A randomized clinical trial to evaluate the safety and effectiveness of the full-veneer crown fabricated with a 3D printed resin material for definitive prosthesis

INTERVENTION: Medical Device : A crown made of a resin 3D printing material for the final prosthesis is attached to an adult, and the safety and effectiveness for one year are compared with a crown made of zirconia as a control to evaluate the manufacturing method and non‐inferiority of the material. ‐Crown made of zirconia material manufactured by subtractive manufacturing or milling ‐Crown manufactured of photocurable resin 3D printing material using the additive manufacturing method CONDITION: Codes for special purposes PRIMARY OUTCOME: Inner surface and marginal fit of permanent prosthetic materials (photopolymerized resin) used in dental 3D printers SECONDARY OUTCOME: Evaluation of the success rate of the prosthesis Fracture and crack inspection using a fluorescence test (Qray) Gingival index Probing Depth, Bleeding on Probing Wear evaluation INCLUSION CRITERIA: • Patients over 19 years of age • Patients who have signed consent for clinical research • Patients requiring single fixed posterior prosthetic treatment • Patients without non‐functional movements such as teething • Patients without jaw joint and other occlusal disorders • Patients whose opposing teeth are natural teeth