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Conservative restorations of endodontically compromised anterior teeth in paediatric patients: physical and mechanical considerations
 

Type:  Articles

Pubblication date:  10/2012

Authors:  M. Vadini*, F. De Angelis*, M. D’Amario**, G. Marzo**, M. Baldi**, C. D’Arcangelo*

Language:  English

Institution:  *Department of Oral Science, Nano and Biotechnology “G. D’Annunzio” University - Chieti, Italy **Department of Clinical Medicine, Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila, Italy

Publication:  supplement to European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Composite restoration; Fiber post; Fracture resistance; Incisors.

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Title:  Conservative restorations of endodontically compromised anterior teeth in paediatric patients: physical and mechanical considerations

Abstract:  Aim Objective of this in vitro study was to evaluate the influence of fiber post placement on fracture resistance of pulpless anterior teeth restored with standardised Class III and Class IV resin composite fillings. Materials and Methods One hundred and five human maxillary central incisors were selected and randomly divided into 7 (n=15) experimental groups (endodontic therapy/ endodontic therapy and one Class III resin composite filling/ endodontic therapy and one Class IV resin composite filling/ endodontic therapy and two Class III resin composite fillings/ endodontic therapy, fiber post and one Class III resin composite filling/ endodontic therapy, fiber post and one Class IV resin composite filling/ endodontic therapy, fiber post and two Class III resin composite fillings). Specimens underwent fracture strength test. Means (N) were calculated and data were analysed using 1-way ANOVA and Tukey multiple comparisons tests (p=0.05). Results Concerning teeth with two Class III, fiber post placement significantly increased fracture strength values from 603.59 to 864.24 N. Specimens restored with one Class III (795.21 N without post, 936.68 N with post) showed higher fracture strength values if compared with specimens with two Class III, with significant differences just concerning specimens without a fiber post. Fracture strength was not significantly influenced by fiber post placement in Class IV groups (720.71 N without post, 799.69 N with post). Conclusion Data suggest that fiber post placement may significantly improve anterior teeth fracture strength when at least two Class III composite fillings are associated to the endodontic treatment. No significant effect of fiber post placement could be recorded when just one Class III or one Class IV composite filling were present.

 
 
 
 
 
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