This is definitely an issue of putting a puzzle back together. Either the new crown is not letting your partial be fully seated or inserted, which you would be able to tell pretty easily by feeling how closely it sits against your palate or gums. If you feel that it is seating all of the way, my...
If you are not in any pain, then you could possible keep it as is and just brush it really well twice daily. if you do start to have pain/swelling, then see a dentist. always get an x-ray! then you know you are seeing someone who is concerned about the roots.
Can you upload a picture? Depending on the situation, matching the teeth can be extremely difficult. The dental technicians that make the crowns vary in their skills. In order to get a perfect shade match, your dentist may need to use a different technician or lab to get the...