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Beginning of asepsis year9/1/2023 Lister, following Semmelweis, also advocated the disinfection of the hands of operators. Thus he demonstrated the prevention of putrefaction of the dental pulp after devitalisation by arsenic and showed the arrest of putrefaction of the dental pulp when once established and so 'directly curing periodontitis'. He further went on to describe how he treated 'chronic periodontitis' (a term he used to describe chronically infected pulps and dental abscesses) by a course of carbolic acid used to 'mop out the interior of tooth', following the release of 'products of decomposition' from the walls of the pulp cavity. In a paper read before the Odontological Society of Great Britain he described how he used the practice in root canal therapy by cleaning and then filling the pulp cavity and 'interior of the fangs' with 'wool dipped in carbolic acid' followed by the placement of a permanent metal filling over the top, 'thus preventing further putrefaction'. 2Īlthough not universally accepted for many years, the idea of antisepsis was taken up and reported on in 1876 by a London dentist, Ashley Barrett. He reported that nine months since the introduction of this treatment into his surgical wards at the Glasgow Royal Infirmary 'not a single instance of pyaemia, hospital gangrene or erysipelas has occurred in them'. In a series of articles in The Lancet 1 and the BMJ 2 in 1867 he described how these 'microbes' could be prevented from causing infection by the cleansing and covering of a wound with a carbolic acid (phenol) soaked rag and carbolic acid, linseed oil and carbonate of lime putty mixture.
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