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J Indian Soc Pedod Prev Dent. 2013 Oct-Dec;31(4):282-5. doi: 10.4103/0970-4388.121834.

Biological restoration: a 4/5 crown.

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  • 1MSc student, Department of Operative Dentistry, School of Dentistry, Federal University of Vales of the Jequitinhonha and Mucuri, Diamantina, Brazil.


Dental caries is one of the most prevalent conditions in humans; the purpose of restorative dentistry is to recreate the anatomy of the affected tooth thus the use of fragments from natural teeth as an effective restorative method. A maxillary first premolar left was prepared for an inverted 4/5 crown due to involvement of the vestibular face, after prepared received an allogeneic collage with similar color and dimension. Follow-up after 12 months indicated a stable restoration. Clinically, the site was without signs of caries, migration of the fragment or marginal infiltration. Biological restoration is a viable alternative for reestablishing function and esthetics to damaged/decayed teeth and therefore, biological restoration as an alternative to other restorative options.

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