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Dent Mater. 2018 Feb;34(2):171-182. doi: 10.1016/j.dental.2017.10.008. Epub 2017 Nov 6.

Osseointegration of zirconia dental implants in animal investigations: A systematic review and meta-analysis.

Author information

1
Medical Center - University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine - University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany; Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin (CBF), CC 3 Dental and Craniofacial Sciences, Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Aßmannshauser Straße 4-6, 14197 Berlin, Germany. Electronic address: stefano.pieralli@charite.de.
2
Medical Center - University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine - University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany.
3
Medical Center - University of Freiburg, Center for Medical Biometry and Medical Informatics, Institute for Medical Biometry and Statistics, Faculty of Medicine - University of Freiburg, Hebelstr. 11, 79104 Freiburg, Germany.
4
Medical Center - University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine - University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany; Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin (CBF), CC 3 Dental and Craniofacial Sciences, Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Aßmannshauser Straße 4-6, 14197 Berlin, Germany.

Abstract

OBJECTIVE:

To determine the osseointegration rate of zirconium dioxide (ZrO2) dental implants in preclinical investigations.

DATA:

Data on the osseointegration rate was extracted considering the bone to implant contact (BIC), removal torque analysis (RTQ) and push-in tests. Meta analyses were conducted using multilevel multivariable mixed-effects linear regression models. The Šidák method was used in case of multiple testing.

SOURCES:

An electronic screening of the literature (MEDLINE/Pubmed, Cochrane Library and Embase) and a supplementary manual search were performed. Animal investigations with a minimum sample size of 3 units evaluating implants made of zirconia (ZrO2) or its composites (ZrO2>50vol.%) were included.

STUDY SELECTION:

The search provided 4577 articles, and finally 54 investigations were included and analyzed. Fifty-two studies included implants made from zirconia, 4 zirconia composite implants and 37 titanium implants. In total, 3435 implants were installed in 954 animals.

CONCLUSIONS:

No significant influence of the evaluated bulk materials on the outcomes of interest could be detected. When comparing different animal models, significant differences for the evaluated variables could be found. These results might be of interest for the design of further animal investigations.

KEYWORDS:

BIC; Ceramics; Dental implants; Push-in; RTQ

PMID:
29122237
DOI:
10.1016/j.dental.2017.10.008
[Indexed for MEDLINE]

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