{"id":896,"date":"2025-04-03T12:05:33","date_gmt":"2025-04-03T09:05:33","guid":{"rendered":"https:\/\/wiki.voka.io\/diseases\/uncategorized\/periapikalnaya-kista\/"},"modified":"2026-10-21T09:52:33","modified_gmt":"2026-10-21T06:52:33","slug":"cisto-periapical","status":"publish","type":"diseases_post","link":"https:\/\/wiki.voka.io\/pt\/doencas\/dentarias\/cisto-periapical\/","title":{"rendered":"Quistos periapicais: Etiologia, anatomia, apresenta\u00e7\u00e3o cl\u00ednica e m\u00e9todos de tratamento"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p class=\"wp-block-paragraph\">O quisto periapical \u00e9 uma cavidade patol\u00f3gica no \u00e1pice da raiz do dente, com conte\u00fado l\u00edquido e um revestimento de epit\u00e9lio escamoso multicamada n\u00e3o orog\u00e9nico, \u00e9 um tipo de periodontite apical cr\u00f3nica.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dentistry\/periapical-cyst\/periapical-cyst-distal-root-lower-molar.webp\" alt=\"Cisto periapical na regi\u00e3o da raiz distal do molar inferior\"><figcaption class=\"wp-element-caption\">Cisto periapical na regi\u00e3o da raiz distal do molar inferior \u2013 <a href=\"https:\/\/catalog.voka.io\/models\/3ed27118-f048-4865-b4ec-042c2caa7e2f\/127b9074-8c2d-4943-87a6-2ea48774cc23\/a2afdeb7-ecff-48bc-a3ed-bbc50ec85789\/4cde2c93-d50e-4283-812b-d16e9fef236b\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 id=\"etiologia\" class=\"wp-block-heading\">Etiologia<\/h2>\n<p class=\"wp-block-paragraph\">A causa da forma\u00e7\u00e3o do cisto periapical \u00e9 a infe\u00e7\u00e3o microbiana no sistema de canais radiculares do dente. As principais c\u00e9lulas envolvidas na forma\u00e7\u00e3o deste tipo de les\u00e3o s\u00e3o as c\u00e9lulas inflamat\u00f3rias cr\u00f3nicas e as c\u00e9lulas epiteliais dos ilh\u00e9us de Malasse, que s\u00e3o remanescentes do epit\u00e9lio da bainha radicular de Gertwig durante a forma\u00e7\u00e3o do dente. Essas c\u00e9lulas epiteliais podem ser consideradas c\u00e9lulas-tronco unipotentes. <\/p>\n<p class=\"wp-block-paragraph\">Durante a rea\u00e7\u00e3o inflamat\u00f3ria, nos tecidos ao redor da ponta da raiz s\u00e3o liberados fatores de crescimento e citocinas que provocam a prolifera\u00e7\u00e3o dos restos epiteliais de Malassez. <\/p>\n<p class=\"wp-block-paragraph\">Existem v\u00e1rias teorias para a forma\u00e7\u00e3o de quistos apicais.<\/p>\n<h3 id=\"teoria-da-carencia-de-nutrientes\" class=\"wp-block-heading\">Teoria da car\u00eancia de nutrientes<\/h3>\n<p class=\"wp-block-paragraph\">\u00c0 medida que os ilh\u00e9us epiteliais crescem, as c\u00e9lulas centrais s\u00e3o removidas da fonte de nutrientes e come\u00e7am a sofrer necrose. Os produtos da decomposi\u00e7\u00e3o dos tecidos atraem granul\u00f3citos e neutr\u00f3filos para a zona de necrose e formam-se microcavidades, que depois se fundem para formar uma cavidade c\u00edstica revestida por epit\u00e9lio escamoso multicamadas.<\/p>\n<h3 id=\"teoria-dos-abcessos\" class=\"wp-block-heading\">Teoria dos abcessos<\/h3>\n<p class=\"wp-block-paragraph\">Quando um abcesso se forma no tecido conjuntivo, h\u00e1 uma prolifera\u00e7\u00e3o de c\u00e9lulas epiteliais que cobrem a cavidade do abcesso, uma vez que tendem a preencher as \u00e1reas abertas do tecido conjuntivo.<\/p>\n<h3 id=\"teoria-da-fusao-dos-filamentos-epiteliais-hiperplasia-inflamatoria\" class=\"wp-block-heading\">Teoria da fus\u00e3o dos filamentos epiteliais (hiperplasia inflamat\u00f3ria)<\/h3>\n<p class=\"wp-block-paragraph\">No granuloma apical, o tecido epitelial prolifera sob a forma de cord\u00f5es caoticamente direcionados, os cord\u00f5es epiteliais unem-se para formar uma estrutura esf\u00e9rica tridimensional de tecido conjuntivo fibrovascular, na qual est\u00e3o presentes c\u00e9lulas inflamat\u00f3rias; al\u00e9m disso, devido a um fornecimento insuficiente de sangue, degenera e forma-se uma cavidade c\u00edstica. O l\u00edquido c\u00edstico \u00e9 formado a partir da rede capilar do granuloma por transuda\u00e7\u00e3o e exsuda\u00e7\u00e3o da parte l\u00edquida do sangue e como resultado da decomposi\u00e7\u00e3o de elementos formais.<\/p>\n<p class=\"wp-block-paragraph\">As c\u00e9lulas do revestimento epitelial da cavidade do quisto s\u00e3o incapazes de se proliferar sozinhas sem serem estimuladas por citocinas e factores de crescimento.