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Evaluation of the visibility of peri-implant bone defects using ultrasonography with two types of probes

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Fig. 1.

A. Image using both zirconium and titanium implants with fenestrations, B. Fenestration defects around titanium implants, C. Preparation of scanning site; note that the flap was again placed on the scanned region, D. Intra-oral scan, E. Extra-oral scanning of the dental implant sites
A. Image using both zirconium and titanium implants with fenestrations, B. Fenestration defects around titanium implants, C. Preparation of scanning site; note that the flap was again placed on the scanned region, D. Intra-oral scan, E. Extra-oral scanning of the dental implant sites

Fig. 2.

A. US image showing fenestration defects around titanium implants (arrows), B. US showing a fenestration defect around zirconium implant (arrow) scanned with a 13 MHz intra-operative probe that was used intraorally
A. US image showing fenestration defects around titanium implants (arrows), B. US showing a fenestration defect around zirconium implant (arrow) scanned with a 13 MHz intra-operative probe that was used intraorally

Fig. 3.

A. US image showing a fenestration defect around titanium implant (arrowhead), while the fenestration defects were non-visible around A. titanium and B. zirconium implant scanned with a 5–13.3 MHz linear probe that was used extraorally (arrows)
A. US image showing a fenestration defect around titanium implant (arrowhead), while the fenestration defects were non-visible around A. titanium and B. zirconium implant scanned with a 5–13.3 MHz linear probe that was used extraorally (arrows)

Fig. 4.

A. US image showing fenestrations around titanium (left arrow) and zirconium implant (right arrow) scanned with a 14 MHz intra-operative probe, B. Same implants scanned with a 4–9 MHz linear probe that was used extraorally without any fenestration defect visible
A. US image showing fenestrations around titanium (left arrow) and zirconium implant (right arrow) scanned with a 14 MHz intra-operative probe, B. Same implants scanned with a 4–9 MHz linear probe that was used extraorally without any fenestration defect visible

Fig. 5.

A. US image showing fenestrations around titanium implants scanned with a 14 MHz intra-operative probe, B. Same implants scanned with a 4–9 MHz linear probe that was used extraorally with the defect
A. US image showing fenestrations around titanium implants scanned with a 14 MHz intra-operative probe, B. Same implants scanned with a 4–9 MHz linear probe that was used extraorally with the defect

Interobserver agreement between observers. p value less than 0.05 considered as statically significant (95% CI)

ICC p
1st hockey stick probe intraorally 0.784 (0.349-0.930) 0.002
2nd hockey stick probe intraorally 0.909 (0.721-0.971) 0.001
1st linear probe extraorally 0.762 (0.300-0.922) 0.006
2nd linear probe extraorally 0.914 (0.728-0.972) 0.001

Intraobserver agreement for Observer 1 and Observer 2. p value less than 0.05 considered as statically significant (95% CI)

Observer 1 Observer 2
ICC p ICC p
1st hockey stick probe intraorally 0.878(0.632-0.960) 0.0001 0.952(0.817-0.986) 0.001
2nd hockey stick probe intraorally 0.966(0.885-0.989) 0.0001 0.921(0.752-0.975) 0.001
1st linear probe extraorally 0.696(0.095-0.901) 0.019 0.727(0.120-0.913) 0.016
2nd linear probe extraorally 0.849(0.524-0.952) 0.001 0.875(0.609-0.960) 0.001

Comparison of observers with the gold standard. p value less than 0.05 considered as statically significant

Sensitivity Specificity PPV NPV κ p
1st hockey stick probe intraorally Observer 1-Gold Standard 80% 100% 100% 90% 0.837 0.001
2nd hockey stick probe intraorally Observer 1-Gold Standard 80% 89% 80% 89%hz 0.689 0.011
1st linear probe extraorally Observer 1-Gold Standard 100% 33% 46% 100% 0.263 0.145
2nd linear probe extraorally Observer 1-Gold Standard 100% 33% 46% 100% 0.263 0.145
1st hockey stick probe intraorally Observer 2-Gold Standard 100% 89% 83% 100% 0.851 0.001
2nd hockey stick probe intraorally Observer 2-Gold Standard 100% 78% 71% 100% 0.714 0.005
1st linear probe extraorally Observer 2-Gold Standard 60% 22% 30% 50% –0.145 0.481
2nd linear probe extraorally Observer 2-Gold Standard 80% 11% 33% 50% –0.068 0.649
eISSN:
2451-070X
Langue:
Anglais
Périodicité:
4 fois par an
Sujets de la revue:
Medicine, Basic Medical Science, other