Essаy: A pаtient аsks their dental hygienist if using electrоnic cigarettes is better than smоking a traditiоnal cigarette. They say they know a lot of people using them and they aren’t smoking traditional cigarettes at all! Their clothes also do not stink as bad. For these reasons, the patient is considering switching to electronic cigarettes. The hygienist hasn’t learned about electronic cigarettes (but does agree they smell a lot better). The hygienist tells the patient that before they can make a recommendation, they would like to do research and then have follow-up conversation another day. When the hygienist begins their search of current literature, what would the highest level of evidence (best quality) type of literature they should search for first? (2 points) Is it good or bad that the hygienist decided to converse with the patient tomorrow about the situation above? Why? (2 points)