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Open AccessArticle

Toothpaste Composition Effect on Enamel Chromatic and Morphological Characteristics: In Vitro Analysis

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Paediatric Dentistry Department 2, Iuliu Hatieganu University of Medicine and Pharmacy, 31 A. Iancu Street, 400083 Cluj-Napoca, Romania
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Prosthodontics and Dental Materials Department 4, Iuliu Hatieganu University of Medicine and Pharmacy, 15 V. Babes Street, 400012 Cluj-Napoca, Romania
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Conservative Dentistry Department 2, Iuliu Hatieganu University of Medicine and Pharmacy, 33 Motilor Street, 400001 Cluj-Napoca, Romania
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Oral Rehabilitation Department 3, Iuliu Hatieganu University of Medicine and Pharmacy, 15 V. Babes Street, 400012 Cluj-Napoca, Romania
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Department of Polymeric Composites, Babes-Bolyai University, Institute of Chemistry Raluca Ripan, 30 Fantanele Str., 400294 Cluj-Napoca, Romania
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Orthodontics Department 1, Iuliu Haţieganu University of Medicine and Pharmacy, 31 A. Iancu Street, 400083 Cluj-Napoca, Romania
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Author to whom correspondence should be addressed.
Materials 2019, 12(16), 2610; https://doi.org/10.3390/ma12162610
Received: 26 July 2019 / Revised: 6 August 2019 / Accepted: 10 August 2019 / Published: 16 August 2019
(This article belongs to the Special Issue Selected Papers from BIOMMEDD 2018 Conference—Biomaterials)
The aim of this in vitro study was to assess the effect of toothpastes, with different compositions, on optical and morphological features of sound and demineralized enamel. We selected twenty-five teeth, recently extracted for orthodontic purposes, for this in vitro study. The teeth were caries free, without stains, fissures, filling or hypoplasia observed at inspection under standard conditions. Teeth were brushed (for 2–3 min, twice a day, for 21 days), with five different toothpastes (four commercially available and an experimental one) containing fluoride and hydroxyapatite. After that, teeth were demineralized with 37% orthophosforic acid (Ultra Etch®, Ultradent Products Inc., South Jordan, UT, USA) for 60 s. We repeated the brushing protocol for another 21 days on demineralized enamel. Enamel vestibular surfaces were examined using a spectrophotometer (Vita EasyShade -Vita Zahnfabrik, Bad Sackingen, Germany) and a Scanning Electron Microscope (Inspect S®, FEI Company, Hillsboro, OR, USA). Differences were statistically significant for colour parameters L* and ΔE*. SEM evaluation reveals demineralized enamel mineral gain after brushing with selected toothpastes. Toothpastes with specific ingredients can represent a balance between aesthetic and mineralization, and an oral hygiene correct algorithm is able to preserve enamel characteristics during ortodontic treatement with fixed appliances. View Full-Text
Keywords: toothpaste; enamel colour; fluoride; nano hydroxyapatite toothpaste; enamel colour; fluoride; nano hydroxyapatite
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MDPI and ACS Style

Muntean, A.; Sava, S.; Delean, A.G.; Mihailescu, A.M.; Dumitrescu, L.S.; Moldovan, M.; Festila, D.G. Toothpaste Composition Effect on Enamel Chromatic and Morphological Characteristics: In Vitro Analysis. Materials 2019, 12, 2610.

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