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Titanium allergy: diagnostic challenge in dental pre-implant surgery patch testing
Iliyana Stoeva1, Zlatina Tomova1
1Medical University of Plovdiv, Plovdiv, Bulgaria.
Folia Medica
|October 30, 2025
Summary
Titanium dental implants are common, but metal allergies are a concern. Research is exploring potential links between titanium implants and allergic reactions.
Area of Science:
- Biomaterials Science
- Immunology
- Dental Implantology
Background:
- Titanium dental implants are widely used due to their biocompatibility.
- However, concerns exist regarding the potential for titanium and its alloys to induce metal allergies.
- Understanding implant-related allergies is crucial for patient safety and treatment success.
Purpose of the Study:
- To investigate the prevalence and clinical significance of metal allergies associated with titanium dental implants.
- To explore the immunological mechanisms underlying implant-mediated hypersensitivity reactions.
- To identify potential risk factors and diagnostic markers for metal allergy in patients with dental implants.
Main Methods:
- Systematic literature review of studies on titanium dental implants and metal allergies.
- Analysis of case reports and clinical studies detailing allergic reactions.
- Review of immunological assays and diagnostic methods for metal hypersensitivity.
Main Results:
- Evidence suggests a potential link between titanium dental implants and the induction of metal allergies in susceptible individuals.
- Reported symptoms include peri-implant inflammation, lichenoid reactions, and systemic effects.
- Diagnostic challenges exist, with varying reliability of patch testing and other immunological methods.
Conclusions:
- While titanium is generally biocompatible, metal allergy is a potential complication of dental implants.
- Further research is needed to elucidate the exact mechanisms and improve diagnostic accuracy.
- Clinicians should consider metal hypersensitivity in patients presenting with unexplained peri-implant issues.
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