About Me

Name: duka
Loading...

Create Your Own Blog Find Other Townhall Blogs

Comments

Archives

Blog Roll

 

What are Autoclaves and Why are they Needed?

Medical facilities have always had the problem of how to sterilize their equipment for reuse or disposable. The modern dental autoclaves implemented today are a far cry from past methods used, and they are the best means of sterilizing materials either before reuse or disposal. When you are looking for  autoclaves for your facility, there will be several factors to take in to consideration. You will also need to know the proper way to use them in order to ensure that the equipment placed into it is fully sterilized.

One hundred years ago, surgical instruments were just tossed into a vat of boiling water for several minutes before reuse. Things have changed in the last century. Today, most equipment required for patients is single use, so that there is no need to find a means of sanitizing it before applying the same piece to another patient. There is though, the problem of disposal. While in the 20th century most hospital waste was just burned, incineration is not an environmentally friendly tactic. Prior to throwing away used equipment, it must be sterilized to prevent landfill contamination. This is why every facility that uses medical equipment needs several autoclaves.

The way these necessary pieces sterilize is through the use of highly heated steam. Water can only reach 100 degrees Celsius, but steam can get up to 120 degrees Centigrade or higher. In fact, the hotter the steam inside the dental autoclave, the less time the equipment must be in it in order to kill all microbes such as viruses, bacteria, and prions. These temperatures are achieved by removing the air from the machine, which is not as effective at sterilization as steam is. There are several means of taking the air out of the unit, among these are the use of a vacuum pump, gravity, or alternating between pressurizing and depressurizing the chamber. Once the air is removed, the steam inside can begin its cleaning task. Depending upon the temperature, the length of time to achieve sterilization can vary.

In order to ensure sterilization, there will be some things that must be done and checked by the technician. The use of autoclave tape is one means of verifying that the equipment reached high enough temperatures for the right length of time to kill surface microbes. Autoclave tape is a highly sticky tape that is applied to the equipment. It is able to withstand the steam inside the unit and will change colors when the equipment is properly sterilized. The technician must also be certain to place the equipment in the machine with ample space around the pieces. This will enable the hot steam to come into contact with all of the surfaces. Another thing to ensure that the autoclave is working is to purchase a model with pressure and temperature gauges on the exterior of the machine. These must be
easy to read from the outside of the unit during use.

Once the pieces inside the  autoclaves are processed, they can then either reliably be reused or safely thrown away without fear of landfill contamination. The safety of patients and the community rests in the functioning of the  autoclaves and their task in sanitizing used medical equipment.

Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

dental foot control

Typical dental foot controls include a single lever that controls the speed of anair-powered or electrically-powered handpiece. Single-lever dental foot controls suffer from the disadvantage that they may be actuated from essentially a single position, so that as the dental professional moves around the patient it may be necessary to move the foot control. In addition, dual-lever foot controls are available, but they suffer from essentially the same problem.Various attempts have been made to address this problem by, for example,providing an actuator for the foot control that may essentially be actuated from any position around the foot control. Currently there are available dental foot controls with a disk actuator (a low angle cone, disposed over the base of the foot control) that provides increased accessibility for the dental professional.It has been found that the cord connecting these prior art foot controls (often called"rheostats"in the art) to the dental instrument and its point of connection to the foot control itself pose problems for the dental professional operator.
Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

Dental autoclave

Dental autoclave is used for sterilisation by a combination of heat (steam) and pressure (with vacuum in some cases) in the following areas:

  • Dental area (Dental autoclave, Dental sterilizer, CLASS B Autoclave)
  • Media preparation
  • Making laboratory waste safe prior to incineration or disposal
  • Glassware, instruments and apparatus sterilisation
  • Product sterilisation
  • Fluid and diluent sterilisation
  • Health care

Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

dental light

The dental light   illuminates  the patient’s mouth and treatment area. It may be onceiling track or mounted to the DDS. Dental light  shouldbe properly positioned 30-36 inches from the patient’s face. Most dental light  mounted to the DDS consist of three major assemblies: the transformer and rigid arm assembly,  flex arm assembly,  and the light  head assembly. The intensity   switch   located   on   the transformer housing is used to set the intensity of the light to low, medium, or high settings. The dental light head rotates on three different axes. It can rotate as much as 180° horizontally, 125° vertically, and 45° diagonally from either side.
Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

Dental Apex Locator

ROOT-SW apex finder (Dental Apex Locator) is a mature product in the international dental area and
dentist give it the good comment for its remarkable function and excellent
quality.

