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[Nickel solubility and metallic taste].

P Pfeiffer1, H Schwickerath

  • 1Klinik und Poliklinik für Zahn-, Mund- und Kieferheilkunde der Universität zu Köln.

ZWR
|October 1, 1991
PubMed
Summary

Metal taste and burning mouth sensations are often linked to dental restorations, particularly those containing nickel. Higher nickel solubility in saliva correlated with increased reports of metallic taste, suggesting alloy composition is a key factor.

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Area of Science:

  • Oral Medicine
  • Materials Science
  • Biochemistry

Context:

  • Metal taste (dysgeusia) and burning mouth syndrome are common oral complaints.
  • Dental restorations, including partial dentures, can be a source of metal ions.
  • Alloy composition and solubility are critical factors in oral biomaterial interactions.

Purpose:

  • To investigate the relationship between nickel content in dental alloys and the prevalence of metal taste.
  • To assess the solubility of various alloys in human saliva.
  • To correlate alloy solubility with patient-reported oral sensations.

Summary:

  • Saliva samples from individuals with partial dentures were analyzed for nickel content.
  • The solubility of dental alloys in saliva was studied.
  • A strong correlation was observed between nickel solubility and the frequency of metal taste, indicating alloy composition influences oral sensations.

Impact:

  • Provides insight into the etiology of metal taste associated with dental prosthetics.
  • Highlights the importance of alloy selection in preventing adverse oral sensations.
  • Informs dental professionals and materials scientists about the oral biocompatibility of metallic dental materials.

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