{"id":1025,"date":"2013-04-07T15:59:11","date_gmt":"2013-04-07T15:59:11","guid":{"rendered":"http:\/\/www.greenspandental.com\/en\/?p=1025"},"modified":"2013-04-07T16:01:38","modified_gmt":"2013-04-07T16:01:38","slug":"archeology-gum-disease","status":"publish","type":"post","link":"https:\/\/greenspandental.com\/en\/archeology-gum-disease\/","title":{"rendered":"Archeology Uncovers oral bacteria and gum disease in the past"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h2>Gum Disease<\/h2>\n<p>An oral history<\/p>\n<p>Teeth bacteria are the latest organisms to be studied through \u201cancient DNA\u201d technology, which allows scientists to extract and amplify tiny traces of genetic material from specimens thousands of years old. The conclusions are bad news for modern oral health.<a href=\"http:\/\/www.greenspandental.com\/en\/wp-content\/uploads\/2013\/04\/Identify_disease_in_bone_08.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright size-medium wp-image-1026\" alt=\"gum disease\" src=\"http:\/\/www.greenspandental.com\/en\/wp-content\/uploads\/2013\/04\/Identify_disease_in_bone_08-300x170.jpg\" width=\"300\" height=\"170\" srcset=\"https:\/\/greenspandental.com\/en\/wp-content\/uploads\/2013\/04\/Identify_disease_in_bone_08-300x170.jpg 300w, https:\/\/greenspandental.com\/en\/wp-content\/uploads\/2013\/04\/Identify_disease_in_bone_08.jpg 770w\" sizes=\"(max-width:767px) 300px, 300px\" \/><\/a><\/p>\n<p>An international team led by Alan Cooper of the University of Adelaide extracted DNA from tartar (calcified dental plaque) from 34 north European skeletons, spread over 7,500 years, from the last hunter-gatherers, through the first farmers, to Bronze Age, medieval and modern times.<\/p>\n<p>\u201cOral bacteria in modern man are markedly less diverse than historic populations, and this is thought to contribute to chronic gum disease,\u00a0oral and other disease in post-industrial lifestyles,\u201d says Cooper, in the journal Nature Genetics.<\/p>\n<p>\u201cThe composition of oral bacteria changed markedly with the introduction of farming and again around 150 years ago,\u201d he adds. \u201cWith the introduction of processed sugar and flour in the Industrial Revolution, we can see a dramatically decreased diversity in our oral bacteria, allowing domination by caries-causing strains and <a href=\"http:\/\/www.greenspandental.com\/en\/oral-hygiene\/\">gum disease<\/a>. The modern mouth basically exists in a permanent disease state.\u201d<\/p>\n<p>&nbsp;<\/p>\n<p>From the Financial Times April \u00a05 ,2013<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Gum Disease An oral history Teeth bacteria are the latest organisms to be studied through \u201cancient DNA\u201d technology, which allows scientists to extract and amplify<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75,65,10],"tags":[],"class_list":["post-1025","post","type-post","status-publish","format-standard","hentry","category-dental-archeology-2","category-dentistry-and-science","category-gum-disease"],"_links":{"self":[{"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/posts\/1025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/comments?post=1025"}],"version-history":[{"count":4,"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/posts\/1025\/revisions"}],"predecessor-version":[{"id":1030,"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/posts\/1025\/revisions\/1030"}],"wp:attachment":[{"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/media?parent=1025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/categories?post=1025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/greenspandental.com\/en\/wp-json\/wp\/v2\/tags?post=1025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}