Features:
1) The Dental Apex Locator (Apex Locator) can accurately read the meter whether the canal is filed with blood, electrolytes   (hypochlorite, H20, saline)
2) The function of automatic conversion: the position of the file tip and meter reading are directly related, root canal enlargement can easily be performed while continuously monitoring the length of the canal electrically
3) Automatic monitor's audible signals set
4) Display: the meter is easy to read in the color wide screen liquid crystal display.

5) Fashionable and beautiful design, small volume, light weight and also easy to clean and 

    disinfect
6) Easy for operation; efficient, accurate and convenient for using without X ray radiation;

    enhance the standardize of the canal cure technology in clinic

Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

Dental Syringe

A dental syringe is a kind of dental parts used by dentists for the injection of an anesthetic. It consists of a breech-loading syringe fitted with a sealed cartridge containing anesthetic solution.

The ancillary tool (generally part of a dental engine) used to supply either water or air to the oral cavity for the purpose of cleaning debris away from the area the dentist is working on, is also referred to as a dental syringe. A 3-way syringe has separate internal channels supplying air, water or a mist of air and water, created by combining the pressurized air with the waterflow. The syringe tip can be separated from the main body and replaced when necessary.
Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

Curing Lights

Polymerization in the dental practice requires highly energy rich blue light. Intensities of at least 1,000 mW/cm ? are considered to be ideal for achieving adequate composite polymerization results in short curing times (as of 10 seconds) or when curing indirect ceramic restorations. If this is not the case, complete curing of deeper layers is not ensured, which may lead to tooth sensitivity, discoloration, marginal gap formation and heightened wear.

It was interesting to note that every second curing light achieved a light intensity of only 500 mW/cm? or less and was there fore considered to be inefficient. It was quite alarming to find that most of the LED units tested showed extreme fluctuations of the light intensity and even clear deviations from the data provided by the manufacturers.

Fluctuations in LED units are caused by the differences in quality of the available light emitting diodes. As shown by the leading supplier of dental equipment and dental handpiece, the radiometric power of LEDs can fluctuate quite significantly between 275 and 1,050 milliwatts. As the radiometric power of LED s directly influences the light intensity of the polymerization light, considerable differences between the claimed and actual light intensity can occur in some curing lights.

As a consequence, the operator would have to compensate for this unacceptably high tolerance by extending the light curing time: According to the Total Energy Concept, the light-curing time has to be doubled if the light intensity is reduced by half. The problem in this case is the fact that the user does not know the actual intensity of the LED light.

Recommendations for dentists

The minimum value graranteed by the manufacturer is decisive. In addition, dentists are advised to test the intensity of their curing light with a radiometer at regular intervals. This will allow them to ensure adequate curing and there fore high-quality, long-lasting composite restorations.

Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive

Dental Handpiece

A dental drill (or dentist's drill) is a small, high-speed drill used in dentistry to remove decayed tooth material prior to the insertion of a dental filling. Dental drills are used in the treatment of dental caries. The term "dental drill" is considered the more colloquial form of the term "dental handpiece" although it can also be construed as to include the power source for one or more handpieces, a "dental engine." "Handpiece" and "engine" are more generic and euphemistic terms for generic dental tools.

Modern dental drills can rotate at up to 500,000 rpm,

and generally use hard metal alloy bitsfiles) known as 'burs'. Dental burs come in a great variety of shapes designed for specific applications. They are often made of steel with a tungsten carbide coating, or of tungsten carbide entirely. The bur may also have a diamond coating. (actually small rotary

Dental drills, which have a distinctive, shrill sound, are often a prominent factor in many people's fear of dentistry (dentophobia).

Email ItEmail It | Print ItPrint It | CommentsComments (0) | TrackbacksTrackbacks (0) | Flag as offensiveFlag as Offensive
« Previous1Next »