Increased susceptibility for white spot lesions by surplus orthodontic etching exceeding bracket base area

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Michael KnöselDirk Ziebolz

Abstract

There is a paucity of information with regard to the susceptibility of iatrogenic white spot lesion formation after inattentive, surplus orthodontic etching with 30% phosphoric acid and the subsequent provision or absence of adequate oral hygiene. Ninety sound enamel specimens were randomly allocated to 6 trial groups (n = 15 each) for etching with 30% phosphoric acid for either 15 seconds and standardized daily enamel brushing or no brushing, etching for 30 seconds with daily brushing or no brushing, or nonetched controls with brushing or no brushing. Nutritive acidic assaults were simulated by demineralization cycles 3 times per day for 1 hour with interim storage in artificial saliva. Lesion depths in terms of percentage of fluorescence loss (delta F, delta Q) and lesion extension compared with the baseline were assessed by using quantitative light-induced fluorescence after 2, 7, 14, 21, and 42 days. Etching duration, trial time elapse, and oral hygiene, as well as the significance of factor interactions, were analyzed with 3-way analysis of variance (α = 5%). The impact of the factors of enamel brushing, trial time elapse, and etching each had a comparably significant effect on lesion progression. The effect of surplus etc...Continue Reading

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Citations

Jul 3, 2013·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Michael KnöselHans-Joachim Helms
Apr 27, 2013·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Gavin C Heymann, Dan Grauer
Sep 1, 2015·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Dirk WiechmannMichael Knösel
Nov 14, 2014·Clinical Oral Investigations·Ekaterini PaschosKarl-Heinz Kunzelmann
Dec 4, 2014·Clinical Oral Investigations·Ekaterini PaschosKarl-Heinz Kunzelmann
Aug 2, 2017·Journal of Investigative and Clinical Dentistry·Moufida AbufarwaPeter H Buschang
Sep 3, 2019·Bio-medical Materials and Engineering·Salem AlmoammarEdmund Khoo
Sep 14, 2020·American Journal of Physical Anthropology·Maria Ana CorreiaMarta Mirazón Lahr
Nov 20, 2019·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Jorge Perdigão

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