Fracture Resistance of Maxillary Premolar teeth with Class II Cavities Restored by Both Direct Composite Restorations and Endodontic Post Systems
Journal Title: Scholars Journal of Dental Sciences - Year 2018, Vol 5, Issue 1
Abstract
Abstract: To evaluate fracture resistance of maxillary premolar teeth with Class II cavities restored with direct composite restorations and endodontic posts.A total of 40 sound, maxillary premolars with similar size and shape will be collected. The teeth will be randomly divided into three groups of ten specimens each (n = 10). Two groups (n = 5) will be remained untreated; G 1: restored with direct composite only; G II: restored with rigid post and direct composite; G III: restored with fiber post and direct composite; G IV: un-prepared and un-restored and G V: prepared and un-restored. Following trepanation, the root canals instrumented to an apical size of ISO 40, obturated and restored as grouped; before fracture using universal testing machine:High significant differences were found between all the tested restorative system except between group I and group III; where there was no statistical significance difference between the two groups [p=0.018] at p<0.05.Endodontically treated premolars with MOD cavities, can be restored to the load-bearing capability of sound premolars when using quartz fiber posts..
Authors and Affiliations
Muhannad A. Aldawsari, Nashaat M. Magdy
Keywords
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