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In Vitro Radiographic Detection of Cement Overhangs on Cement-Retained Implant Restorations

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2013
1822.pdf (176.1Kb)
Authors
Antonijević, Đorđe
Obradović-Đuričić, Kosovka
Rakočević, Zoran
Medigović, Ivana
Article (Published version)
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Abstract
Purpose: The aim of this in vitro study was to investigate the potential of digital and conventional radiography to detect small amounts of residual dental luting cements around implant abutments. Materials and Methods: Artificial cement and aluminum overhangs in varying thicknesses, heights, and depths were radiographed adjacent to implant restorations with a radiovisiography sensor. Five trained evaluators were asked to identify the smallest depth of overhang that could be detected on radiographs. Results: For detection of cement overhangs adjacent to implant abutments, a luting agent must have greater radiopacity than what is recommended by relevant International Organization for Standardization directives. To detect a 0.1-mm-thick portion of excess cement adjacent to an implant abutment, the cement should have a radiopacity of at least 1.7 mm of aluminum for high-resolution digital radiographs and 2.2 mm of aluminum for film-based radiographs. Two-way analysis of variance revealed ...that the thickness of the specimens, type of imaging detector, and type of cement all affected the radiopacity threshold for artificial cement excess (P lt .05). The height of the specimens and the surrounding structures were not statistically significant factors in cement detection. Conclusions: Digital radiography offers better possibilities for visualization of cement excess than conventional radiography.

Keywords:
cement overhang / digital radiography / luting cement / radiopacity
Source:
International Journal of Oral & Maxillofacial Implants, 2013, 28, 4, 1068-1075
Publisher:
  • Quintessence Publishing Co Inc, Hanover Park

DOI: 10.11607/jomi.3057

ISSN: 0882-2786

PubMed: 23869365

WoS: 000322424700016

Scopus: 2-s2.0-84899770900
[ Google Scholar ]
8
7
URI
http://smile.stomf.bg.ac.rs/handle/123456789/1827
Collections
  • Radovi istraživača
Institution
Stomatološki fakultet
TY  - JOUR
AU  - Antonijević, Đorđe
AU  - Obradović-Đuričić, Kosovka
AU  - Rakočević, Zoran
AU  - Medigović, Ivana
PY  - 2013
UR  - http://smile.stomf.bg.ac.rs/handle/123456789/1827
AB  - Purpose: The aim of this in vitro study was to investigate the potential of digital and conventional radiography to detect small amounts of residual dental luting cements around implant abutments. Materials and Methods: Artificial cement and aluminum overhangs in varying thicknesses, heights, and depths were radiographed adjacent to implant restorations with a radiovisiography sensor. Five trained evaluators were asked to identify the smallest depth of overhang that could be detected on radiographs. Results: For detection of cement overhangs adjacent to implant abutments, a luting agent must have greater radiopacity than what is recommended by relevant International Organization for Standardization directives. To detect a 0.1-mm-thick portion of excess cement adjacent to an implant abutment, the cement should have a radiopacity of at least 1.7 mm of aluminum for high-resolution digital radiographs and 2.2 mm of aluminum for film-based radiographs. Two-way analysis of variance revealed that the thickness of the specimens, type of imaging detector, and type of cement all affected the radiopacity threshold for artificial cement excess (P  lt  .05). The height of the specimens and the surrounding structures were not statistically significant factors in cement detection. Conclusions: Digital radiography offers better possibilities for visualization of cement excess than conventional radiography.
PB  - Quintessence Publishing Co Inc, Hanover Park
C3  - International Journal of Oral & Maxillofacial Implants
T1  - In Vitro Radiographic Detection of Cement Overhangs on Cement-Retained Implant Restorations
VL  - 28
IS  - 4
SP  - 1068
EP  - 1075
DO  - 10.11607/jomi.3057
ER  - 
@article{
author = "Antonijević, Đorđe and Obradović-Đuričić, Kosovka and Rakočević, Zoran and Medigović, Ivana",
year = "2013",
url = "http://smile.stomf.bg.ac.rs/handle/123456789/1827",
abstract = "Purpose: The aim of this in vitro study was to investigate the potential of digital and conventional radiography to detect small amounts of residual dental luting cements around implant abutments. Materials and Methods: Artificial cement and aluminum overhangs in varying thicknesses, heights, and depths were radiographed adjacent to implant restorations with a radiovisiography sensor. Five trained evaluators were asked to identify the smallest depth of overhang that could be detected on radiographs. Results: For detection of cement overhangs adjacent to implant abutments, a luting agent must have greater radiopacity than what is recommended by relevant International Organization for Standardization directives. To detect a 0.1-mm-thick portion of excess cement adjacent to an implant abutment, the cement should have a radiopacity of at least 1.7 mm of aluminum for high-resolution digital radiographs and 2.2 mm of aluminum for film-based radiographs. Two-way analysis of variance revealed that the thickness of the specimens, type of imaging detector, and type of cement all affected the radiopacity threshold for artificial cement excess (P  lt  .05). The height of the specimens and the surrounding structures were not statistically significant factors in cement detection. Conclusions: Digital radiography offers better possibilities for visualization of cement excess than conventional radiography.",
publisher = "Quintessence Publishing Co Inc, Hanover Park",
journal = "International Journal of Oral & Maxillofacial Implants",
title = "In Vitro Radiographic Detection of Cement Overhangs on Cement-Retained Implant Restorations",
volume = "28",
number = "4",
pages = "1068-1075",
doi = "10.11607/jomi.3057"
}
Antonijević Đ, Obradović-Đuričić K, Rakočević Z, Medigović I. In Vitro Radiographic Detection of Cement Overhangs on Cement-Retained Implant Restorations. International Journal of Oral & Maxillofacial Implants. 2013;28(4):1068-1075
Antonijević, Đ., Obradović-Đuričić, K., Rakočević, Z.,& Medigović, I. (2013). In Vitro Radiographic Detection of Cement Overhangs on Cement-Retained Implant Restorations.
International Journal of Oral & Maxillofacial ImplantsQuintessence Publishing Co Inc, Hanover Park., 28(4), 1068-1075.
https://doi.org/10.11607/jomi.3057
Antonijević Đorđe, Obradović-Đuričić Kosovka, Rakočević Zoran, Medigović Ivana, "In Vitro Radiographic Detection of Cement Overhangs on Cement-Retained Implant Restorations" 28, no. 4 (2013):1068-1075,
https://doi.org/10.11607/jomi.3057 .

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