Zirconia crowns with grainy texture? (Photo)

Hi:Unfortunately your crown can not be used for the implant in the future.  A new crown has to be made that fits the new implant and abutment which will be different in size than the crown you used to have on your own tooth.Best,Dr. Maddahi

Hi:You are right, using a whitening toothpaste and whitening mouthwas is the best solution.  I would recommend Oral Essentials Whitening Toothpaste and Mouthwash since it can be used daily without any sensitivity.Best,Dr. Maddahi

Hi Morgan,If your temporary crown came off, call the dental office and see if they recommend you seeing anyone to have the temporary put back on.  If not, they may be able to give you some temporary cement for you to put it back on yourself.  It's obviously better if a dentist does it, so call a...

Hi:Normally the color of porcelain can not be changed, however if it is due to consuming staining liquids then you can try Oral Essentials whitening strip to remove the stain.Best,Dr. Maddahi

If the fracture is purely esthetic (ie. porcelain) and does not affect the margins or the integrity of the crown, you do not need to replace it.  If you do need to replace it, I would suggest getting a metal occlusion instead of a porcelain occlusion.  

An X-ray  would really help figure out how badly decayed it is. However from the photo you posted it looks like that with me still be savable!  Your best bet is to get it checked as soon as possible before it deteriorates anymore