of the drug,
implies its relation to moderately dangerous means that it is forbidden to use in the presence of
patients. In accordance with SanPiN 2.1.3.2630 -10 “Sanitary and epidemiological requirements
medical organizations ”, only fourth-class drugs are allowed
application in the presence of people. This is a very important point if you choose a tool for the current cleaning and
disinfection dental office. Wiping the surfaces of the treatment area can be done in
presence of the patient.
Effects on processed objects.
In dentistry, complex and expensive equipment is used, which rapidly deteriorates when
use of "aggressive" disinfectants. The best means for disinfecting products
Medical preparations are considered compositions based on QAS and cationic surfactants, because, having a wide range of
actions, they have the most gentle effect on materials of products, do not violate their functional
properties and have a detergent effect, which allows them to be used for combined disinfection and
pre-sterilization cleaning.
Staff training.
An important point affecting the quality of disinfection is personnel training.
It is necessary to have detailed instructions for carrying out both current and general cleaning, taking into account
used disinfectant, as well as the order of surface treatment in the office.
Disinfecting Forward Disinfectant
specially designed for use in dentistry.
The drug was created to replace expensive disinfectants
foreign production for a more affordable - Russian, without loss of quality.
"Defect-Forward" is analogous in its properties, and for some
indicators superior to disinfectants izvestsnyh producers: "Johnson and
Johnson, Schulke and Meyer.
The main advantages of disinfectants line "Disfekt".
They have high detergent properties, do not spoil the processed objects, do not discolor fabrics, do not fix organic pollution and biosubstrates, do not cause corrosion;
Do not contain phosphates, aldehydes, acids, active chlorine and oxygen;
According to the parameters of acute toxicity in accordance with GOST 12.1.007-76 belong to the 4th class of low-hazard substances (for all types of effects on the body);
In accordance with SanPiN 2.1.3.2630-10 approved for use in the presence of people;
They have a balanced synergistic composition and a high degree of stability: with a minimum amount of active ingredients (from 2.6 to 9%) they have a broad spectrum of action and powerful disinfecting ability;
Destroys odors of different origin;
Possess prolonged antimicrobial action;
Do not lose their physico-chemical properties and biocidal activity during freezing and subsequent thawing.
In accordance with GOST 194330-81 are not dangerous cargo, fire and explosion proof;
Working solutions do not have a cumulative and allergenic effect, are biodegradable, environmentally friendly. When disposing do not require additional dilution with water.
Have a pH level close to neutral;
Shelf life of 5 years. Working solutions keep efficiency within 36 days, can be used repeatedly.
Do not cause resistance in microorganisms;
Versatile in use: can be used by wiping, irrigation, spraying, immersion, aerosolization, foam generation;
Active in hard water, in the presence of organic pollution;
They have all the necessary permits for use at all sites;
Cleaning and disinfection of conventional medical instruments
The use of "Defect-Forward" for disinfecting medical products
appointments, including combined with presterilizing cleaning.
Medical devices must be completely immersed in the working solution of the product immediately after
their use, ensuring the immediate removal of visible contaminants from the surface by using
cloth napkins. Used wipes are placed in a separate container, disinfected, then
disposed of.
The channels and cavities in the products are filled with a solution, avoiding the formation of air plugs. Through
the channels alternately pump the solution of the agent and remove the air using a syringe or other device.
The procedure is repeated several times until complete removal of biological contaminants.
Detachable products are immersed in the solution in disassembled form. Products having castle parts are immersed.
disclosed, having previously made them several labor motions for better penetration of the solution into
hard-to-reach areas of products in the area of the castle part. The thickness of the layer of products above the products should not be
less than 1 cm
Disinfection of dental equipment means "Defect" Forward.
Otteski, denture blanks and other dental materials, pre-washed in 0.05%
solution means "Defect" Forward. Disinfect by immersing them in the working solution by modes
(given in the instructions). At the end of the disinfection, the dental materials are rinsed with running water.
water, after which they are dried in air. Means for the processing of casts are used repeatedly
processing at the same time no more than 50 prints. At the first signs of a change in the appearance of the solution
it should be replaced.
