The aim of this review was to investigate usage of computer-aided design/computer-aided manufacture (CAD/CAM) such as milling and rapid prototyping (RP) technologies for removable denture fabrication. An electronic search was conducted in the PubMed/MEDLINE, ScienceDirect, Google Scholar, and Web of Science databases. Databases were searched from 1987 to 2014. The search was performed using a variety of keywords including CAD/CAM, complete/partial dentures, RP, rapid manufacturing, digitally designed, milled, computerized, and machined. The identified developments (in chronological order), techniques, advantages, and disadvantages of CAD/CAM and RP for removable denture fabrication are summarized. Using a variety of keywords and aiming to find the topic, 78 publications were initially searched. For the main topic, the abstract of these 78 articles were scanned, and 52 publications were selected for reading in detail. Full-text of these articles was gained and searched in detail. Totally, 40 articles that discussed the techniques, advantages, and disadvantages of CAD/CAM and RP for removable denture fabrication and the articles were incorporated in this review. Totally, 16 of the papers summarized in the table. Following review of all relevant publications, it can be concluded that current innovations and technological developments of CAD/CAM and RP allow the digitally planning and manufacturing of removable dentures from start to finish. As a result according to the literature review CAD/CAM techniques and supportive maxillomandibular relationship transfer devices are growing fast. In the close future, fabricating removable dentures will become medical informatics instead of needing a technical staff and procedures. However the methods have several limitations for now.
ÖzetKök kanal tedavisi sonrası restorasyonların uzun dönem başarısı için kalan diş dokusunun korunması, kök çevresinde ferrule etkinin korunması ve uygulanan kök kanal postunun adezyonu en etkili faktörler olarak kabul edilmiştir. Adeziv sistem kullanılarak yapıştırılan fiber postların uzun dönem başarısı, postların kök kırığını azaltan doğal davranışına bağlanmaktadır. Metal postlarda karşılaşılan en yaygın başarısızlık kök kırığı olmasına rağmen fiber postlarda karşılaşılan başarısızlık ise post desimantasyonudur. Fiber postların adezyonunda kök kanalının şekli, post boşluğunun preparasyonu, post translusentliği ve kullanılan adeziv siman tipi endodontik tedaviyle ilgili bir takım faktörlerdir. Post seçiminde; kök uzunluğu, diş anatomisi, post genişliği, kanal konfigürasyonu ve post ile olan uyumu, koronal diş yapısı, stres, bükülme kuvvetleri, hidrostatik basınç, postun dizaynı, post materyali, materyal uyumluluğu, dentine bağlanma kapasitesi, kron tutuculuğu, tekrar kullanılabilmesi ve estetik gibi faktörler rol oynamaktadır. 2,3
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