Endo-Resto Case Utilizing Digital Dentistry

A clinical case by our Community member Dr Ahmad Al-Hassiny

This article and its content are published under the Author’s responsibility as an expression of the Author’s own ideas and practice. Styleitaliano denies any responsibility about the visual and written content of this work.

Dentistry has warily accepted the long-promised infusion of technology. Based on technology borrowed from the aerospace, automotive, and even watch-making industries, this technology is now widely recognized due to its advantages of greater speed, precision, and efficiency without compromising quality. Today’s chairside and laboratory-based computer-aided design/computer-aided manufacturing (CAD/CAM) systems are used to design and manufacture metal, alumina, and zirconia.
This case demonstrates the benefits of digital dentistry in restoring an endodontically treated tooth with a deep mesial margin.

styleitaliano style italiano initial situation

Fig.1
Starting with an x-ray. A deep secondary decay under an old amalgam filling with pulpitis symptoms were the diagnosis for this case.

styleitaliano style italiano endo treatment completed

Fig.2
Straight after endo completion and core placed. Tooth preparation was not yet completed.

styleitaliano style italiano Tooth preparation completed

Fig.3
Tooth preparation completed. Note the deep mesial margin managed using retraction cord.

styleitaliano style italiano Digital scanning of the preparation

Fig.4
Tooth preparation scanned using CEREC Primescan. Plus, the crown was designed using CEREC and was milled in Primemill.

styleitaliano style italiano E.max CAD.

Fig.5
Finished milled stained and glazed crown post processing. All done inhouse.
The E.max CAD A3 MT was now ready to be cemented.

styleitaliano style italiano Intaglio surface of the restoration

Fig.6
Intaglio surface of the restoration before acid etching.

styleitaliano style italiano Etching of the restoration

Fig.7
E.Max restoration was etched using hydrofluoric acid etch 5% for 20 seconds.

styleitaliano style italiano Cementation procedure

Fig.8
Ceramic silane primer applied, air dired, then Panavia V5 system was used for cementation.

styleitaliano style italiano Final restoration placed

Fig.9
Final restoration placed.

styleitaliano style italiano Final situation

Fig.10
Final situation.

Conclusions

Modern digital dentistry has made restoring teeth more reliable and predictable than ever before.

Bibliography

  1. Alsaeed AY. Bonding CAD/CAM materials with current adhesive systems: An overview. Saudi Dent J. 2022;34(4):259-269. doi:10.1016/j.sdentj.2022.03.005.
  2. Shah N, Thakur M, Gill S, et al. Validation of Digital Impressions’ Accuracy Obtained Using Intraoral and Extraoral Scanners: A Systematic Review. J Clin Med. 2023;12(18):5833. Published 2023 Sep 8. doi:10.3390/jcm12185833.
  3. Küçükkaya Eren S. Clinical applications of calcium silicate-based materials: a narrative review. Aust Dent J. 2023;10.1111/adj.12986. doi:10.1111/adj.12986.
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