close up artificial lithium-disilicate dental crowns of central incisors unpainted and painted.

artificial medicine incisor model mouth oral professional lithiumdisilicate zirconium prosthesis prosthetic reflection smile surgery technician technique technology teeth tooth treatment medical macro lab care ceramic clinic dental dentist dentistry denture health human hygiene implant laboratory white esthetics implantation orthodontist orthodontic beautiful dent partial 3d cosmetic metal occupation painted