Suction systems in dentistry are disinfected using a working solution means concentration
1.5%. 1 l, is passed through the installation suction system for 2 minutes. Then 1.5% solution
leave it for 30 minutes (at this time the suction system is not used). Procedure
carried out 1-2 times a day, including at the end of the work shift.
Disinfection of air in the dental office means "Dezfekt-Forward . "
Air disinfection is carried out using technical installations by spraying working solutions
agents with a concentration of 0.6% at an exposure of 30 minutes or 0.8% at an exposure of 15 minutes, at a consumption rate
50-100 ml / m3. Pre-disinfect surfaces, close windows and doors, turn off the inlet
exhaust ventilation. After disinfection exposure the rest of the working solution, if necessary
removed from the surfaces with a dry cloth, and the room is ventilated for 10-15 minutes.
Disinfect Forward Sanitizer has antimicrobial activity against
various gram-negative and gram-positive microorganisms, including causative agents of purulent
septic and other nosocomial infections (intestinal and Pseudomonas aeruginosa, staphylococci and other
known pathogens of nosocomial infections), pathogens of especially dangerous infections - plague, cholera, mycobacterium tuberculosis,
fungi of the genus Candida, trihofiton (effective for the prevention of candidiasis and dermatophytes), molds,
fungal spores, viruses (for all known human pathogen viruses, including enteral viruses
and parenteral hepatitis (including hepatitis A, B and C), HIV, poliomyelitis, adenoviruses, enteroviruses,
rotaviruses, SARS viruses, H5N1 avian flu virus, A / H1N1 swine flu virus
human herpes. The tool is characterized by residual antimicrobial action.
"Defect-Forward" contains as an active substance a complex of 2-quaternary ammonium
compounds - alkyldimethylbenzylammonium chloride, dimethyldidecylammonium chloride, as well as fragrance, dye,
water
The "Disinfection Center" produces premium class disinfectants to protect your health.
Documents regulating disinfection and sterilization activities
in dental institutions
1. OST 42-21-2-85 “Sterilization and disinfection of medical products. Methods, means, modes ";
2. Order of the Ministry of Health of the USSR of 12.07.1989 No. 408 "On measures to reduce the incidence of viral hepatitis
in the country";
3. Order of the Ministry of Health of the USSR of 03.09.1991 No. 254 “On the development of disinfection in the country”;
4. Order of the Ministry of Health of Russia dated August 18, 1997 No. 170 “On measures to improve HIV prevention and treatment
infections in the Russian Federation ";
5. Guidelines for disinfection, presterilizing cleaning and sterilization of medical products
appointments (MU-287- 113 dated 12/30/1998), approved by the Department of Gossaped Dispensary of the Ministry of Health of Russia
6. "The concept of prevention of nosocomial infections", approved by the dimensional deputy
RF Minister of Health Onishchenko G.A. 12/06/1999;
7. Manual "The use of ultraviolet germicidal radiation for air disinfection and
surfaces in rooms ”(Р 3.1.683-98, approved by the Ministry of Health of the Russian Federation);
8. Sanitary and epidemiological rules SP 3.5.1378-03 "Sanitary and epidemiological requirements for the organization and implementation of disinfection activities";
9. Sanitary and epidemiological rules SP 1.1.1058-01 "Organization and conduct of production control
the observance of sanitary rules and the implementation of sanitary - anti-epidemic (preventive)
events ";
10. Guidelines MUK 4.2.1035-01 from 23.05.2001 “Methods of control. Biological and microbiological
factors. Control of disinfection chambers ";
11. Manual "Organization of modes of disinfection and sterilization in dental institutions, offices"
(L.A.Ponomareva, Moscow Disinfection Station No. 7, 1998);
12. Methodical recommendations “On the organization and conduct of anti-epidemic measures in institutions
Dental Service ”(Ph.D., PS Oparin, Irkutsk Disinfection Station, Siberia-Vostok Journal,
April 2000);
13. Methodical letter TsGSEN in Moscow from 21.03.1995, No. 12/20 / -208 “Organization of sanitary and hygienic
and disinfection and sterilization regimes in dental institutions ”;
14. The manual on the use of disinfectants and sterilization in hospitals and the organization of disinfection modes and
sterilization in the departments of endoscopy and dentistry. Moscow, 1998.
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