{"id":19858,"date":"2022-06-24T17:03:57","date_gmt":"2022-06-24T17:03:57","guid":{"rendered":"https:\/\/mdr.foobrdigital.com\/?p=4959"},"modified":"2022-06-24T17:03:57","modified_gmt":"2022-06-24T17:03:57","slug":"human-tooth-development-timeline","status":"publish","type":"post","link":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/2022\/06\/24\/human-tooth-development-timeline\/","title":{"rendered":"Human tooth development timeline"},"content":{"rendered":"\n<p>The following tables present the development timeline of human teeth.<sup><a href=\"https:\/\/en.wikipedia.org\/wiki\/Human_tooth_development#cite_note-20\">[20]<\/a><\/sup>&nbsp;Times for the initial calcification of primary teeth are for weeks&nbsp;<em>in utero<\/em>. Abbreviations: wk&nbsp;=&nbsp;weeks; mo&nbsp;=&nbsp;months; yr&nbsp;=&nbsp;years.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th><\/th><th>Maxillary (upper) teeth<\/th><\/tr><tr><th>Primary teeth<\/th><th>Central<br>incisor<\/th><th>Lateral<br>incisor<\/th><th><br>Canine<\/th><th>First<br>molar<\/th><th>Second<br>molar<\/th><\/tr><tr><td>Initial calcification<\/td><td>14&nbsp;wk I.U.<\/td><td>16&nbsp;wk I.U.<\/td><td>17&nbsp;wk I.U.<\/td><td>15.5&nbsp;wk I.U.<\/td><td>19&nbsp;wk I.U.<\/td><\/tr><tr><td>Crown completed<\/td><td>1.5&nbsp;mo<\/td><td>2.5&nbsp;mo<\/td><td>9&nbsp;mo<\/td><td>6&nbsp;mo<\/td><td>11&nbsp;mo<\/td><\/tr><tr><td>Root completed<\/td><td>1.5&nbsp;yr<\/td><td>2&nbsp;yr<\/td><td>3.25&nbsp;yr<\/td><td>2.5&nbsp;yr<\/td><td>3&nbsp;yr<\/td><\/tr><tr><th><\/th><th>&nbsp;Mandibular (lower) teeth&nbsp;<\/th><\/tr><tr><td>Initial calcification<\/td><td>14&nbsp;wk I.U.<\/td><td>16&nbsp;wk I.U.<\/td><td>17&nbsp;wk I.U.<\/td><td>15.5&nbsp;wk I.U.<\/td><td>18&nbsp;wk I.U.<\/td><\/tr><tr><td>Crown completed<\/td><td>2.5&nbsp;mo<\/td><td>3&nbsp;mo<\/td><td>9&nbsp;mo<\/td><td>5.5&nbsp;mo<\/td><td>10&nbsp;mo<\/td><\/tr><tr><td>Root completed<\/td><td>1.5&nbsp;yr<\/td><td>1.5&nbsp;yr<\/td><td>3.25&nbsp;yr<\/td><td>2.5&nbsp;yr<\/td><td>3&nbsp;yr<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th><\/th><th>Maxillary (upper) teeth<\/th><\/tr><tr><th>Permanent teeth<\/th><th>Central<br>incisor<\/th><th>Lateral<br>incisor<\/th><th><br>Canine<\/th><th>First<br>premolar<\/th><th>Second<br>premolar<\/th><th>First<br>molar<\/th><th>Second<br>molar<\/th><th>Third<br>molar<\/th><\/tr><tr><td>Initial calcification<\/td><td>3\u20134&nbsp;mo<\/td><td>10\u201312&nbsp;mo<\/td><td>4\u20135&nbsp;mo<\/td><td>1.5\u20131.75&nbsp;yr<\/td><td>2\u20132.25&nbsp;yr<\/td><td>at birth<\/td><td>2.5\u20133&nbsp;yr<\/td><td>7\u20139&nbsp;yr<\/td><\/tr><tr><td>Crown completed<\/td><td>4\u20135&nbsp;yr<\/td><td>4\u20135&nbsp;yr<\/td><td>6\u20137&nbsp;yr<\/td><td>5\u20136&nbsp;yr<\/td><td>6\u20137&nbsp;yr<\/td><td>2.5\u20133&nbsp;yr<\/td><td>7\u20138&nbsp;yr<\/td><td>12\u201316&nbsp;yr<\/td><\/tr><tr><td>Root completed<\/td><td>10&nbsp;yr<\/td><td>11&nbsp;yr<\/td><td>13\u201315&nbsp;yr<\/td><td>12\u201313&nbsp;yr<\/td><td>12\u201314&nbsp;yr<\/td><td>9\u201310&nbsp;yr<\/td><td>14\u201316&nbsp;yr<\/td><td>18\u201325&nbsp;yr<\/td><\/tr><tr><th><\/th><th>&nbsp;Mandibular (lower) teeth&nbsp;<\/th><\/tr><tr><td>Initial calcification<\/td><td>3\u20134&nbsp;mo<\/td><td>3\u20134&nbsp;mo<\/td><td>4\u20135&nbsp;mo<\/td><td>1.5\u20132&nbsp;yr<\/td><td>2.25\u20132.5&nbsp;yr<\/td><td>at birth<\/td><td>2.5\u20133&nbsp;yr<\/td><td>8\u201310&nbsp;yr<\/td><\/tr><tr><td>Crown completed<\/td><td>4\u20135&nbsp;yr<\/td><td>4\u20135&nbsp;yr<\/td><td>6\u20137&nbsp;yr<\/td><td>5\u20136&nbsp;yr<\/td><td>6\u20137&nbsp;yr<\/td><td>2.5\u20133&nbsp;yr<\/td><td>7\u20138&nbsp;yr<\/td><td>12\u201316&nbsp;yr<\/td><\/tr><tr><td>Root completed<\/td><td>9&nbsp;yr<\/td><td>10&nbsp;yr<\/td><td>12\u201314&nbsp;yr<\/td><td>12\u201313&nbsp;yr<\/td><td>13\u201314&nbsp;yr<\/td><td>9\u201310&nbsp;yr<\/td><td>14\u201315&nbsp;yr<\/td><td>18\u201325&nbsp;yr<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The following tables present the development timeline of human teeth.[20]&nbsp;Times for the initial calcification of primary teeth are for weeks&nbsp;in utero. Abbreviations: wk&nbsp;=&nbsp;weeks; mo&nbsp;=&nbsp;months; yr&nbsp;=&nbsp;years. Maxillary (upper) teeth Primary teeth Centralincisor Lateralincisor Canine Firstmolar Secondmolar Initial calcification 14&nbsp;wk I.U. 16&nbsp;wk I.U. 17&nbsp;wk I.U. 15.5&nbsp;wk I.U. 19&nbsp;wk I.U. Crown completed 1.5&nbsp;mo 2.5&nbsp;mo 9&nbsp;mo 6&nbsp;mo 11&nbsp;mo Root [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[726],"tags":[],"_links":{"self":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/19858"}],"collection":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/comments?post=19858"}],"version-history":[{"count":0,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/19858\/revisions"}],"wp:attachment":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/media?parent=19858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/categories?post=19858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/tags?post=19858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}