Hi ddsmba,
Your background is certainly unique, and that should help differentiate your application. You can, and should, definitely write about this goal in your essays, as it answers the obvious question of "Why does a dentist want to get an MBA?"
You will want to make it clear how an MBA will help you reach these goals, and you should also be careful with how you frame the reason you want to no longer practice. This part should focus more on why you want to manage clinics, rather than why you don't enjoy the clinical aspect.
Good luck,
Daniel Richards
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