1.0هلسا پارتhttps://www.helsapart.com/fa/adminhttps://www.helsapart.com/fa/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="Lqxc5OQSoa"><a href="https://www.helsapart.com/fa/the-secret-behind-electric-toothbrushes/">The Secret Behind Electric Toothbrushes</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.helsapart.com/fa/the-secret-behind-electric-toothbrushes/embed/#?secret=Lqxc5OQSoa" width="600" height="338" title="“The Secret Behind Electric Toothbrushes” — هلسا پارت" data-secret="Lqxc5OQSoa" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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.helsapart.com/wp-includes/js/wp-embed.min.js </script> https://www.helsapart.com/wp-content/uploads/2022/01/Electric-Toothbrushes.jpg20481152The first electric toothbrush was presented in Harper’s Weekly on February 13, 1886, but the true pioneer in home dental care is considered to be the Sonicare (Optiva Corporation) high-frequency sonic toothbrush introduced at the Chicago Midwinter Meeting in February 1993.While mechanical toothbrushes are the popular standard for home dental care, and electrical toothbrushes were initially recommended for people with disabilities and children, sonic technology is now one of the most efficient and valued technologies in the oral-care world.A 2019 SHIP (Study of Health in Pomerania) cohort study carried out over 11 years found that people using a powered toothbrush experienced less attachment loss. At the 11‐year follow‐up, electric brush users had an average of 0.36 more teeth than their manual-toothbrush using counterparts