The scientific article Patient-related risk factors for implant therapy. A critique of pertinent literature on page 417 assesses the relevant literature and provides evidence-based information on the successful surgical placement of dental implants. Test your knowledge by first reading the article, then go to http://www.ada.org.au. Log on to the members site and click on ‘Journal’. Then click on ‘ADJ CPD Quizzes’ and choose this month’s issue. Select the option that you think provides the best answer to each question. Click ‘Done’ 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.