Dental Prosthetics

prosthetic = an artificial body part; a prosthesis.

appliance = a device, machine, or piece of equipment, especially an electrical one
substitution = the use of one person or thing instead of another
porcelain = china = a hard but delicate, shiny, white substance made by heating a special type of clay to a high temperature, used to make cups, plates, decorations, etc.
chipped tooth = a condition in which a small portion of the tooth's enamel or structure breaks off due to trauma or mechanical stress