With the recent interest in more efficient, comfortable, precise and minimally invasive surgical procedures and postoperative repairs, such as crown lengthening, there has been increasing research on the application of full digital technology in clinical scenarios. This clinical case describes an approach to crown lengthening and aesthetic restoration in a digital workflow using net-shaped self-glazed zirconia crowns. The findings of the study demonstrated the high compatibility of self-glazed zirconia with the full digital process. The presented approach ensured a higher degree of precision in crown lengthening prostheses, improved patient comfort and shortened clinical chairside time while achieving both aesthetic and functional requirements of anterior teeth in a timely and efficient manner.
PadburyA, EberR, WangH.Interactions between the gingiva and the margin of restorations. J Clin Periodontol. 2003;30(5):379–385.
2.
HemptonT, EsrasonF.Crown lengthening to facilitate restorative treatment in the presence of incomplete passive eruption. J Calif Dent Assoc. 2000;28(4):290–291. 294–296, 298.
3.
MarzadoriM, StefaniniM, SangiorgiM, Crown lengthening and restorative procedures in the esthetic zone. Periodontol. 2018;77(1):84–92.
4.
MalikK, Tabiat-PourS.The use of a diagnostic wax set-up in aesthetic cases involving crown lengthening–a case report. Dent Update. 2010;37(5):303–307.
5.
GurreaJ, BrugueraA.Wax-up and mock-up. A guide for anterior periodontal and restorative treatments. Int J Esthet Dent. 2014;9(2):146–162.
6.
NoortRV.The future of dental devices is digital. Dent Mater. 2012;28(1):3–12.
7.
RekowE.Digital dentistry: The new state of the art – Is it disruptive or destructive?. Dent Mater. 2020;36(1):9–24.
8.
PassosL, SoaresF, ChoiI, Full digital workflow for crown lengthening by using a single surgical guide. J Prosthet Dent. 2020;124(3):257–261.
9.
Mendoza-AzpurG, CornejoH, VillanuevaM, Periodontal plastic surgery for esthetic crown lengthening by using data merging and a CAD-CAM surgical guide. J Prosthet Dent, 2020. https://doi.org/10.1016/j.prosdent.2020.09.041
10.
AndradeN, MouraG, MaskaB, Dual digitally guided crown lengthening in esthetic area compromised by disharmonic implant crown. Clin Adv Periodont, 2021. https://doi.org/10.1002/cap.10150
11.
YinJ, LiuD, HuangY, CAD/CAM techniques help in the rebuilding of ideal marginal gingiva contours of anterior maxillary teeth: A case report. J Am Dent Assoc, 2017;148(11):834–839.
12.
BeuerF, StimmelmayrM, GuethJ, In vitro performance of full-contour zirconia single crowns. Dent Mater. 2012;28(4):449–456.
13.
LiuY, WangY, WangD, Self-glazed zirconia reducing the wear to tooth enamel. J Eur Ceram Soc. 2016;36(12):2889–2894.
14.
ShenZ, LiuL, XuX, Fractography of self-glazed zirconia with improved reliability. J Eur Ceram Soc. 2017;37(14):4339–4345.
15.
CuiX, ShenZ, WangX.Esthetic appearances of anatomic contour zirconia crowns made by additive wet deposition and subtractive dry milling: A self-controlled clinical trial. J Prosthet Dent. 2020;123(3):442–448.
16.
LiR, ChenH, WangY, Three-dimensional trueness and margin quality of monolithic zirconia restorations fabricated by additive 3D gel deposition. J Prosthodont Res. 2020;64(4):478–484.
17.
WuJ, HuangZ, YangL, The application of net-shape-formed self-glazed zirconia prostheses via a complete digital workflow in oral implant and restoration: a clinical case report. Adv Appl Ceram. 2019;118(6):309–312.
18.
WuLF, SunZ, ZhaoJ, Retrospective clinical study of monolithic zirconia crowns fabricated with a straightforward completely digital workflow. J Prosthet Dent. Advance online publication.
19.
KalsiH, BomfimD, HussainZ, Crown lengthening surgery: an overview. Prim Dent J. 2020;8(4):48–53.
20.
FrizzeraF, PigossiS, TonettoM, Predictable interproximal tissue removal with a surgical stent. J Prosthet Dent. 2014;112(4):727–730.
21.
ScutellaF, LandiL, StellinoG, Surgical template for crown lengthening: a clinical report. J Prosthet Dent. 1999;82(3):253–256.
22.
LiuX, YuJ, ZhouJ, A digitally guided dual technique for both gingival and bone resection during crown lengthening surgery. J Prosthet Dent. 2018;119(3):345–349.
23.
PaolantoniG, MarenziG, MignognaJ, Comparison of three different crown-lengthening procedures in the maxillary anterior esthetic regions. Quintess Int. 2016;47(5):407–416.
24.
RenW, DuF, ShenZ, The workflows of a novel self-glazed zirconia for dental prostheses fabrication: case reports. Adv Appl Ceram. 2018;117(7):406–413.
25.
ChongB, ThangavelA, RoltonS, Clinical and laboratory surface finishing procedures for zirconia on opposing human enamel wear: A laboratory study. J Mech Behav Biomed Mater. 2015;50:93–103.
26.
ChengCW, YeSY, ChienCH, Randomized clinical trial of a conventional and a digital workflow for the fabrication of interim crowns: an evaluation of treatment efficiency, fit, and the effect of clinician experience. J Prosthet Dent. 2021;125(1):73–81.
27.
ShiA, WuZ, HuangJ, Wear performance of self-glazed zirconia crowns with different amount of occlusal adjustment after 6 months of clinical use. Adv Appl Ceram. 2018;117(8):445–451.
28.
AlnazzawiA.Oral diseases associated with fixed prosthodontic restorations. Saudi Med J. 2017;38(3):322–324.
29.
ChenL, YangS, YuP, Comparison of bacterial adhesion and biofilm formation on zirconia fabricated by two different approaches: an in vitro and in vivo study. Adv Appl Ceram. 2020;119(5-6):323–331.
30.
NistorL, GradinaruM, RicaR, Zirconia use in dentistry-manufacturing and properties. Curr Health Sci J. 2019;45(1):28–35.
