Unique ID issued by UMIN | UMIN000020105 |
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Receipt number | R000020807 |
Scientific Title | The removal effect of the stain of coffee cause by gum absorption of sodium metaphosphate containing |
Date of disclosure of the study information | 2015/12/07 |
Last modified on | 2019/02/21 20:14:29 |
The removal effect of the stain of coffee cause by gum absorption of sodium metaphosphate containing
The removal effect of the stain of sodium metaphosphate containing
The removal effect of the stain of coffee cause by gum absorption of sodium metaphosphate containing
The removal effect of the stain of sodium metaphosphate containing
Japan |
Sound person
Dental medicine | Adult |
Others
NO
The purpose of this study is developing to keep teeth whiteness on a daily basis and evaluating removal effect of stain from coffee by food containing sodium metaphosphate in situ.
Efficacy
comparing the stain removal effect of control food intake group and the food containing sodium metaphosphate intake group by color differences of hydroxyapatite
Interventional
Cross-over
Randomized
Individual
Double blind -all involved are blinded
Placebo
2
Treatment
Food |
test food, washout 1week, control food
control food, washout 1week, test food
20 | years-old | <= |
60 | years-old | > |
Male and Female
1. Patient as man and woman in its 20 years old to 50s
2. Patient can attach an intraoral device (appliance) which fixed a hydroxyl apatite pellet
3. Patient who can carry it out in total for two days as an experiment day and intake of food five times per day
4. Patient who can obey the compliance during examination
1. Patient who uses a toothpaste for the purpose of the teeth whitening routinely
2. Smoker
3. Person during surgery treatment for a cavity and periodontal disease
4. Patient who uses chlorhexidine gargle routinely
5. Patient having dry mouth
6. Patient during the pregnancy, the nursing
7. Patient having the food allergy
8. Patient having the metal allergy
9. Patient having an eating disorder
30
1st name | |
Middle name | |
Last name | Hidehiko Sano |
Graduate School of Dental Medicine, Hokkaido University
Department of Restorative Dentistry
Kita 13, Nishi 7, Kita-ku, Sapporo, Hokkaido
011-706-4261
sano@den.hokudai.ac.jp
1st name | |
Middle name | |
Last name | Chiharu Kawamoto, Saori Makino |
Graduate School of Dental Medicine, Hokkaido University
Department of Restorative Dentistry
Kita 13, Nishi 7, Kita-ku, Sapporo, Hokkaido
011-706-4261
chipa@den.hokudai.ac.jp
Food manufacturer
Graduate School of Dental Medicine, Hokkaido University
Food manufacturer
Profit organization
Japan
NO
北海道大学大学院歯学研究科
2015 | Year | 12 | Month | 07 | Day |
Unpublished
Completed
2015 | Year | 11 | Month | 01 | Day |
2016 | Year | 01 | Month | 31 | Day |
2017 | Year | 08 | Month | 08 | Day |
2017 | Year | 08 | Month | 08 | Day |
2017 | Year | 08 | Month | 08 | Day |
2017 | Year | 08 | Month | 08 | Day |
2015 | Year | 12 | Month | 07 | Day |
2019 | Year | 02 | Month | 21 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000020807
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