Process comparison of plaster and 3D printed models for the production of ceramic dental replacements

Uvod: Poznamo različne načine in materiale za laboratorijske modele za izdelavo zobnih nadomestkov. Največkrat uporabljamo mavčne modele, zaradi napredka računalniške tehnologije in digitalizacije v zobnih laboratorijih pa se razvijajo tiskani modeli iz umetnih mas in virtualni računalniški modeli. Namen: Namen diplomskega dela je s pregledom sodobne literature opisati različne materiale za izdelavo modelov ter postopke in čas izdelave modelov. Na kliničnem primeru bomo predstavili, kakšne so možnosti izdelave, pogoste napake v praksi in različne poti, ki vodijo do končnega izdelka. Primerjali bomo mavčni model s 3D tiskanim modelom. Metode dela: V teoretičnem delu diplomskega dela smo uporabili deskriptivno metodo. Literaturo smo našli v strokovnih in znanstvenih revijah, strokovnih knjigah ter s pomočjo knjižnic in strokovnih baz, kot so Cobiss, PubMed, Medline, Web of Science ter Google učenjak. V praktičnem delu smo v zobnem laboratoriju izdelali tričlenski keramični most na mavčnem modelu in 3D tiskanem modelu ter ju primerjali. Rezultati: Rezultat dela je izdelava individualno oblikovane keramične restavracije s tehnologijo CAD/CAM z mavčnimi modeli in 3D tiskanimi modeli. Diplomsko delo zajema opis postopka izdelave, slikovni prikaz in časovno opredelitev posameznih faz. Protetična oskrba je bila izvedena na tričlenskem mostičku. Razprava in zaključek: V sodobnem zobnem laboratoriju lahko z računalniškim programom sprejmemo intraoralno digitalno zajete podatke iz ust pacienta, ki predstavljajo intraoralno digitalno sliko. Sprejmemo lahko tudi klasične odtise. Z njimi izdelamo mavčne modele. Intraoralen zajem slike ima veliko prednosti v primerjavi s klasičnim odtisom. V večini primerov je potrebna izdelava 3D tiskanih modelov. Ta nam vzame več časa kot izdelava mavčnih modelov. Dimenzijsko se je keramična nadgradnja, izdelana na 3D tiskanem modelu, prilegala v ustih pacienta.Introduction: There are different manufacturing methods and materials for laboratory models to produce dental substitutes. Plaster models are generally used, and due to advances in computer technology and digitization in dental laboratories, plastic models and virtual computer models are being developed. Purpose: Purpose of the diploma work is to review the various literature to produce models, the manufacturing processes and the time of production of models by reviewing contemporary literature. In the clinical case, we will outline the manufacturing options, common practice mistakes, and the various paths that lead to the finished product. We will compare the plaster model with the three-dimensional printed model. Methods: In the theoretical part of diploma work, the method used is descriptive. We found literature in peer-reviewed scientific journals and professional books, using libraries and professional bases such as Cobiss, PubMed, Medline, Web of Science, and Google Scholar. In the practical part, we made a 3-member ceramic bridge in a dental laboratory on a plaster model and a 3D printed model and compared them. Results: Production of individually designed CAD/CAM ceramic dental work with plaster and 3D printed models. The diploma work consists of a description of the production process, pictorial representation and timing of the individual phases. Prosthetic care was carried out on a 3-tooth bridge. Discussion and conclusion: In a modern dental laboratory, we can receive intra-oral digitally captured data from a patient\u27s mouth, representing an intraoral digital image, using a computer program. We can also accept classic prints. We make plaster models with them. Intraoral image capture has many advantages over a classic impression. In most cases, 3D printed models are required. Creating 3D printed models takes more time than making plaster models. Dimensionally the ceramic superstructure made on 3D printed models fits the patient\u27s mouth