{"id":1907,"date":"2025-09-26T15:38:33","date_gmt":"2025-09-26T13:38:33","guid":{"rendered":"https:\/\/commonsensealigners.com\/?p=1907"},"modified":"2025-09-29T13:31:24","modified_gmt":"2025-09-29T11:31:24","slug":"extraemos-primeros-o-segundos-premolares","status":"publish","type":"post","link":"https:\/\/commonsensealigners.com\/en\/extraemos-primeros-o-segundos-premolares\/","title":{"rendered":"\u00bfExtraemos primeros o segundos premolares?"},"content":{"rendered":"<p>La eterna pregunta: \u00bfel 4 o el 5?<\/p>\n\n\n\n<p>Este <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12357756\/pdf\/cureus-0017-00000088171.pdf\">art\u00edculo<\/a> aborda de manera clara y did\u00e1ctica las consideraciones que debemos tener a la hora de decidir si extraemos primeros o segundos premolares.<\/p>\n\n\n\n<p><strong>Necesidades de anclaje<\/strong><\/p>\n\n\n\n<p>Es el punto principal del art\u00edculo y el que ofrece m\u00e1s indicaciones para extraer los primeros premolares frente a los segundos.<\/p>\n\n\n\n<p>Y es que la p\u00e9rdida de anclaje suele ser mayor al extraer los 5s, si bien como el propio art\u00edculo indica esto tambi\u00e9n est\u00e1 claramente influenciado por la secuencia de movimientos.<\/p>\n\n\n\n<p><strong>Relaci\u00f3n oclusal y dimensi\u00f3n vertical<\/strong><\/p>\n\n\n\n<p>Esto es un aspecto importante: durante muchos a\u00f1os se hablaba del mayor impacto de la extracci\u00f3n de los segundos premolares en la dimensi\u00f3n vertical por un \u201cefecto cu\u00f1a\u201d\u2026 que sin embargo este art\u00edculo desmiente, se\u00f1alando que no hay diferencias en la dimensi\u00f3n vertical resultante tras la extracci\u00f3n de primeros o segundos premolares.<\/p>\n\n\n\n<p><strong>Perfil blando<\/strong><\/p>\n\n\n\n<p>Al igual que en el supuesto anterior, la tendencia cl\u00e1sica es pensar que el impacto a nivel de perfil es mayor con la extracci\u00f3n de primeros que de segundos premolares\u2026 pero el art\u00edculo es categ\u00f3rico al se\u00f1alar que es indistinto.<\/p>\n\n\n\n<p>Y es que la realidad es que el perfil depende de la posici\u00f3n de los incisivos, que puede ser la misma tras la extracci\u00f3n de primeros o segundos premolares, ya que son la mec\u00e1nica y el control del anclaje lo que determina la posici\u00f3n final del resto de piezas en arcada.<\/p>\n\n\n\n<p><strong>Discrepancia \u00f3seo-dentaria<\/strong><\/p>\n\n\n\n<p>Aunque nos olvidemos en muchas ocasiones del impacto del tama\u00f1o mesiodistal de las piezas en segmentos posteriores, es importante recordar que muchos premolares presentan discrepancia de Bolton entre una arcada y otra y esto dificulta el engranaje.<\/p>\n\n\n\n<p>En este sentido, la extracci\u00f3n de segundos premolares suele generar menos problemas de engranaje final asociado a esta discrepancia de Bolton\u2026 si bien es algo que se puede compensar con stripping en la arcada con piezas de mayor tama\u00f1o.<\/p>\n\n\n\n<p><strong>Situaci\u00f3n de terceros molares<\/strong><\/p>\n\n\n\n<p>La realidad es que las extracciones de premolares aumentan el espacio disponible para la dentici\u00f3n en la arcada y, como se\u00f1ala el art\u00edculo, mejoran la posici\u00f3n de los terceros molares.<\/p>\n\n\n\n<p>Nuevamente, no existe una diferencia entre la mejor\u00eda que ofrece la extracci\u00f3n de primeros o segundos premolares.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/commonsensealigners.com\/wp-content\/uploads\/cureus-0017-00000088171.tiff\" alt=\"\" class=\"wp-image-1908\"\/><\/figure>\n\n\n\n<p><strong>Nuestra opini\u00f3n<\/strong><\/p>\n\n\n\n<p>Nos quedamos con la primera conclusi\u00f3n: a nivel biomec\u00e1nico el alineador suele exigir m\u00e1s precisi\u00f3n o refinamientos cuando extraemos los 5s.<\/p>\n\n\n\n<p>Sin embargo, no parece que esto sea una justificaci\u00f3n por s\u00ed sola para extraer los 4s, hay que individualizar los casos y aplicar un diagn\u00f3stico correcto seguido de secuencias biomec\u00e1nicas impecables\u2026 adem\u00e1s de t\u00e9cnicas auxiliares en muchos de los casos de extracciones para asegurar un correcto paralelismo radicular final.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/funnels.tudominio.com.common-sense-aligners.com\/landing-page-4614-5887-7017-3299-3167\">Quiero aprenderlo TODO sobre alineadores<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>La eterna pregunta: \u00bfel 4 o el 5? Este art\u00edculo aborda de manera clara y did\u00e1ctica las consideraciones que debemos tener a la hora de decidir si extraemos primeros o segundos premolares. Necesidades de anclaje Es el punto principal del art\u00edculo y el que ofrece m\u00e1s indicaciones para extraer los primeros premolares frente a los&#8230;<\/p>","protected":false},"author":1,"featured_media":1908,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1907","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfExtraemos primeros o segundos premolares? - Common Sense Aligners<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/commonsensealigners.com\/en\/extraemos-primeros-o-segundos-premolares\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfExtraemos primeros o segundos premolares? - Common Sense Aligners\" \/>\n<meta property=\"og:description\" content=\"La eterna pregunta: \u00bfel 4 o el 5? 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