Clinical Update quiz
The Clinical Update online is a free member service providing up to 11 FREE CPD hours per year.
Each month, the Clinical Update is published online and in the Victorian Dentist. There are 11 Clinical Updates per year, corresponding with the distribution of the Victorian Dentist from February to December. This service is available to ADAVB and ADATas members only. Members can log in to view and answer the Clinical Update questions. If you answer at least eight out of 10 questions correctly, you will receive one hour of scientific CPD.
Please note: Each new Clinical Update will be available below from the first business day of each month. Correct answers are printed in the next edition of Victorian Dentist and not before.
June Clinical Update
Fracture resistance of defective amalgam restorations repaired with a resin-based composite material
Hopkins CE, Restrepo-Kennedy N, Elgreatly A, Comnick C, Vargas M, Teixeira EC. JADA 2023:154(2):141-150. doi.org/10.1016/j.adaj.2022.10.012.
Compiled by Dr Sarah Chin.
Many amalgam restorations are functional after a number of years and may have a defective, fractured portion or secondary caries. Dental practitioners need to consider whether the amalgam can be repaired rather than replacing the whole amalgam restoration. Studies have previously found that repairs with amalgam or composite materials can last several years, and most studies have looked at small defects.
The option to repair can be affordable, delay the need for more invasive procedures and prevent unnecessary removal of healthy tooth structures. There are no studies on the reparability of large defects in large amalgam restorations including interproximal surfaces. The aim of this study was to evaluate the fracture resistance of large mesio-occluso-distal (MOD) amalgam restorations with a cusp fracture repaired with a bulk-filled resin-based composite material.
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