This themed issue of Evidence Based Dentistry explores the evidence underpinning our attempts to help people quit smoking. In particular it examines the role of vaping and its effects on both dental treatment and on the oral cavity.

This issue explores the many aspects of dentistry which require well researched evidence in order to support the day to day decisions made in dental practice.

This issue explores the relationship between oral diseases and disorders, and other health conditions. It focusses on publications which carefully examine cause and effect.

This issue of Evidence-Based Dentistry highlights the importance of the two-way relationship between research and practice, and how progress in practice is dependent on evidence provided by research.