Unkovskiy Alexey, Beuer Florian, Metin Dilan Seda, Bomze Daniel, Hey Jeremias, Schmidt Franziska
Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Aßmannshauser Str. 4-6, 14197 Berlin, Germany.
Department of Prosthodontics, Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia.
Materials (Basel). 2022 Sep 1;15(17):6034. doi: 10.3390/ma15176034.
ceramic veneers, crowns, and other types of restorations are often made using either the press heating technique or the subtractive method. The advent of lithography-based ceramic manufacturing (LCM) allows for the manufacturing of such restorations in an additive way.
this concept paper describes the first clinical experience in the application of LCM lithium disilicate restorations in vivo for the manufacturing of classic veneers for a patient with severe tooth wear. The applied restorations were analyzed in terms of their marginal fit in metrology software (Geomagic Control X, 3D Systems). Furthermore, the feasibility of 3D printing of non-prep veneers with a 0.1 mm thickness was tested.
the classic LCM lithium disilicate veneers were tried in the mouth cavity and demonstrated adequate esthetics and a sufficient marginal fit of 100 µm. Furthermore, the non-prep veneers with a 0.1 mm thickness could be successfully printed using LCM technology and also demonstrated an adequate fit on the model in vitro.
the described technical approach of lithium disilicate 3D printing with LCM technology may pose a valid alternative to subtractive and analog manufacturing and be a game-changing option with the use of additive chairside ceramic fabrication.
陶瓷贴面、牙冠及其他类型的修复体通常采用热压技术或减法制造方法制作。基于光刻的陶瓷制造（LCM）技术的出现使得此类修复体能够以加法方式制造。
本概念文件描述了LCM二硅酸锂修复体在体内应用于为一名严重牙齿磨损患者制作经典贴面的首次临床经验。在计量软件（Geomagic Control X，3D Systems）中分析所应用修复体的边缘适合性。此外，还测试了3D打印厚度为0.1毫米的非预备贴面的可行性。
经典的LCM二硅酸锂贴面在口腔中试戴，显示出足够的美观性和100微米的足够边缘适合性。此外，厚度为0.1毫米的非预备贴面可以使用LCM技术成功打印，并且在体外模型上也显示出足够的适合性。
所描述的采用LCM技术进行二硅酸锂3D打印的技术方法可能是减法制造和模拟制造的有效替代方案，并且是使用椅旁加法陶瓷制造的变革性选择。
