Spot Dx — What’s behind this gum pain?

Emma is a 23-year-old university student who presents with a four-week history of progressive gingival swelling, pain, bleeding and now purulent exudate.

Test your clinical know-how by taking the quiz below. If you select the wrong answer, have another go — you can try as many times as you like!

Dr Kate Kelso is a GP and medical editor at Australian Doctor.

References on request from Dr Kate Kelso.

Photo reproduced from BMJ, Hillan A, Leahy M F., 380:o2492, 2023 with permission from BMJ Publishing Group Ltd.