Abstract
Objective: The aim of the study was assess the knowledge and attitudes of students and dentists about the use and cementation of intra-radicular posts. Material and Methods: This cross-sectional study interviewed 150 students and 150 dentists in the city of XXXXXXXXX (Brazil). A questionnaire containing questions regarding restorative choice in teeth with large coronal destruction, level of confidence for the use of post and resin cement, function of intra-radicular posts and social-demographic characteristics was applied. Data were analysed using descriptive analysis and associations were tested through logistic regression using 95% confidence intervals. Results: The analysis showed that students presented an odd to choose prefabricated posts 127% greater than the dentists for anterior teeth, 105% greater to choose self-adhesive resin cement and 46% greater to choose conventional resin cement. Considering posterior teeth, students presented an odd to choose prefabricated posts 40% smaller than the dentists and an odd 51% greater to choose conventional resin cement. Conclusion: The formation level (students or dentists) was directly related to clinical choices of the interviewed. The use of prefabricated posts seems to be related to the location of the tooth in the arch, with pre-fabricated posts being more indicated for anterior teeth. Use of pre-fabricated posts in teeth with large coronal destruction is accepted in the literature. However, dentists are still not confident to use of pre-fabricated fiber posts especially in posterior teeth with large coronal destruction.KeywordsResin cements; Post and core technique; Health knowledge, attitudes, practice.
Highlights
Restoration of endodontically treated teeth (ETT) is still a challenge in clinical practice because there are many possible uses of materials and techniques
One of the worst-case scenarios for restoration of ETT is the absence of coronal walls with need of use of an intra-radicular post to provide a better retention for restorative material [13]
Various luting agents as zinc phosphate and self-adhesive/ conventional resin cements may be used to lute these posts [7,8]. Taking this variety of materials into consideration, it is essential that dental students as well as dentists have sufficient knowledge about available materials and techniques to reach a better performance of restorations and longevity of restorative treatment
Summary
Restoration of endodontically treated teeth (ETT) is still a challenge in clinical practice because there are many possible uses of materials and techniques. One of the worst-case scenarios for restoration of ETT is the absence of coronal walls with need of use of an intra-radicular post to provide a better retention for restorative material [13]. Various luting agents as zinc phosphate and self-adhesive/ conventional resin cements may be used to lute these posts [7,8]. Taking this variety of materials into consideration, it is essential that dental students as well as dentists have sufficient knowledge about available materials and techniques to reach a better performance of restorations and longevity of restorative treatment. There is no report evaluating whether students learning are according to the literature and whether students and dentists follow the literature recommendations
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