{"id":2652,"date":"2026-10-02T16:26:29","date_gmt":"2026-10-02T14:26:29","guid":{"rendered":"https:\/\/commonsensealigners.com\/?p=2652"},"modified":"2026-10-02T16:26:32","modified_gmt":"2026-10-02T14:26:32","slug":"minitornillos-izc-distalizacion-clase-ii","status":"publish","type":"post","link":"https:\/\/commonsensealigners.com\/en\/minitornillos-izc-distalizacion-clase-ii\/","title":{"rendered":"Minitornillos infracigom\u00e1ticos para resolver una clase II con mordida abierta"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Este caso lleg\u00f3 de otra consulta y ven\u00eda atascado: una clase II esquel\u00e9tica que se hab\u00eda intentado resolver con el\u00e1sticos intermaxilares, con el resultado de unos incisivos muy proinclinados. El problema es de ra\u00edz: seguir con el\u00e1sticos proinclinar\u00eda todav\u00eda m\u00e1s el frente. Lo que el caso ped\u00eda era otra cosa, distalizar sin mesializar la arcada inferior y retruir esos incisivos, y para eso hace falta anclaje esquel\u00e9tico.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por qu\u00e9 los el\u00e1sticos hab\u00edan llegado a su l\u00edmite<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los el\u00e1sticos intermaxilares tienen un componente que, en una clase II ya proinclinada, juega en contra: cuanto m\u00e1s tiras, m\u00e1s adelantas el frente. Reconocer que la herramienta que trae el caso es parte del problema es el primer paso. A partir de ah\u00ed, la pregunta no es c\u00f3mo tirar m\u00e1s, sino desde d\u00f3nde anclar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">El minitornillo infracigom\u00e1tico: distalizar e intruir a la vez<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Elegimos un minitornillo en la cresta infracigom\u00e1tica (IZC), de los m\u00e1s c\u00f3modos para estos casos. Tiene una ventaja doble: adem\u00e1s de servir de anclaje para distalizar, seg\u00fan d\u00f3nde se coloque permite planificar la intrusi\u00f3n de los molares. Los colocamos bilaterales, y tras unos 20 alineadores ya estamos distalizando la arcada e intruyendo los molares, con el frente retruy\u00e9ndose en bloque.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La intrusi\u00f3n de molares que resuelve parte de la clase II<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aqu\u00ed est\u00e1 el detalle que da valor a la mec\u00e1nica: al intruir los molares y eliminar los contactos a nivel de premolares, se facilita una autorrotaci\u00f3n mandibular. Esa autorrotaci\u00f3n cierra la mordida abierta y, al reposicionar la mand\u00edbula, resuelve parte de la clase II, incluso trat\u00e1ndose de una paciente adulta. Es el anclaje esquel\u00e9tico el que gu\u00eda el maxilar y abre esa posibilidad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cadeneta y patr\u00f3n de un medio para la predictibilidad<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cadeneta se cambia cada 10 o 12 semanas con una activaci\u00f3n contenida, sin necesidad de que sea muy fuerte: su funci\u00f3n es guiar el maxilar de forma sostenida gracias al anclaje. Mientras, el alineador hace una distalizaci\u00f3n de un medio, y esa combinaci\u00f3n es la que aporta predictibilidad y permite mover bien los incisivos inferiores. El principio: cuando los el\u00e1sticos empujan el caso en la direcci\u00f3n equivocada, el IZC deja distalizar, intruir y autorrotar de forma controlada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si quieres aprender a planificar distalizaciones e intrusiones con anclaje infracigom\u00e1tico y alineadores, puedes conocer m\u00e1s sobre el <a href=\"https:\/\/commonsensealigners.com\/en\/domina-los-alineadores\/\">Sistema de Biomec\u00e1nica Avanzada con Alineadores<\/a> en Common Sense Aligners.<\/p>","protected":false},"excerpt":{"rendered":"<p>Este caso lleg\u00f3 de otra consulta y ven\u00eda atascado: una clase II esquel\u00e9tica que se hab\u00eda intentado resolver con el\u00e1sticos intermaxilares, con el resultado de unos incisivos muy proinclinados. El problema es de ra\u00edz: seguir con el\u00e1sticos proinclinar\u00eda todav\u00eda m\u00e1s el frente. Lo que el caso ped\u00eda era otra cosa, distalizar sin mesializar la arcada&#8230;<\/p>","protected":false},"author":1,"featured_media":2653,"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-2652","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>Minitornillos IZC para distalizar en clase II<\/title>\n<meta name=\"description\" content=\"Minitornillos infracigom\u00e1ticos para resolver una clase 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