{"id":22255,"date":"2012-04-05T00:00:00","date_gmt":"2012-04-05T00:00:00","guid":{"rendered":"https:\/\/sylvainchamberland.com\/class-i-malocclusion\/"},"modified":"2023-08-21T14:36:42","modified_gmt":"2023-08-21T14:36:42","slug":"class-i-malocclusion","status":"publish","type":"post","link":"https:\/\/www.sylvainchamberland.com\/en\/class-i-malocclusion\/","title":{"rendered":"Class I malocclusion"},"content":{"rendered":"<p>The term malocclusion refers to a bad relationship or a bad position of the teeth compared with a normal dentition. Several forms of malocclusion exist just like we could say that many different faces exist. It is then important to group these deviations from a normal dentition by their characteristics.<\/p>\n<p>The terms &#8220;class I&#8221;, &#8220;class II&#8221; and &#8220;class III&#8221; define the skeletal anteroposterior (front-back) relationship of the lower jaw with regard to the upper jaw.<\/p>\n<p>&nbsp;<\/p>\n<h3>Class I<\/h3>\n<p>The class I relationship represents a normal relationship between both jaws. There is no anteroposterior discrepancy.<\/p>\n<h3>Class II<\/h3>\n<p>The class II relationship means that the lower jaw is shifted backward with regard to the upper jaw<\/p>\n<h3>Class III<\/h3>\n<p>The class III relationship means that the lower jaw is shifted forward with regard to the upper jaw.<\/p>\n<p>Therefore, these terms are not related to severity (class III would be more severe than class II which would be more severe than class I). They are rather related to direction: the absence of discrepancy in class I, backward discrepancy in class II and forward discrepancy in class III.<\/p>\n<p>&nbsp;<\/p>\n<h3>Deviation from a normal dentition<\/h3>\n<div id=\"attachment_1148\" style=\"width: 110px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/sylvainchamberland.com\/wp-content\/uploads\/2023\/04\/warning.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1148\" class=\"size-full wp-image-1148 \" title=\"warning\" src=\"https:\/\/sylvainchamberland.com\/wp-content\/uploads\/2023\/04\/warning.jpg\" alt=\"\" width=\"100\" height=\"100\"><\/a><p id=\"caption-attachment-1148\" class=\"wp-caption-text\">Site under construction<\/p><\/div>\n<p>Site under development, come back often.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The term malocclusion refers to a bad relationship or a bad position of the teeth compared with a normal dentition. Several forms of malocclusion exist just like we could say that many different faces exist. It is then important to group these deviations from a normal dentition by their characteristics. The terms &#8220;class I&#8221;, &#8220;class [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":22405,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[402],"tags":[],"class_list":["post-22255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dentition"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Class I malocclusion - Dr. Sylvain Chamberland, Orthodontist<\/title>\n<meta name=\"description\" content=\"Understanding Class I Malocclusion: Learn about this common dental issue, its causes, and treatment options for achieving a well-aligned smile.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sylvainchamberland.com\/en\/class-i-malocclusion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Class I malocclusion - Dr. Sylvain Chamberland, Orthodontist\" \/>\n<meta property=\"og:description\" content=\"Understanding Class I Malocclusion: Learn about this common dental issue, its causes, and treatment options for achieving a well-aligned smile.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sylvainchamberland.com\/en\/class-i-malocclusion\/\" \/>\n<meta property=\"og:site_name\" content=\"Dr. Sylvain Chamberland, Orthodontist\" \/>\n<meta property=\"article:published_time\" content=\"2012-04-05T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-21T14:36:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sylvainchamberland.com\/wp-content\/uploads\/2023\/04\/warning.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Dr Sylvain Chamberland, Orthodontiste\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr Sylvain Chamberland, Orthodontiste\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.sylvainchamberland.com\/en\/class-i-malocclusion\/\",\"url\":\"https:\/\/www.sylvainchamberland.com\/en\/class-i-malocclusion\/\",\"name\":\"Class I malocclusion - 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