CPD questions January 2026

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Article: Trying to clear the air: e-cigarette use and periodontal disease

This article is freely available to read in the BDJ at https://www.nature.com/articles/s41415-025-8919-5.

1. e-cigarette use varies with age and sex. According to the findings of this article, which of the below statements is correct?

A. e-cigarettes are used at least weekly by 7.9% of women aged 15 or less

B. e-cigarettes are used at least weekly by 40.6% of people aged over 60

C. e-cigarettes are used daily/occasionally by more women than men in the 16–59 age group

D. e-cigarettes are used daily/occasionally by 9.5% of men aged 16 years or older

2. e-cigarette use may contribute to periodontal disease by which mechanism?

A. increased levels of periodontal pathogens

B. elevated inflammation in the periodontal tissues

C. persistent inflammation leading to bone resorption and tissue degradation

D. all of the above

3. Very brief advice from the Delivering Better Oral Health toolkit to help smokers quit smoking involves:

A. Action, Address, Maintain

B. Ask, Advise, Act

C. Alert, Address, Action

D. Activate, Distract, Deliver

4. Risk for periodontal disease can be ranked as follows:

A. cigarette smokers > e-cigarette users > non-smokers

B. cigarette smokers < e-cigarette smokers = non-smokers

C. cigarette smokers = e-cigarette smokers > non-smokers

D. cigarette smokers > e-cigarette smokers = non-smokers

To answer these questions and earn one free hour of CPD, visit the CPD Hub: https://bit.ly/3XuF4Tv.