How to use mixed methods in oral health research.

Wicked problems exist in the realm of oral health research. Due to their inherent complexity, using qualitative or quantitative methods alone may not be adequate for resolving them. Mixed methods approaches combine qualitative and quantitative methods, and thus, can provide a powerful tool for understanding and solving complex problems in dental public health. However, using mixed methods does not come without its challenges. This commentary outlines four main tips for researchers to consider when applying mixed methods to their research projects.