Abstract
A dental implant surgical guide fabricated by 3-dimensional (3D) printing technology is widely used in clinical practice due to its convenience and fast fabrication. However, the 3D printing technology produces an incorrect guide hole due to the shrinkage of the resin materials, and in order to solve this, the guide hole is adjusted using a trimmer or a metal sleeve is attached to the guide hole. These methods can lead to another inaccuracy. The present method reports a technique to compensate for a decreased guide hole caused by shrinkage that can occur when a computer-guided implant surgical guide is fabricated with a 3D printer. The present report describes a technique to adjust the size of the guide hole using a free software program to identify the optimized guide hole size that is fabricated with the 3D printer.
Highlights
The development of dental digital equipment has made computer-guided implant (CGI) surgery possible [1]
Previous studies reported that the inaccuracies in the guided hole of the surgical guide can affect the accuracy of implant positioning [3,7,8]
The actual hole size of the surgical guide fabricated under the 5.18 mm diameter guide hole was measured to be a mean 5.06 ± 0.03 mm
Summary
The development of dental digital equipment has made computer-guided implant (CGI) surgery possible [1]. An important factor for accurate implant positioning is the tolerance of the guide holes in the surgical guide [3,4,5,6,7,8,9]. The use of dental 3D printers is increasing at a rapid pace Factors such as the type of 3D printer, the light-polymerized resin material used, the accuracy of the equipment, large tolerance between the guide hole and the drill, the shake during the drilling process and the implant during the handling may be guided to an inappropriate position [3,9]. UUsseetthhee““TTrraannssffoorrmm””ffuunnccttiioonnttoommoovveetthheeccyylliinnddeerrssoo iitt ccaann ccoonnttaacctt tthhee eennttiirree gguuiiddee hUsthUstChuohusoehrsleerlegee“ge“ticB(tihcB(FkhcaoFeaoieloigtlo“ghgl“ugBleuueBeruaoraeioneaidondo3dle3DleeHDj,eHua,iha)ifnhs)f.nfo.tfoeeDelDrlddrdeieifndfnfgdfceoceuoerweriew”e”dnnnfnefcucutehtenhn”h”oceceftlftSuieuiSoohnhnn(nicFifctf(tit(itFgiFokoikuinegngeryuuytetorworew3eaJah3dh)3di.IIilj)jule)Tu.e.shsstseteetlnthelhe,ceectetissxniinizpgzgeoetrothohtfefettthchhcyeeyelilsgngiunuudrdiiegdderier,ec,aahhalnonodgldleuet..tihShdSeeeeenlnlewescscetietlttlehthehccetaet guide hole of 5.2 mm diameter from the mesh editing software into a STL format file
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