Estimation of Remaining Dentine Thickness (RDT) Under
Caries Lesion with a Cone-Beam Computed Tomography
and Standardized Paralleling Technique in Comparisons
to Actual Measurement. In Vitro Comparative Study
Volume 5 - Issue 1
Rozhyna Peshraw Kamal1*, Bestoon Mohammed Faraj2 and Raed Fahim3
- 1KBMS trainee, Restorative Department, Shorsh Dental Teaching Hospital, Iraq
- 2Lecturer at Department of Restorative dentistry, School of Medicine, Faculty of Dentistry, University of Sulaimani, Iraq
- 3Lecturer at Department of Restorative Dentistry, School of Medicine, Faculty of Dentistry, University of Hawler, Iraq
Received:July 6th, 2021 Published:August 18th, 2021
Corresponding author:Rozhyna Peshraw Kamal, KBMS Trainee, Restorative Department, Shorsh Dental Teaching Hospital,
Sulaimany, Kurdistan region, Iraq
DOI: 10.32474/MADOHC.2021.05.000201
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Abstract
Objective: Determining a viable and reliable method for estimation of remaining dentine thickness before starting caries excavation
thus reducing the incidents of post-operative sensitivities and direct pulpal exposure through finding a logistic and accurate
relationship between the amounts of actual remaining dentine thickness and the radiographic remaining dentine thickness.
Methods: In three-stage experiment 60 extracted human teeth were examined by digital radiography, cone beam computed
tomography, and microscopically after hand excavation of remaining caries, the results were compared and statistically analyzed
for each tooth.
Result: No significant difference between actual clinical and CBCT measurements (P=0.98) but a significant difference between
actual clinical and periapical radiographs (P=0.000021).
Conclusion: Determining the remaining dentine thickness through everyday periapical radiographs is inaccurate, finding a reliable
and cost-effective method remains a challenge.
Keywords: Remaining dentine thickness; CBCT; Challenge; Caries
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