Chromogenic bacterial staining of teeth: a scoping review.

BMC Oral Health

Basic Medical and Dental Sciences Department, College of Dentistry, Ajman University, Ajman, UAE.

Published: January 2025

AI Article Synopsis

  • This scoping review aims to investigate the causes, clinical traits, and treatment methods for chromogenic staining of teeth, following the PRISMA 2022 guidelines.
  • A systematic search across multiple medical databases led to the identification of 989 articles, with 21 ultimately included for analysis, highlighting that chromogenic bacteria can cause staining in 3.1 to 18.5% of cases, primarily resulting in black discoloration.
  • The findings indicate a lack of comprehensive literature on this topic, emphasizing the need for further research into effective management strategies for these challenging stains linked to specific oral bacteria.

Article Abstract

Background: The purpose of this scoping review is to understand the etiological, clinical characteristics and treatment of chromogenic staining of teeth and the various management strategies reported in literature. This SR was performed in accordance with the PRISMA 2022 guidelines and was registered in the PROSPERO database (CRD42024565446).

Methods: A systematic electronic search on databases like Scopus, Medline, EMBASE, CINAHL, ProQuest and Web of Science from inception to July 2024 was performed. Two independent reviewers ran the search strategy in the mentioned databases.

Results: A total of 989 articles were obtained from various databases. 21 were included for data extraction of which 2 were case reports, 1 was case series and 18 were research articles. The prevalence of staining due to chromogenic bacteria reported from the included studies ranged from 3.1 to 18.5%. All these studies reported on the typical black color of staining of teeth.

Conclusion: This scoping review reveals sparsity in existing literature regarding the etiological, clinical characteristics and management of chromogenic staining of teeth. Though the role of peculiar oral microbiota is well established, evidence regarding the management strategies to combat these recalcitrant staining remains a strong research question.

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http://dx.doi.org/10.1186/s12903-025-05441-4DOI Listing

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