As a range of materials used in endodontics may cause tooth discolouration, exploration of factors responsible for the darkening of the tooth crown or root is warranted. This narrative review paper discusses the range of technical factors that apply in laboratory studies that assess endodontic discolouration. As an example of how these factors operate, particular examples relating to discolouration caused by endodontic medicaments containing tetracycline antibiotics are used. Following the PRILE 2021 guideline approach, a summary of key variables to be addressed in the methodology for laboratory studies is presented, to inform future work.
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| http://dx.doi.org/10.1111/iej.13708 | DOI Listing |
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