Comparative Analysis of Data Efficiency Between Conventional Periapical Radiography and Digital Subtraction Radiography in Chronic Periodontitis Patients

Year 2024, Volume: 51 Issue: 3, 147 - 154

Arzu Alan , Tolga Tözüm , Hilmi Kansu

https://doi.org/10.52037/eads.2024.0024

Abstract

Advancements in technology have spurred a shift towards digital techniques alongside conventional screening methods in dental radiology and across medical disciplines. This study aims to compare the efficacy of two radiographic techniques, periapical radiography and digital subtraction radiography, in assessing bone recovery processes.
Sixty mandibular premolar and molar regions in eighteen chronic periodontitis patients undergoing flap surgery were examined pre- and post-operatively using both periapical radiographs and digital subtraction radiography. Periodontal surgery outcomes were monitored by recording periodontal index, pocket depth, and gingival recession preoperatively (baseline) and at the 3rd and 6th months postoperatively. Standardized parallel periapical radiographs and via digital subtraction radiography images were analyzed by different observers to evaluate changes in alveolar bones and assess surgical outcomes.
Results showed significant reductions in index values and pocket depths, along with an increase in gingival recession. Intraobserver consistency was found to be good and fair, while interobserver consistency was poor across the 0-3, 3-6, and 0-6 month periods. Radiographic evaluation demonstrated a statistically significant increase in digital subtraction radiography data compared to conventional radiography in defect recovery throughout the follow-up period.
This study demonstrated that the digital subtraction radiography technique is more efficient in detecting minimal changes in mineralised tissues that cannot be clearly traced by conventional radiographic techniques.

Keywords: Radiography, Dental, Digital Subtraction, Chronic Periodontitis

Keywords

Radiography, Dental, Digital Subtraction, Chronic Periodontitis

Project Number

05 A 201 002 Hacettepe University Scientific Research Projects Coordination Unit

Thanks

We would like to thank Mr. Erdem Karabulut (BSc, MSc, PhD, Prof. Dr.) who performed the statistical analyses of our study. We appreciate the help of Mr. Mehmet Yaldız and Mr. Osman Atman from the General Directorate of Turkish Sugar Factories' Information Technology team.

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