My career is going to be great. I have a full-ride offer as the majority of my dental education is paid by NIH and a small portion paid by my dental school. Student research publications are important for accreditation and about 25% of all student publications in my school are mine. And I have not even started my PhD.
In addition to publications, I brought about 4 times more NIH $$$ than what my dental school gave me. It would take more than delivering 300 gold crowns to bring this much $$$ to school. My school currently loves me so much.
And without even bringing all these publications and NIH $$$, just by doing the PhD, you are more competitive than someone who is #1 in your class.
Would residency program directors prefer an applicant who will be going to private practice or an applicant who will be pursuing an academic career in their field, teaching students and residents, and bringing NIH $$$?
And furthermore, you can even bring NIH $$$ to the residency program while you are a resident. This not only pays for your residency but also brings $$$ to the department you are in.
My advice is that if you are going to do the dual degree program, you need to dream big. Choose the most promising, most competitive, and the most lucrative field. The more lucrative field you are in, the more powerful you will be as a faculty member and the more time you will have for your research and NIH $$$ and also less time for teaching.