![]() ![]() Written checklists for use by all staff involved in the management of the components are recommended. It is essential to establish the material treatment methods and the disinfection and packing operations to be carried out together with the laboratory manager. Indicate the risk of infection on the prescription and specify the disinfection practices carried out.The prescription form must be filled in outside the work area and placed in a separate plastic bag, in order to prevent contamination.After disinfection, wearing clean gloves, place the material in a bag and seal it.Disinfection operations must be carried out wearing protective equipment, preferably in the same work area in which the treatment was carried out. Sterilise any material able to withstand autoclave or physical disinfection treatments (metals and ceramics) decontaminate with virucidal disinfectant any materials that are not suitable for physical treatments (impressions, waxes, resins).Wash the prosthesis or impression immediately after removal, because any organic residues that are not removed will inhibit the action of the disinfectant.It is good practice to always check the prescriptions of use regarding the antimicrobial effect of the disinfectant used.Īt the dental practice, practitioners must perform the following operations before sending the material to the dental laboratory: Impressions must be washed and disinfected by immersion or spraying at the dental practice before they are packed. After washing, it is necessary to carry out medium/high-level disinfection, in accordance with the detailed procedure provided below.Īll dental treatments involving the fabrication of custom devices require impression-taking and the exchange of components and patient bite registrations between the dental practice and the laboratory, with the possibility of cross-infection through contact with infected material. Prostheses must be washed and disinfected from the impression-taking stage. Ĭustom medical devices are vehicles of infection from the dental practice to the laboratory and vice versa. As a matter of fact, inadequate decontamination procedures exponentially increase the risk factor: in 2010, the John Cochrane Veteran Administration informed 1800 patients, who had received dental treatment at their facilities, that they may have been exposed to viral infections due to “inadequate” sterilisation procedures. It is therefore essential to adopt stringent biological risk mitigation protocols. The procedure must also be applied to prostheses and orthodontic appliances during all stage of processing, through to delivery. Prevention consists in washing and disinfecting the impression, which must be carried out before dispatch to and return from the dental laboratory. Below, we will focus on the criteria for choosing a disinfectant, which procedures to follow and, lastly, which Zhermack products are intended for impression disinfection. It is therefore essential to adopt strict protocols in order to mitigate the biological risk. Prostheses components and orthodontic appliances are vehicles of contamination, starting from the initial impression-taking stage, as they are potentially infected by the patient’s saliva and/or blood. ![]()
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