Role of Amine and/or Tin-Containing Dentifrices on Tooth Discoloration and Surface Properties

IF 4.1 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Esthetic and Restorative Dentistry Pub Date : 2025-02-13 DOI:10.1111/jerd.13439

Mariana Beraldo Maia, Tammy Tawil, Isabela Souza Vardasca, Leonardo Custódio de Lima, Savio José Cardoso Bezerra, Ana Cecília Correa Aranha, Taís Scaramucci

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Abstract

Objective

This study evaluated the impact of dentifrices containing amine fluoride (AmF) and/or tin on tooth discoloration and surface roughness under cycles of staining and abrasion.

Materials and Methods

Specimens of enamel (n = 10) and dentin (n = 19) were allocated into six groups: (1) Negative control (Distilled water), (2) NaF (regular fluoridated dentifrice without amine and tin), (3) AmF, (4) AmF/NaF/SnCl₂, (5) SnF₂/SnCl₂, and (6) SnF₂. Daily staining-toothbrushing cycling was performed: staining solution (30 min), toothbrushing (45 strokes), and human saliva (1 h), 2×/day, for 21 days. Tooth color change (ΔE, ΔL, Δa, and Δb) was determined using a spectrophotometer (CIEDE2000), while surface roughness (ΔRa) was measured with an optical profilometer, and the data were statistically analyzed (α = 0.05).

Results

For enamel, no significant differences in ΔE were observed among groups; however, for dentin, AmF exhibited the highest ΔE value, differing from all groups except Negative control (p > 0.05). Both substrates showed a decrease in luminosity (−ΔL), with significant differences in dentin for the AmF group (p < 0.05). For dentin, all groups showed an increase in tooth yellowness (+Δb); while for enamel, only the tin-containing groups showed this effect. All groups showed an increase in surface roughness after cycling. Enamel Ra showed significant differences post-treatment, with AmF differing from NaF/AmF/SnCl₂ (p = 0.012) and control (p = 0.042). Correlations between ΔRa and ΔE were weak in both substrates (ρ = 0.12 for enamel; ρ = 0.22 for dentin).

Conclusions

Brushing with AmF/NaF/SnCl₂, SnF₂/SnCl₂, and SnF₂-containing toothpastes promoted a yellowing of enamel. Brushing with AmF resulted in the greatest darkening of dentin compared with other fluoride salts.

Clinical Significance

Some components in dentifrices can induce tooth discoloration, which seems to impact dental aesthetics; therefore, clinicians should advise patients on potential color alterations when choosing specific dentifrice products.

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胺和/或含锡牙膏对牙齿变色和表面特性的作用。

目的：研究含氟胺（AmF）和/或锡的牙膏在染色和磨损循环下对牙齿变色和表面粗糙度的影响。材料与方法：将牙釉质（10例）和牙本质（19例）分为6组：(1)阴性对照（蒸馏水），(2)NaF（不含胺和锡的普通氟化牙膏），(3)AmF, (4) AmF/NaF/SnCl2, (5) SnF2/SnCl2, (6) SnF2。每日染色-刷牙循环：染色液（30分钟），刷牙（45次），人唾液（1小时），2次/天，共21天。用分光光度计（CIEDE2000）测定牙齿颜色变化（ΔE、ΔL、Δa、Δb），用光学轮廓仪测定表面粗糙度（ΔRa），并对数据进行统计学分析（α = 0.05）。结果：牙釉质方面，各组间ΔE无显著差异；而对于牙本质，AmF的ΔE值最高，除阴性对照组外，与其他各组差异显著（p < 0.05）。两种底物亮度均下降（-ΔL）， AmF组牙本质亮度差异显著（p = 0.012），对照组牙本质亮度差异显著（p = 0.042）。两种底物中ΔRa和ΔE的相关性较弱(搪瓷ρ = 0.12；牙本质ρ = 0.22)。结论：用AmF/NaF/SnCl2、SnF2/SnCl2和含SnF2牙膏刷牙可促进牙釉质变黄。与其他含氟盐相比，用AmF刷牙会使牙本质变暗。临床意义：牙膏中的某些成分会引起牙齿变色，影响牙齿美观；因此，临床医生应该建议患者在选择特定的牙膏产品时潜在的颜色变化。

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来源期刊

Journal of Esthetic and Restorative Dentistry 医学-牙科与口腔外科

CiteScore

6.30

自引率

6.20%

发文量

124

审稿时长

>12 weeks

期刊介绍： The Journal of Esthetic and Restorative Dentistry (JERD) is the longest standing peer-reviewed journal devoted solely to advancing the knowledge and practice of esthetic dentistry. Its goal is to provide the very latest evidence-based information in the realm of contemporary interdisciplinary esthetic dentistry through high quality clinical papers, sound research reports and educational features. The range of topics covered in the journal includes: - Interdisciplinary esthetic concepts - Implants - Conservative adhesive restorations - Tooth Whitening - Prosthodontic materials and techniques - Dental materials - Orthodontic, periodontal and endodontic esthetics - Esthetics related research - Innovations in esthetics