Page 12 - GP spring 2023

were added using a lab tool and A2-A2.5
opaquer (Figure 6).
Figure 6. Adding dentin mamelon
characterizations with a laboratory
sculpting tool.
Figure 7 shows curing of the opaque layer,
and figure 8 demonstrates the completion of
the tints and opaquers. To complete the resto-
Figure 7. Curing of opaquers.
Figure 8. Cured tints and
opaquers.
www.nysagd.org l Spring 2023 l GP 12
Figure 9. Placement of achro- Figure 10. Adapting composite to full
matic microfilled composite as contour.
the final layer.
ration, an achromatic microfilled compos- References
ite (MI Renamel Microfilled, Cosmedent) 1. Burns DR, Beck DA, Nelson SK, Commit-
was placed (Figure 9), and adapted to full tee on Research in Fixed Prosthodontics of the
contour (Figure 10). The use of this layer Academy of Fixed P. A review of selected den-
allowed for two advantages. First, the ach- tal literature on contemporary provisional fixed
romatic color allowed for the underlying prosthodontic treatment: report of the Commit-
tee on Research in Fixed Prosthodontics of the
characterizations to show through, and sec- Academy of Fixed Prosthodontics. J Prosthet
ondly, the microfilled composite allowed Dent. 2003 Nov;90(5):474–97.
for an easily obtained polish. Following 2. Mohajeri, Mahsa et al. “Marginal Fit of Tem-
polishing, the completed restoration was porary Restorations Fabricated by the Conven-
cemented (Figure 11). tional Chairside Method, 3D Printing, and Mill-
ing.” Frontiers in dentistry vol. 18 31. 5 Sep.
2021, doi:10.18502/fid.v18i31.7236.
3. Tigmeanu, Codruta Victoria et al. “Additive
Manufactured Polymers in Dentistry, Current
State-of-the-Art and Future Perspectives-A Re-
view.” Polymers vol. 14,17 3658. 3 Sep. 2022,
doi:10.3390/polym14173658.
4. Methani MM, Revilla-León M, Zandinejad
A. The potential of additive manufacturing tech-
nologies and their processing parameters for the
Figure 11. Immediate post-op frontal view of fabrication of all-ceramic crowns: A review. J
cemented, characterized printed provisional. Esthet Restor Dent. 2020 Mar;32(2):182-192.
doi: 10.1111/jerd.12535. Epub 2019 Nov 7.
PMID: 31701629.
Conclusion
The choice of provisional material and Dr. Soleymani graduat-
method of fabrication is subject to many ed from the Columbia
clinical variables. Due to its novelty in University College of
dentistry, studies on 3D printing for provi- Dental Medicine. He
sional and permanent restorations are still practices at Dent-Care
limited. However, characterized 3D print- Dental in Sunnyside,
ed nanoceramic provisional crowns seem NY.
to be an excellent option in the aesthetic
zone. This may be especially so if the pa- Dr. Arthur Volker grad-
tient presents with a lost restoration as scan- uated from the Colum-
ning and software design is a quick process. bia University School
Actual clinical time with patients could be of Dental and Oral Sur-
one-third less than a directly fabricated pro- gery. He has published
visional done in an “analog” manner, allow- articles and lectures
ing the clinician not to have their schedule nationally and interna-
adversely affected. tionally on such topics as cosmetic den-
tistry, minimally invasive dentistry, and
dental materials. He practices at Dent-
Care Dental in Sunnyside, NY.