1.0Cosmetic Dentistry Bloghttps://www.mynewsmile.com/blogDavid A. Hallhttps://www.mynewsmile.com/blog/author/mesasmiles/rich600338<blockquote class="wp-embedded-content" data-secret="Rj5ee2libN"><a href="https://www.mynewsmile.com/blog/allergic-to-lithium-glaze/">Are you allergic to the zirconia, or is it to the lithium glaze?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.mynewsmile.com/blog/allergic-to-lithium-glaze/embed/#?secret=Rj5ee2libN" width="600" height="338" title="“Are you allergic to the zirconia, or is it to the lithium glaze?” — Cosmetic Dentistry Blog" data-secret="Rj5ee2libN" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.mynewsmile.com/blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> I got this comment from a visitor that I feel warrants its own post. He has corresponded with me before on this topic. He is an analytic chemist who seems to understand very well what he is talking about. He was commenting on an earlier post I made titled, “Am I allergic to these crowns?” […]