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Park, Shin, Park, Kim, and Cho: Iatrogenic chemical burn on facial skin by 37% phosphoric acid etchant
Original Article
Journal of Korean Academy of Conservative Dentistry

Journal of Korean Academy of Conservative Dentistry 2009; 34(1): 38-41.

Published online: 31 January 2009

DOI: https://doi.org/10.5395/JKACD.2009.34.1.038

Iatrogenic chemical burn on facial skin by 37% phosphoric acid etchant

Jong-Hyun Park1, Hye-Jin Shin2, Se-Hee Park1, Jin-Woo Kim1, Kyung-Mo Cho1

1Department of Conservative Dentistry, Graduated school, Kangnung National University, Korea.

2Department of Conservative Dentistry, College of Medicine, A-jou University, Korea.

Corresponding Author: Kyung-Mo Cho. Department of Conservative Dentistry, College of Dentistry, Kangnung National University, Jibyun-Dong, Kangnung City, Kangwon-Do, Korea, 210-702. Tel: 82-33-640-3155, Fax: 82-33-640-3103, drbozon@kangnung.ac.kr

Received 10 November 2008       Revised 3 December 2008       Accepted 29 December 2008

Copyright © 2009 The Korean Academy of Conservative Dentistry

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

When we use the total-etch dentin adhesive system for composite resin restorations, gel or liquid acid etchant such as 37% phosphoric acid is commonly used. Thirty seven percentage phosphoric acid is very powerful erosive agent, and can cause severe harmful effects when it contacts with an oral mucosa and facial skin.
This case describes iatrogenic chemical burn on facial skin caused by phosphoric acid which was happened during composite resin restorative procedure.
Chemical burn by acid etchant can be evoked by careless handling of remnant and syringe. In order to prevent these iatrogenic injuries, we should check the complete removal of the etching agent both in intra and extra-oral environments after etching and rinsing procedure and it is necessary to use of the rubber dam or isolation instruments.
If accidental burn were occurred, immediate wash with copious water. And bring the patient to the dermatologist as soon as possible.

Keywords: 37% phosphoric acid, Etchant, Chemical burn, Facial skin

Figures and Tables

Figure 1
Immediate Post OP. Vesicular and corrosive lesion formation
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Figure 2
2 Weeks follow-up Crust formation
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Figure 3
1 Month follow-up Depressed scar formation
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Figure 4
2 Months follow-up
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Figure 5
3 Months follow-up. Decreased scar
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Figure 6
Corrosive change on facial skin
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Figure 7
Difference appearance after air-blow
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References

1. Gutteridge DL. Iatrogenic oral ulceration following restorative treatment with an acid-etch material. Br Dent J. 1984. 156:403–404.
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2. Lewis GK. Chemical burns. Am J Surg. 1959. 98:928.
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3. Cabnadian Center for Occupational health and safety. Material Safety Data Sheat. 1991.
4. Gruber RP, Laub DR, Vistinness LM. The effect of hydrotherapy on the clinical course and pH of experimental cutaneous chemical burns. Plast Reconstr Surg. 1975. 55:200.
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