Success of palatal implants or mini-screws placed median or paramedian for the reinforcement of anchorage during orthodontic treatment: a systematic review.

Kakali, Lydia; Alharbi, Majed Mohammad A; Pandis, Nikolaos; Gkantidis, Nikolaos; Kloukos, Dimitrios (2019). Success of palatal implants or mini-screws placed median or paramedian for the reinforcement of anchorage during orthodontic treatment: a systematic review. European journal of orthodontics, 41(1), pp. 9-20. Oxford University Press 10.1093/ejo/cjy015

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Objectives To assess the failure rates of palatal implants and palatal mini-screws, independently and comparatively, used for supplementing anchorage during orthodontic treatment. Protocol and registration The protocol was not registered prior to the study. This study was not registered in any publicly assessable database. Materials and methods Screening for inclusion eligibility, quality assessment of studies, and data extraction was performed independently by two authors. The electronic databases MEDLINE, EMBASE, and CENTRAL, as well as unpublished literature, were searched with no restrictions on publication date or language using detailed strategies. The main outcome assessed was palatal implant or mini-screw failure. Randomized controlled trials were evaluated according to the Cochrane risk of bias tool. Prospective and retrospective studies were graded employing the adjusted predetermined criteria of Bondemark. Results Twenty-seven studies satisfied the inclusion criteria. Four were RCTs of low risk of bias, 12 were prospective (2 low, 7 unclear, 3 high risk of bias) and 11 were retrospective studies (6 unclear, 5 high risk of bias). Only one retrospective study assessed both palatal implants and mini-screws. Seventeen studies, including the four RCTs, assessed solely palatal implants and nine studies palatal mini-screws. The median failure risk of palatal implants was 6.0 per cent (range: 0.0-26.1%) and of mini-screws 6.1 per cent (range: 0.0-33.3%). The median follow-up period was 17.9 months for palatal implants and 6 months for mini-screws. Limitations Significant clinical and methodological heterogeneity among studies and highly variable outcomes. Conclusions Both palatal implants and mini-screws have quite low failure rates that are also comparable, though the median follow-up period of palatal implants was quite larger. Therefore, in regular orthodontic cases, the choice between anchoring devices may rely on other factors, such as costs, patient comfort, personal preferences, familiarity with the device, and insertion procedures.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Orthodontics
04 Faculty of Medicine > School of Dental Medicine

UniBE Contributor:

Alharbi, Majed Mohammad A; Pandis, Nikolaos; Gkantidis, Nikolaos and Kloukos, Dimitrios

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0141-5387

Publisher:

Oxford University Press

Language:

English

Submitter:

Renate Imhof-Etter

Date Deposited:

26 Feb 2019 17:13

Last Modified:

26 Feb 2019 17:22

Publisher DOI:

10.1093/ejo/cjy015

PubMed ID:

29608666

BORIS DOI:

10.7892/boris.123534

URI:

https://boris.unibe.ch/id/eprint/123534

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