Assessment of the Dead Space Between Cemented Post and Remaining Gutta-Percha in Various Types of Teeth Using Radiographic Imaging Among Undergraduate Students: A Retrospective Study

Document Type : Original articles

Authors

1 Department of Restorative Dental Science, College of Dentistry, Taibah University, Madinah, Saudi Arabia

2 Consultant Endodontist, King Faisal Specialist Hospital and Research Center, Madinah, Saudi Arabia

3 College of Dentistry and Hospital, Taibah University, Madinah, Saudi Arabia.

4 Graduate Student, College of Dentistry, Taibah University, Madinah, Saudi Arabia.

5 Graduate Student, College of Dentistry, Taibah University, Madinah, Saudi Arabia

6 Department of Restorative Dental Science, College of Dentistry, Taibah University, Madinah, Saudi Arabia.

Abstract

Aim: Endodontically treated teeth often require post and core which are quite reliant on the seal at the interface of post and remaining GP to avoid microleakage and subsequent failure of the treatment. The aim of this study was to assess the discrepancy between the end of the post and the remaining gutta-percha in endodontically treated teeth restored by undergraduate dental students at Taibah University.
Materials and methods: This is a cross-sectional retrospective study of 290 periapical radiographs of endodontically treated teeth with fiber post. The amount of gap in mm was measured from the radiographs and grouped into four categories according to the extent of the gap from no gap to more than 2mm gap and chi square used to to assess variations in gap presence across different tooth types.
Results: Of the teeth evaluated, 78.3% showed no gap between the post and gutta-percha, indicating a high level of student proficiency. Gaps of over 1 mm were present in only 6.5% of cases, with minimal instances exceeding 2 mm.
Conclusion: The study found that undergraduate students are capable of handling post-space preparations with a high success rate of keeping the gap sizes to the minimum. These results support the need for proper clinical training as well as the need for ongoing education in order to improve this area. 

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