It is impossible to separate the best specialization in dentistry. Each specialization has its own characteristics. When asking the best specialization, it is very important what you mean. Making money in the field of health should not be more important than providing health to patients.
In short, income as an oral surgeon will currently and for the forceable future well outpace general dentistry and any other dental specialty, on average.Oral surgery is actually expanding. Since conception oral surgery had no real defined boundaries you can do and work on trauma cases 40% of load in a hospital at like 3 am or something (same as plastic surgeons and ENTs). The field is expanding. Oral surgeons get as much as plastic surgeons and ENTs in the hospital setting and have the money making procedures in the clinic such as extraction and impaction cases. Heck some of them do anything which makes money in their clinic ... more like a hobby than it is their primary workload. I want to go into OMFS and trust me you gotta say yes now or it is gonna be too late to catch up with the rest when applying to the program.The highest dental salary in the US is the salary of a dental anesthesiologist. oral and maxillofacial surgeon. They can earn anywhere from $290,000-$400,000 per year.