Is it harmful to leave the tooth root inside the gum when the crown of the tooth has broken away?

It is very difficult to match any type of restoration to natural teeth EXACTLY. However, a talented lab technician, a proper preparation of the teeth (ie. not enough tooth reduction can lead to artificially white and fake looking teeth), and proper porcelain choice can make all the...

There is no specific reason or preference except the convenience, for example being numb in that area only once, being careful using that area w/ temp crown(s), number of appointments, less time,....

Hi: Unfortunately without photo and X-ray it is difficult to give you accurate advice.  Please post photo and X-ray of the affected area. Best, Dr. Maddahi