@article{ref1,
title="Customized protective mouthguards for orthodontic patients",
journal="Journal of clinical orthodontics: JCO",
year="1996",
author="Croll, T. P. and Castaldi, C. R.",
volume="30",
number="1",
pages="15-19",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3875",
doi="",
url="http://dx.doi.org/"
}