The article The all-ceramic, inlay supported fixed partial denture design. Part 1. Ceramic inlay preparation design: a literature review by MC Thompson et al. on page 120 reviews the literature with regards to the ideal inlay preparation design. Test your knowledge by first reading the article, then go to www.ada.org.au. Click on “Journal” and follow the links until you find this month’s issue. Select the option that you think provides the best answer to each question. Click “Submit” and in an instant you’ll know how you scored. Remember to print out a copy of your score for your records. Completion of this quiz entitles you to 1 CPD hour. Please note the Editorial Office will no longer accept hard copies of completed questionnaires. The Quiz must be completed online and a printed copy of your results retained for CPD audit purposes.