Correction to: Clinical Oral Investigations.
10.1007/s00784-021-03860-5
After publication of this paper, the authors determined that affiliation 1 has an omitted information.
The correct affiliation should be:
1. Clinic of Conservative and Preventive Dentistry, Division of Periodontology and Peri-implant Diseases, Centre of Dental Medicine, University of Zurich, Zurich, Switzerland
The original article has been corrected.
Footnotes
The online version of the original article can be found at 10.1007/s00784-021-03860-5
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