It is difficult to say what all is happening in this situation. I am not aware of any grey cement even existing, let alone being used. There are many things that could be improved with the photos shared, so being clear on your goals would be step number one. If color is the ONLY concern, th...
No, do not worry, it will come out, and you should just go to get the new one,. temporary crowns its very easy to fall out.thats why we place them in temporarily .
Its time to make a change , make 8 upper zyrconium crowns or veneers and you will enjoy a beautifull smile , its a gift for you , even teeth with a proper smile design , and you will have a great result