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Home Experimental evaluation of two methodologies for the restoration of crown fracture in...

Experimental evaluation of two methodologies for the restoration of crown fracture in permanent anterior teeth

Authors:

  • E. Stellini
    Department of Clinical Dentistry, School of Dentistry, University of Padova, Padova, Italy
  • M. De Francesco
    Department of Paediatric Dentistry, School of Dentistry, University of Padova, Padova, Italy
  • S. Sivolella
    Department of Clinical Dentistry, School of Dentistry, University of Padova, Padova, Italy
  • R. Ferro
    Department of Paediatric Dentistry, School of Dentistry, University of Padova, Padova, Italy
  • G. Denotti
    Department of Paediatric Dentistry, School of Dentistry, University of Cagliari, Cagliari, Italy
  • D. Oberholtzer
    Department of Clinical Dentistry, School of Dentistry, University of Padova, Padova, Italy
  • S. Mazzoleni
    Department of Paediatric Dentistry, School of Dentistry, University of Padova, Padova, Italy

ABSTRACT


Aim

The purpose of this study is to compare, by means of mechanical tests, the resistance of two types of dental
restoration in the uncomplicated crown fracture of human permanent maxillary central incisor: rebonding of the fractured
tooth fragment and application of ceramic veneers.

Methods

Thirty human maxillary central incisors
were divided into three groups of ten teeth each. The teeth of the first group (Group A) were kept intact and used as controls,
while the remaining teeth were sectioned, in order to simulate a crown fracture, and restored respectively with either the
rebonding of the fragment (Group B) or with the use of ceramic veneers (Group C). All samples underwent mechanical tests
by means of a universal test machine.

Results

The mean resistance to fracture recorded is respectively 425.2N for Group A,
233.3N for Group B, and 347.3N for Group C. One-way ANOVA analysis demonstrates statistical significance for at least one
couple of values (Group B compared to Group A). The group of restorations with rebonding of fractured fragments has a
mean value of resistance to fracture that is lower than both intact teeth and teeth restored with ceramic veneers. The
resistance of teeth with rebonded restorations is 54.9 of that of, intact teeth, and resistance increases for teeth
restored with ceramic veneers (81.8 of that of intact teeth).

Conclusion

Ceramic veneers showed a higher
resistance than rebonding and resulted to be more reliable in case of further trauma.

PLUMX METRICS

Publication date:

Jun /2012

Keywords:

crown fracture, dental trauma, permanent teeth, treatment

Issue:

Vol.13 – n.2/2012

Page:

91 – 96

Publisher:

Ariesdue

Cite:


Harvard: E. Stellini, M. De Francesco, S. Sivolella, R. Ferro, G. Denotti, D. Oberholtzer, S. Mazzoleni (2012) "Experimental evaluation of two methodologies for the restoration of crown fracture in permanent anterior teeth", European Journal of Paediatric Dentistry, 13(2), pp91-96. doi:
Vancouver: E. Stellini, M. De Francesco, S. Sivolella, R. Ferro, G. Denotti, D. Oberholtzer, S. Mazzoleni. Experimental evaluation of two methodologies for the restoration of crown fracture in permanent anterior teeth. European Journal of Paediatric Dentistry [Internet]. 2012Jun.1 [cited 2022Jul.05];13(2):91-96. Available from: https://www.ejpd.eu/abstract-pubmed/experimental-evaluation-of-two-methodologies-for-the-restoration-of-crown-fracture-in-permanent-anterior-teeth/
MLA: E. Stellini, M. De Francesco, S. Sivolella, R. Ferro, G. Denotti, D. Oberholtzer, S. Mazzoleni Experimental evaluation of two methodologies for the restoration of crown fracture in permanent anterior teeth. European Journal of Paediatric Dentistry. 2012;13(2):91-96

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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    European Journal of Paediatric Dentistry © | ISSN (Online): 2035-648X
    Registrazione del Tribunale di Milano n. 285 del 14.04.1998 | ROC 1946 - 26.09.2001
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