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Clinical Oral Investigations

, Volume 23, Issue 3, pp 1023–1030 | Cite as

Does the skin color of patients influence the treatment decision-making of dentists? A randomized questionnaire-based study

  • Luiz Alexandre Chisini
  • Thaís Gioda Noronha
  • Ezequiel Caruccio Ramos
  • Reginaldo Batista dos Santos-Junior
  • Kaio Heide Sampaio
  • André Luis Faria-e-Silva
  • Marcos Britto CorrêaEmail author
Original Article
  • 146 Downloads

Abstract

Objective

To investigate whether patients’ skin color could exert an influence on the dentist’s decision-making for treatment, in four different cities in Brazil.

Material and methods

Lists of dentists were obtained and the sample selection was performed systematically. Two questionnaires were produced for the same clinical case, but the images were digitally manipulated to obtain a patient with a black and a white skin color. Dentists were free to choose treatment without any restrictions, including the financial aspects. A random sequence (white or black) was generated which was placed at random in sealed, opaque envelopes. Dentists were questioned about the decision on the treatment of a severely decayed tooth and an ill-adapted amalgam restoration.

Results

A total of 636 dentists agreed to participate in the study. After adjustments (multinomial logistic regression), it was observed that the black patient with a decayed tooth had a 50% lower risk of being referred for prosthetic treatment (p = 0.023) and a 99% higher risk of receiving a composite resin restoration, compared to the white patient (p = 0.027). No differences were observed regarding recommendation for tooth extraction (p = 0.657). In relation to an ill-adapted amalgam, the black patient had less risk of receiving a referral replacement with composite resin (0.09 95%CI [0.01–0.82]) and finishing and polishing (0.11 5%CI [0.01–0.99]) compared with the white patient.

Conclusion

Patient skin color influenced the dentist’s choice of treatment. In general, black patients receive referrals for cheaper, simpler procedures.

Clinical significance

Skin color played an important role in dentists’ treatment decisions. Professionals may contribute unconsciously to the propagation and replication of racial discrimination.

Keywords

Skin color Amalgam Decayed tooth Treatment 

Notes

Funding

The work was supported by the National Council for Scientific and Technological Development (CNPq).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

The Ethics Committee of the Dental College of the Federal University of Pelotas approved this project (number of 1,422,885).

Informed consent

All participants signed informed consent forms.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Luiz Alexandre Chisini
    • 1
  • Thaís Gioda Noronha
    • 1
  • Ezequiel Caruccio Ramos
    • 1
  • Reginaldo Batista dos Santos-Junior
    • 2
  • Kaio Heide Sampaio
    • 1
  • André Luis Faria-e-Silva
    • 2
  • Marcos Britto Corrêa
    • 1
    Email author
  1. 1.Federal University of PelotasPelotasBrazil
  2. 2.Department of DentistryFederal University of SergipeAracajuBrazil

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