<\/p>\n<p class=\"wp-block-paragraph\">Os quistos podem aumentar lentamente de tamanho ao longo do tempo, provavelmente devido \u00e0 degrada\u00e7\u00e3o da c\u00e1psula de tecido conjuntivo fibroso, \u00e0s metaloproteinases da matriz e \u00e0 reabsor\u00e7\u00e3o do osso circundante. Os mediadores inflamat\u00f3rios e as citocinas estimulam a prolifera\u00e7\u00e3o das c\u00e9lulas epiteliais e tamb\u00e9m medeiam a reabsor\u00e7\u00e3o \u00f3ssea nos focos de periodontite apical. As c\u00e9lulas epiteliais das ilhotas de Malassez podem secretar tamb\u00e9m fatores que reabsorvem o tecido \u00f3sseo. <\/p>\n<p class=\"wp-block-paragraph\">Ao afetar as estruturas circundantes, o quisto pode empurrar as ra\u00edzes dos dentes vizinhos, causar reabsor\u00e7\u00e3o externa das ra\u00edzes dent\u00e1rias, empurrar para tr\u00e1s e deformar a parede do seio maxilar, ou destru\u00ed-la e penetrar diretamente no seio. Na aus\u00eancia de tratamento, os quistos periapicais podem destruir uma parte significativa do tecido \u00f3sseo adjacente. Neste caso, o processo pode alastrar-se para o corpo e ramo da mand\u00edbula, provocando uma fratura patol\u00f3gica da mand\u00edbula. Com o tempo, tamb\u00e9m pode ocorrer um abcesso do quisto.<\/p>\n<h2 id=\"classificacao\" class=\"wp-block-heading\">Classifica\u00e7\u00e3o<\/h2>\n<ul class=\"wp-block-list\">\n<li>Cisto periapical verdadeiro: seu l\u00famen \u00e9 totalmente revestido por epit\u00e9lio e n\u00e3o possui comunica\u00e7\u00e3o com o canal radicular; <\/li>\n<li>Cisto sacular (em bolsa, em forma de pacote, congestivo, em ba\u00eda) comunica-se com o canal radicular do dente causador atrav\u00e9s do seu l\u00famen.<\/li>\n<\/ul>\n<div class=\"videos-carousel-block\">\n<div class=\"swiper video-carousel-swiper video-carousel-swiper-block_6ade246ecc22f\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide\"><video controls class=\"carousel-video\"><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dentistry\/periapical-cyst\/true-periapical-cyst-pathology.webm\" type=\"video\/webm\"><\/source><\/video><span class=\"small-text-article text-main-text-color\">Anima\u00e7\u00e3o 3D de um cisto periapical verdadeiro<\/span><\/div>\n<div class=\"swiper-slide\"><video controls class=\"carousel-video\"><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dentistry\/periapical-cyst\/periapical-pocket-cyst.webm\" type=\"video\/webm\"><\/source><\/video><span class=\"small-text-article text-main-text-color\">Anima\u00e7\u00e3o 3D de um cisto periapical sacular<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"swiper-article-video-carousel__controls\">\n<div class=\"swiper-article-video-carousel__pagination-container swiper-article-video-carousel__pagination-container-block_6ade246ecc22f\"><\/div>\n<div class=\"swiper-article-video-carousel__arrows\"><button class=\"swiper__arrow swiper__arrow--prev video-carousel-swiper-button-prev swiper__arrow swiper__arrow--prev video-carousel-swiper-button-prev-block_6ade246ecc22f\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><button class=\"swiper__arrow swiper__arrow--next video-carousel-swiper-button-next swiper__arrow swiper__arrow--next video-carousel-swiper-button-next-block_6ade246ecc22f\" tabindex=\"0\" aria-label=\"Next slide\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const videosCarouselSwiper = new Swiper('.video-carousel-swiper-block_6ade246ecc22f', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-video-carousel__pagination-container-block_6ade246ecc22f',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.video-carousel-swiper-button-next-block_6ade246ecc22f',\n                prevEl: '.video-carousel-swiper-button-prev-block_6ade246ecc22f',\n            },\n            on: {\n                slideChangeTransitionStart: function () {\n                    const videos = this.el.querySelectorAll('video');\n                    videos.forEach(video => {\n                        if (!video.paused) {\n                            video.pause();\n                            video.currentTime = 0;\n                        }\n                    });\n                },\n            }\n        })\n    })\n<\/script><\/p>\n<h2 id=\"anatomia\" class=\"wp-block-heading\">Anatomia<\/h2>\n<p class=\"wp-block-paragraph\">O dente afetado pode ser observado no dente afetado:<\/p>\n<ul class=\"wp-block-list\">\n<li>Uma cavidade cariosa profunda que penetra na polpa do dente;<\/li>\n<li>Restaura\u00e7\u00e3o dent\u00e1ria falhada adjacente ao tecido pulpar;<\/li>\n<li>Sinais de traumatismo (fissuras, dentina lascada, parte da polpa exposta).