Masking a single tooth with discoloration the two steps technique

Restoring a tooth with a discoloration in the aesthetic zone is only a challenging situation. If more conservative treatments like internal bleaching don’t work properly it is possible to mask that discoloration with an opaque resin and then cover it with a body opacity. The new and modern composite resin materials allow us to work with simplicity and in an easier way. This new composites have some specific opaque resins that allow us to mask the tooth and then give back the final color with just one opacity.

style italiano styleitaliano anterior discoloration

Fig.1
A patient of 40 years old came to our office to improve the aesthetics of 1.2 tooth.

style italiano styleitaliano anterior discoloration

Fig.2
Buccal view.

style italiano styleitaliano anterior discoloration

Fig.3
Evaluation of the tooth shade by using VITA Classic Scale.

style italiano styleitaliano anterior discoloration

Fig.4
Polarized buccal view of the 1.2.

style italiano styleitaliano anterior discoloration

Fig.5
Buccal view of the tooth after the rubber dam isolation.

style italiano styleitaliano anterior discoloration

Fig.6
After cleaning with Al2O3 particles, the surface was etched using 3M™ Scotchbond™ Etching Gel .

style italiano styleitaliano anterior discoloration

Fig.7
Bonding of the surface using 3M™ Scotchbond™ Universal Adhesive.

style italiano styleitaliano anterior discoloration

Fig.8
3M™ Elipar™ DeepCure-S was used for light-curing the composite.

style italiano styleitaliano anterior discoloration

Fig.9
The Pink Opaque shade of 3M™ Filtek Universal Restorative composite was applied on the surface in order to mask the discoloration.

style italiano styleitaliano anterior discoloration

Fig.10
After the opaque resin composite, 3M™ Filtek Universal Restorative, A1 shade, was placed.

style italiano styleitaliano anterior discoloration

Fig.11
Glycerin was applied on the surface and the composite was cured.

style italiano styleitaliano anterior discoloration

Fig.12
Finishing procedure was performed using 3M™ Sof-Lex™ Extra-Thin Contouring and Polishing Discs.

style italiano styleitaliano anterior discoloration

Fig.13
Bedge Spiral Wheel of 3M™ Sof-Lex™ Diamond Polishing System was used for gross finishing of the restored surfaces.

style italiano styleitaliano anterior discoloration

Fig.14
Pink Spiral Wheel of 3M™ Sof-Lex™ Diamond Polishing System was used as additional step for precise finishing of the restored surfaces.

style italiano styleitaliano anterior discoloration

Fig.15
Final restoration.

style italiano styleitaliano anterior discoloration

Fig.16
Final picture without the rubber dam.

style italiano styleitaliano anterior discoloration

Fig.17
Follow up after 1 week.

Conclusions

New dental materials are available in the market and they could solve difficult aesthetic cases with simple and conservative way. In this article a new white opaque resin composite was placed to cover a hard discoloration which is difficult to manage without making a crown. The knowledge of new technology and materials allows to have a best aesthetic results preserving as much dental tissues as possible.

Bibliography

– F.N. Hattab, M.A. Qudeimat, H.S. Al‐Rimawi, Dental Discoloration: An Overview, J. Esthet. Restor. Dent. 11 (1999) 291–310. doi: 10.1111/j.1708-8240.1999.tb00413.x.
– A. Watts, M. Addy, Tooth discolouration and staining: Tooth discolouration and staining: a review of the literature, Br. Dent. J. 190 (2001) 309–316. doi:10.1038/sj.bdj.4800959.
– L.L. Miotti, I.S. Santos, G.F. Nicoloso, R.T. Pozzobon, A.H. Susin, L.B. Durand, The Use of Resin Composite Layering Technique to Mask Discolored Background: A CIELAB/CIEDE2000 Analysis, Oper. Dent. 42 (2017) 165–174. doi:10.2341/15-368-L.
– S.J. Kim, H.H. Son, B.H. Cho, I.B. Lee, C.M. Um, Translucency and masking ability of various opaque-shade composite resins, J. Dent. 37 (2009) 102–107. doi:10.1016/j.jdent.2008.10.002.

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