ISSN: 1899-0967
Polish Journal of Radiology
Established by prof. Zygmunt Grudziński in 1926 Sun
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1/2022
vol. 87
 
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Head and neck radiology
abstract:
Original paper

Efficacy of low dose and ultra-low dose on the visibility of peri-implant fenestration and dehiscences: a computed tomography study

Ceren Aktuna-Belgin
1
,
Gozde Serindere
1
,
Huseyin Berkay Belgin
2
,
Mehmet Serindere
3
,
Kaan Orhan
4

1.
Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Hatay Mustafa Kemal University, Hatay, Turkey
2.
Private Dental Clinic, Turkey
3.
Hatay Education and Research Hospital, Hatay, Turkey
4.
Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ankara University, Ankara, Turkey
© Pol J Radiol 2022; 87: e24-e29
Online publish date: 2022/01/13
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Purpose
This study aimed to evaluate the visibility of peri-implant fenestration and dehiscences on computed tomo­graphy (CT) images taken with 2 different doses.

Material and methods
The defects were created on the apical of 6 implants randomly selected from 20 titanium implants placed in the ribs, and dehiscences were created on the cervical of 8 implants. No defects were created around 6 implants. Macroscopic analysis of the implanted ribs was accepted as the gold standard. From the samples, images were taken by using both ultra-low dose (80 kVp, 50 mA, 1.25 mm slice thickness) and low dose (100 kVp, 50 mA, 1.25 mm slice thickness) protocols in CT. The images obtained were evaluated using a 5-point scale.

Results
No significant difference was found between the area under the receiver operating characteristic of ultra-low dose protocol and low dose protocol in both defects based on the Wilcoxon test (p > 0.05).

Conclusions
The ultra-low dose protocol could be applied by adhering to the “as low as reasonably achievable” principle in the diagnosis of peri-implant defects.

keywords:

computed tomography, radiation dose, implant, fenestration, dehiscences




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