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Browsing Posts published on March 3, 2012

Choosing Dental Lab equipment: A review
It is important to choose the right dental lab equipment. Before you can even select the right equipment there is need for proper planning because the daily functioning of a dental lab requires top of the range and reliable equipment. These top of the range equipment normally offer the utmost effectiveness for all the procedures which will be carried out in lab. Additionally, remember that choosing and using top of the line quality dental lab equipment can play a big role in making your dental practice far superior than any of the competition.
It is very important for the dentist to be familiar with all the brands available in the market before choosing any equipment for a dental lab. If for instance you want to buy a dental lab handpiece, what are some of the factors that you need to put into consideration?
First of all, it is important that you choose a dental lab handpiece which fits comfortably in your arm; the last thing any dentist would want is to make a mistake because of a fatigued arm. There are so many handpieces in the market and these come in different styles. Ensure that you choose a handpiece which is not cumbersome to use.
Secondly, ensure that you choose a dental lab handpiece which is durable. This will prevent the lab from having to replace these handpieces on a regular basis. Additionally, a handpiece which does not produce a lot of noise and heat will make the process less traumatizing for a patient. The characteristic high pitched shrill sound of the dental handpiece is one of the main reasons why many people dread going to the dentist.
Last but not least, it is important to get a handpiece which is efficient so as to remove material quickly enough and minimize the discomfort caused by the whole dental process. However, a dental practitioner should avoid a dental lab handpiece which will remove the material so roughly and in doing so effectively compromise the dentist’s control of the handpiece.
In reality, these equipment are quite varied in nature and it is of paramount importance that dentists provide patients with comfort and the best services possible. This can only be made possible by choosing state of the art dental lab equipment and quite reassuringly these don’t have to cost an arm and a leg. It is also vital to get as much information as you can before buying any dental lab equipment. Further, ensure that you only buy dental equipment which conforms to the ADA guidelines.

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Dental handpiece having means for opening and closing a chuck. A device for opening and closing a chuck for a dental handpieces has a handle portion and a powerhead assembly including a hollow driving shaft having, adjacent to its outer orifice, a forwardly outwardly tapering portion defining a small diameter rear portion and a large diameter front portion. A chuck pusher is held in a socket member with a disc plate spring interposed between the socket member and the chuck pusher, and the pusher is movable for axially displacing the chuck to hold or release the dental tool.
Ethylene oxide gas has been utilized as an alternative method for sterilization of dental handpiece, as it is less corrosive than steam. However, its effectiveness for sterilization of the internal components of dental handpieces has not been established. The objective of this study was to compare the effectiveness of ethylene oxide and steam for sterilization of dental handpiece. Unused handpieces and handpieces which had been exposed to clinical dental procedures were contaminated with Streptococcus mutans, exposed to steam or ethylene oxide, and flushed with sterile saline. Washings were plated on mitis-salivarius agar, and colonies identified and counted. This data suggests that a substance entrapped within ‘clinical’ handpieces (possibly the biofilm) may protect bacteria from ethylene oxide gas, preventing adequate sterilization.
To understand current status of the uses of dental high speed handpiece, methods of disinfection and sterilization and their effectiveness in dental-care hospitals and out-patient departments of stomatology in general hospitals. METHODS: Ten dental-care hospitals and departments of stomatology in general hospitals at varied levels were randomly sampled during 2000 to 2001 to investigate the uses of dental autoclave and means of their disinfection and sterilization. One used dental handpiece from each hospital or department of stomatology in general hospital selected was detected for possible contamination of bacteria by aerobic bacterial count and CONCLUSIONS: dental handpieces without anti-suction should be replaced soon by those with it or comprehensive dental unit with anti-suction device should be used. Used dental handpieces must be sterilized effectively before next use. Awareness on prevention from cross-infection should be improved for dental-care professional staff and operation of sterilization should be standardized.

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