The purpose of this study is to daily monitor the discoloration of teeth when participants rinse with a mouth rinse and black tea and to determine the time point when unacceptable discoloration occurs.
Tooth discoloration is a side effect of most mouth rinse solutions. It impairs the aesthetic appearance especially of the front teeth. The aim of this pilot study is to determine a time point when visible discoloration appears in the front teeth. Therefore, participants of this study will rinse twice daily with chlorhexidine mouth rinse for 10 days. To elicit a more pronounced discoloration, participants will rinse with black tea right after the chlorhexidine rinse. Discoloration will be measured daily by discoloration index, by spectrophotometry, and by the use of a digital photo.
Study Type
INTERVENTIONAL
Allocation
NA
Masking
NONE
Enrollment
16
twice daily, 10 ml, topical
Dreden University of Technology, Universitätsklinikum, Poliklinik für Parodontologie
Dresden, Saxony, Germany
Time point (day) when delta E > 2
Time frame: 11 days
Time point (day) when discoloration index changes compared to baseline
Time frame: 11 days
Time point (day) when changes in the photo evaluation occur compared to baseline
Time frame: 11 days
Time point (day) when discoloration occurs subjectively (questionnaire) compared to baseline
Time frame: 11 days
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