Chairside investigations in dentistry

21st century is the era of “smart work.” It is not how hard you work but how much you get done! So everyone is trying to run with the time. Being oral medicine practitioners, it is our duty to diagnose quickly at the same time accurately. Chairside investigations are simple procedures which are performed by a dentist along the chairside. They are easy to perform, non-invasive, quick diagnostic techniques which make diagnosis earlier and easier. They are not only beneficial in dentist’s point of view but also in patient’s point of view as they are cost-effective. Therefore, to become a capable dental practitioner, dentists must know the importance of these diagnostic procedures and perform these investigations routinely in their dental practice. Instead of making this narrative review unnecessarily lengthy, here we have put forth a detailed classification of the chairside investigations in dentistry which will increase the curiosity of readers to go to the depth of each investigation using references provided in the article. In this overview article, we are trying to give a bird’s eye view about important chairside investigations in dentistry.