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J Clin Periodontol. 2016 Jan;43(1):85-91. doi: 10.1111/jcpe.12491. Epub 2016 Feb 12.

Accuracy of periapical radiography in assessing bone level in implants affected by peri-implantitis: a cross-sectional study.

Author information

1
Oral Surgery and Implantology Department, Faculty of Dentistry, University of Barcelona, Barcelona, Spain.
2
Clinic of Fixed and Removable Prosthodontics and Dental Material Science, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.
3
IDIBELL Institute, Barcelona, Spain.

Abstract

AIM:

The aim of this study was to assess the accuracy of periapical radiography in measuring peri-implant bone levels.

MATERIALS AND METHODS:

Twenty-five subjects with 46 implants in need of surgical treatment for peri-implantitis were included in this cross-sectional study. Prior to surgery, periapical radiographs were taken, a prediction of type of defect was made and radiographic peri-implant bone levels (RxBL) were determined at the mesial and distal aspects. Intra-operatively, the peri-implant bone level (SurgBL) was assessed mesially, distally, buccally and orally and the type of defect was recorded. A paired t-test was applied to detect differences between inter-proximal RxBL and SurgBL. ANOVA was used to compare SurgBL at different circumferential positions.

RESULTS:

The mean inter-proximal RxBL was 4.0 ± 2.2 mm and the mean inter-proximal SurgBL was 5.3 ± 2.3 mm. The difference between RxBL and SurgBL was statistically significant (p = 0.014). There were no significant differences in SurgBL at the mesial, distal, buccal and oral aspects (p > 0.05).

CONCLUSIONS:

The intra-operatively measured peri-implant bone levels were more apical than the radiographic bone levels. The intra-operatively assessed peri-implant bone levels (SurgBL) were similar at all the circumferential positions around the implant.

KEYWORDS:

bone; bone level; bone loss; dental implant; peri-implant diseases; peri-implantitis; periapical; radiography; two-dimensional

PMID:
26660842
DOI:
10.1111/jcpe.12491
[Indexed for MEDLINE]

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