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Why get a washer disinfector for practice instruments? And if you do decide to invest in one, what should you look out for? Malcolm Card, has the answers


A


s we all know, decontamina- tion is a hot topic, with current guidelines being


now being rigorously upheld by bodies such as the CQC, RQIA, HPS or HSE, certainly in some regions. The need to know what is


available, how to prolong the useful life of your instrumen- tation and how to protect both the patient and the team from the risk of cross contamina- tion is now, more than ever, unavoidable. It is important that the dental team follows a strict cross-infection regime in accordance with current infection control guidelines. The use of thermo-washer


disinfector dryers such as the ThermoK- lenz from W&H is currently a


topic of much debate and discussion, but if you consider the fact that a member of your dental team is manu- ally cleaning soiled and contaminated medical instruments with sharp protrusions – a task which is neither enticing nor effec- tive, particularly for those actually doing the cleaning – the question, ‘to have or not to have?’ becomes clearer. If you are looking to achieve


‘Best Practice’ and are currently asking your staff to hand- wash instruments, it is time you looked at purchasing an automated


washer disinfector as recom- mended by current guidelines. So why purchase an


accredited thermo-washer disinfector manufactured for purpose? The thermo-washer should ideally be manufac- tured from high-grade stainless steel, with the chamber of AISI 3ı6 quality; this is to prevent corrosion by ensuring it can cope with the strong detergents used and the heavy amount of use within a busy dental practice. Thermo-washer disinfec-


tors are sophisticated medical devices: thorough cleaning is achieved by


very high water flow rates, created by a powerful pump at high pressure. Process control is an essential feature that regulates and controls the various stages of the cycle. Temperature is regulated to ensure it is below 45°C during the initial stages to prevent possible coagulation of protein; it is then raised to above 60°C at which point the detergent or cleaning agent is introduced into the process. Detergents are formulated


and validated for particular machines and developed to take into account the cleaning efficacy for the cycle profile and the necessity to minimise damage to instruments, so it is strongly advised to use the detergent that the thermo- washer disinfector manufacturer recom- mends. Once the


Scottish Dental magazine 61 Continued »


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