Comparison of the Estimated Radiographic Remaining Dentine Thickness with the Actual Thickness Below the Deep Carious Lesions on the Posterior Teeth: An in vitro Study

Al Jhany, Nouf; Al Hawaj, Banin; Al Hassan, Alanoud; Al Semrani, Zhour; Albulowey, Mohammed Abdullah; Ansari, Shahzeb

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European Endodontic Journal Comparison of the Estimated Radiographic Remaining Dentine Thickness with the Actual Thickness Below the Deep Carious Lesions on the Posterior Teeth: An in vitro Study [Eur Endod J]

Eur Endod J. 2019; 4(3): 139-144 | DOI: 10.14744/eej.2019.53825

Comparison of the Estimated Radiographic Remaining Dentine Thickness with the Actual Thickness Below the Deep Carious Lesions on the Posterior Teeth: An in vitro Study

Nouf Al Jhany¹, Banin Al Hawaj¹, Alanoud Al Hassan², Zhour Al Semrani², Mohammed Abdullah Albulowey³, Shahzeb Ansari⁴
¹Ministry of Health, Riyadh Elm University Riyadh, Saudi Arabia
²College of Dentistry, Riyadh Elm University Riyadh, Saudi Arabia
³Department of Restorative Dentistry, King Fahad Medical City Riyadh, Saudi Arabia
⁴Department of Preventive Dentistry, Riyadh Elm University Riyadh, Saudi Arabia

Objective: Maintaining the remaining dentine thickness (RDT) is crucial because it acts as a protection barrier to the vital pulp tissue against injury and inflammatory products. Based on the relationship between the radiographic RDT (RRDT) and actual RDT (ARDT), we aimed to develop a validated method for guiding dentists in estimating the RDT before caries excavation.
Methods: 30 extracted human teeth were subject to the two-stage experimentation of exposure to cone beam radiography and measurement of actual remaining dentine after sectioning. RRDT and ARDT were recorded, and the difference was statistically analyzed.
Results: A significant difference in the mean values of the estimated difference in dentine thickness was observed (P<0.05). There was no significant difference between molars and premolars as they exhibited a similar range in the difference of the RDT.
Conclusion: It is challenging to find a stable relationship between RRDT and ARDT.

Keywords: Actual dentine, cone beam tomography, estimation, radiographic, restoration

Nouf Al Jhany, Banin Al Hawaj, Alanoud Al Hassan, Zhour Al Semrani, Mohammed Abdullah Albulowey, Shahzeb Ansari. Comparison of the Estimated Radiographic Remaining Dentine Thickness with the Actual Thickness Below the Deep Carious Lesions on the Posterior Teeth: An in vitro Study. Eur Endod J. 2019; 4(3): 139-144

Corresponding Author: Nouf Al Jhany
Manuscript Language: English

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