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  5. Case report ESTELITE BULK FILL FLOW by Dr. János Grosz DMD

Bulk and body posteriors

In the daily practice of the average restorative dentist, caries in posterior teeth presents a major part of the treatments applied. Direct resin restorations provide a proven and long-lasting solution; however, during these procedures we face many different challenges. One of them is getting a reliable bond to dentin and enamel, and compensation of composite shrinkage. Conventional techniques and materials requried the use of multiple increments, what resulted in a time-consuming procedure when applied properly. With the introduction of bulkfill materials cavities can be restored with less increments, resulting in faster and more economic procedures. With this we can improove productivity, or use the time saved with the stratification for perfecting the remaining steps of restorative procedures.

Bulk fill materials are now-a-days a reality. In the posterior region they have proven to be the perfect material when used properly. This kind of materials entered the market almost a decade ago, with the skepticism of a big part of the dental community. Years of research are giving amazing results on the clinical performance of these new generation materials.

Case

Patient presented with a failing and unaesthetic restoration in tooth no. 16. The restoration had visible insufficient gingival margin. Reaction to cold stimuli was normal. Local anesthesia was applied, and the rubber dam was placed before removal of the old restoration.

Fig. 1: Failing and unaesthetic restoration in tooth no. 16. Rubber dam was placed. i © János Grosz DMD Fig. 1: Failing and unaesthetic restoration in tooth no. 16. Rubber dam was placed.
Fig. 2: A wedge was placed to protect the rubber dam and the neighboring tooth during removal of the old restoration. i © János Grosz DMD Fig. 2: A wedge was placed to protect the rubber dam and the neighboring tooth during removal of the old restoration.
Fig. 3: Clinical view after removal of the restoration and secondary decay. The cavity was cleaned with glicine powder. The cavity margins were polished with diamond burs and hand instruments. i © János Grosz DMD Fig. 3: Clinical view after removal of the restoration and secondary decay. The cavity was cleaned with glicine powder. The cavity margins were polished with diamond burs and hand instruments.
Fig. 4: Matrix in place with proper marginal seal. Enamel margins were selectively etched with 37% phosphoric acid for 20 seconds, rinsed thoroughly and a self-etch adhesive was applied. i © János Grosz DMD Fig. 4: Matrix in place with proper marginal seal. Enamel margins were selectively etched with 37% phosphoric acid for 20 seconds, rinsed thoroughly and a self-etch adhesive was applied.
Fig. 5: After build-up of the proximal wall, the matrix and the ring were removed to have better access and visibility of the operative field. i © János Grosz DMD Fig. 5: After build-up of the proximal wall, the matrix and the ring were removed to have better access and visibility of the operative field.
Fig. 6: The cavity then was filled up evenly with bulk fill composite. Space was left for a final occlusal composite layer. i © János Grosz DMD Fig. 6: The cavity then was filled up evenly with bulk fill composite. Space was left for a final occlusal composite layer.
Fig. 7: For the modeling of the occlusal surface, a medium translucency body material was used. Anatomy was restored cusp by cusp. i © János Grosz DMD Fig. 7: For the modeling of the occlusal surface, a medium translucency body material was used. Anatomy was restored cusp by cusp.
Fig. 8: Final picture of the restoration immediately after rubber dam removal. i © János Grosz DMD Fig. 8: Final picture of the restoration immediately after rubber dam removal.
Fig. 9: Occlusal check after final polishing and removal of rubber dam. i © János Grosz DMD Fig. 9: Occlusal check after final polishing and removal of rubber dam.
Fig. 10: Occulsal view after 8 months in function. i © János Grosz DMD Fig. 10: Occulsal view after 8 months in function.
Fig. 11: Palatal view after 8 months in function. i © János Grosz DMD Fig. 11: Palatal view after 8 months in function.
Fig. 12: Radiographic image 8 months after the restoration. i © János Grosz DMD Fig. 12: Radiographic image 8 months after the restoration.

Conclusion

With all these strategies, we can succeed in the everyday dentistry, in feasible times and for long term results. This strategy is used by the author and many colleagues in daily bases, thus, we suggest it regardless of the material because is fast and effective.

Author:

Dr János Grosz
Restorative Specialist at Móricz Dental (Budapest)

Móricz Dental Fogászat
Móricz Zsigmond körtér 3a
1114 Budapest
Hungary

https://moriczdental.hu

Bibliography:
  1. Hirata R, Kabbach W, de Andrade OS, Bonfante EA, Giannini M, Coelho PG. Bulk Fill Composites: An Anatomic Sculpting Technique. J Esthet Restor Dent. 2015 Nov;27(6):335-43.
  2. Hirata R, Clozza E, Giannini M, Farrokhmanesh E, Janal M, Tovar N, Bonfante EA, Coelho PG. Shrinkage assessment of low shrinkage composites using micro-computed tomography. J Biomed Mater Res B Appl Biomater. 2015 May;103(4):798-806.
  3. Leprince JG, Palin WM, Vanacker J, Sabbagh J, Devaux J, Leloup G. Physico-mechanical characteristics of commercially available bulk-fill composites. J Dent. 2014 Aug;42(8):993-1000
  4. Ilie N, Bucuta S, Draenert M. Bulk-fill resin-based composites: an in vitro assessment of their mechanical performance. Oper Dent. 2013 Nov-Dec;38(6):618-25.
  5. Manauta J, Salat A, Layers, an Atlas of composite resin stratification, Quintessence 2012.
  6. Scolavino S, Paolone G, Orsini G, Devoto W, Putignano A. The Simultaneous Modeling Technique: closing gaps in posteriors. Int J Esthet Dent. 2016 Spring;11(1):58-81.
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