just keep in mind.. if research is in your application presentation... you better be able to explain, talk about, and know the in's and out's of what you did... I don't think the status you had in the project that they would be examining under the microscope... but your comprehension of what you were doing... and maybe how the techniques, thinking process, etc could help you in a career in dentistry.
Many schools are researched based... lets face it... thats how schools get grants from the gov't... and just remember dentistry is not just a clinical thing... they're is a wide world of dental research going on ...behind the scenes stuff... and schools want ppl that will advance dentistry as a whole.