One of the biggest questions facing aspiring oral surgeons is whether to apply for 4 Year or 6 Year OMFS programs. While strategies may exist from an application perspective, there are some significant differences between the two. From a financial perspective, 4 Year and 6 Year OMFS residencies could not be more disparate. Before we dive into the finances, let’s review some of the key differences in the classic 4 Year vs. 6 Year OMFS residency match-up.