In Vivo Study on the Tooth Whitening by Use of Hydrated Silica and Sodium Hexametaphosphate Contained Dentifrice
조민정, 신승철, 정선영,
소속 상세정보
조민정 ( Cho Min-Jeong ) - Praha Dental Clinic Research Institute Clinical Dentistry
신승철 ( Shin Seung-Chul ) - Dankook University College of Dentistry
정선영 ( Chung Sun-Young ) - Moon Dental Hospital Department of Preventive Dentistry
Abstract
Objective: This study was performed in clinical experiment in order to prove the tooth whitening effect by use of the abrasives of the dentifrice with Hydrated Silica and Sodium Hexametaphosphate.
Methods: 92 volunteers were participated in this clinical study through dividing 3 groups as control group for using plane dentifrice, experimental 1 group for using Hydrated Silica dentifrice and experimental 2 group for using Hydrated Silica and Sodium Hexametaphosphate contained dentifrice for 2 weeks. Tooth whitening was checked with Vita shade guide and VITA EASY SHADE V. L*, a*, b* value was checked by use of CIE (Commission Internationale de l’Eclairage) Lab system and compared them between 3 groups.
Results: Tooth whitening effect was revealed from a week in experimental group 1 and 2 and the more effect in experimental group 2, measured by Vita Shade guide. It revealed a little color change for experimental group1 from a week later, but much color change for experimental group 2, measured with VITA easy shade V (p<0.05). Moreover, it revealed more satisfaction for tooth whitening effect in subjects of the experimental group 2.
Conclusion: Hydrated Silica and Sodium Hexametaphosphate contained dentifrice would be considered as effective for tooth whitening.
키워드
discoloration of tooth; tooth bleaching; tooth shade; tooth whitening
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