ArticleCureus2025
Predictors of Infrazygomatic Crest Implant Failure: A Prospective Study on Risk Factors, Stability, and Clinical Outcomes in Orthodontic Anchorage.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
Funding
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Abstract
introductionInfrazygomatic crest (IZC) implants are widely used for orthodontic anchorage. However, their success is influenced by multiple factors. This study aimed to evaluate the failure rates of IZCs and identify key predictors, including age, sex, implant placement characteristics, loading protocols, inflammation, mobility, bone density, and oral hygiene. Understanding these factors can help optimize treatment strategies and improve implant survival rates. MATERIALS AND
methodsThis prospective, cross-sectional observational study was conducted at the Department of Orthodontics from August 2022 to December 2024. Sixty patients requiring IZC implants were enrolled, with the systematic exclusion of those with systemic conditions affecting bone metabolism. The implants (Dentos Absoanchor, 12/14 mm length, 2 mm diameter) were placed at an insertion angle of 0-90
resultsOf 60 implants, 18 (30%) failed. Patients aged > 18 years had a higher failure rate (~35%) than those aged < 18 years (~25%), while females exhibited a greater failure rate than males. Implants placed at 0-45
conclusionIZC implant failure is multifactorial, with mobility, inflammation, and poor oral hygiene emerging as critical risk factors. Although bone density played a role, implant placement characteristics significantly influenced success. Clinicians should prioritize optimal insertion angles (45-90
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