ACCURACY OF CONE BEAM COMPUTED TOMOGRAPHY (CBCT) VERSUS DIGITAL PERIAPICAL RADIOGRAPHY BY PHOTOSTIMULATED PHOSPHOR IN DETECTION OF DENTAL ROOT FRACTURES: DIAGNOSTIC STUDY

Hanan Omar Abo-Alrejal, Hoda Abdel Kader And Omniya Abu El-Dahab,

ABSTRACT


Aim: To Evaluate The Accuracy Of Cone-beam Computed Tomography Versus Photostimulated Phosphor Plate In Detection Of Dental Root Fractures. Methods: Sixty-six Extracted Human Mandibular (28 Anterior And 38 Posterior) Teeth Were Included In This Study. Teeth Were Divided Into Two Groups: First Group (33 Teeth): The Control Group (non-fractured Teeth) And The Second Group (33 Teeth): The Induced Fracture Group. The Second Group Was Divided Into 3 Equal Subgroups Each Of Which Had 11 Teeth With Induced Horizontal, Vertical And Oblique Root Fractures Respectively. After Induction Of RFs, The Fractured And Non-fractured Teeth Were Coded By Numbers From 1 To 66 Using Black Pen And Then All The Teeth Were Recorded According To The Presence Or Absence Of Fracture And The Type Of The Fracture. Inlay Wax Was Then Added Around The Roots Of All Teeth Within The Sockets Of The Dry Human Mandibles. All Teeth Were Then Radiographed Using Two Techniques: Digital Radiographs Were Taken Using Digora Optime ) Soredex, Tuusula, Finland) Size 2 PSP Plate And A Standard Dental X-ray Unit And CBCT Images Were Taken Using Planmeca CBCT Unit.

Results: The Sensitivity Of The CBCT Regarding The Detection Of Fracture Lines (75.27%) Was Greater Than That For The PSP Plate (68.81%). The Specificity Of The CBCT (91.39%) Was Greater Than That For The PSP Plate (specificity =73.11%). Conclusion: CBCT Images Have Higher Sensitivity And Specificity In Detecting The Different Types Of RFs Vertical, Horizontal Or Oblique Root Fractures Compared To PSP Plate. CBCT Are More Accurate Than PSP Plate In Detection Of Vertical, Horizontal And Oblique Root Fractures.

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