<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">A polpa do dente est\u00e1 necrosada, de cor cinzento-amarelada ou cinzento-escura. Na regi\u00e3o periapical, observa-se um foco de destrui\u00e7\u00e3o do ligamento periodontal e do tecido \u00f3sseo. O quisto periapical propriamente dito tem uma forma redonda ou oval, localiza-se na zona do \u00e1pice da raiz do dente e \u00e9 constitu\u00eddo pelos seguintes elementos:<\/p>\n<ul class=\"wp-block-list\">\n<li>Uma c\u00e1psula de tecido conjuntivo que cont\u00e9m todos os elementos celulares encontrados nos granulomas apicais;<\/li>\n<li>Revestimento epitelial representado por epit\u00e9lio escamoso hiperpl\u00e1sico neorhizal multicamadas. Pode ser cont\u00ednuo, intermitente ou completamente ausente em algumas \u00e1reas. \u00c0s vezes, o revestimento \u00e9 representado pelo epit\u00e9lio de fibrila\u00e7\u00e3o atrial. Tanto o epit\u00e9lio de revestimento como a c\u00e1psula est\u00e3o normalmente infiltrados com c\u00e9lulas inflamat\u00f3rias;<\/li>\n<li>A cavidade (l\u00famen) do cisto com l\u00edquido opalescente de cor palha pode conter exsudato inflamat\u00f3rio, cristais de colesterol, c\u00e9lulas epiteliais mortas, res\u00edduos de osso reabsorvido ou col\u00f4nias bacterianas. <\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dentistry\/periapical-cyst\/true-periapical-cyst-anatomy-sagittal-section.webp\" alt=\"Anatomia do cisto periapical verdadeiro: sec\u00e7\u00e3o sagital\"><figcaption class=\"wp-element-caption\">Anatomia do cisto periapical verdadeiro: sec\u00e7\u00e3o sagital \u2013 <a href=\"https:\/\/catalog.voka.io\/models\/3ed27118-f048-4865-b4ec-042c2caa7e2f\/127b9074-8c2d-4943-87a6-2ea48774cc23\/a2afdeb7-ecff-48bc-a3ed-bbc50ec85789\/4cde2c93-d50e-4283-812b-d16e9fef236b\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dentistry\/periapical-cyst\/periapical-pocket-cyst-anatomy-sagittal-section.webp\" alt=\"Anatomia do cisto periapical sacular (em bolsa): sec\u00e7\u00e3o sagital\"><figcaption class=\"wp-element-caption\">Anatomia do cisto periapical sacular (em bolsa): sec\u00e7\u00e3o sagital \u2013 <a href=\"https:\/\/catalog.voka.io\/models\/3ed27118-f048-4865-b4ec-042c2caa7e2f\/127b9074-8c2d-4943-87a6-2ea48774cc23\/a2afdeb7-ecff-48bc-a3ed-bbc50ec85789\/6e983018-8d7c-4f5f-9169-f00cfb0383cf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 id=\"diagnostico\" class=\"wp-block-heading\">Diagn\u00f3stico<\/h2>\n<ul class=\"wp-block-list\">\n<li>Coleta de queixas e hist\u00f3rico;<\/li>\n<li>M\u00e9todos cl\u00ednicos: inspe\u00e7\u00e3o visual, percuss\u00e3o, palpa\u00e7\u00e3o ao longo da prega de transi\u00e7\u00e3o; <\/li>\n<li>Termoprobe, electroodontodiagn\u00f3stico;<\/li>\n<li>Radiografia (radiografia de contacto intra-oral, radiovisiografia, ortopantomografia, tomografia computorizada de feixe c\u00f3nico): cavidade cariosa, restaura\u00e7\u00e3o ou defeito traum\u00e1tico que penetra na c\u00e2mara pulpar, na regi\u00e3o do \u00e1pice da raiz do dente uma \u00e1rea radiopaca de forma redonda ou oval, com limites claros, podendo observar-se um rebordo radiopaco \u00e0 volta da periferia. As ra\u00edzes dos dentes adjacentes \u00e0 les\u00e3o podem estar desviadas ou encurtadas. <\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">N\u00e3o existem atualmente ferramentas de diagn\u00f3stico n\u00e3o invasivas dispon\u00edveis para diferenciar com precis\u00e3o um granuloma de um quisto. O tamanho do l\u00famen no \u00e1pice da raiz em radiografias s\u00f3 pode ser usado como um guia indireto: se o tamanho estiver entre 10 e 20 mm, a probabilidade de um quisto \u00e9 de at\u00e9 60%; se o tamanho for superior a 200 mm2, a probabilidade \u00e9 pr\u00f3xima de 100%. No entanto, o diagn\u00f3stico final s\u00f3 \u00e9 poss\u00edvel ap\u00f3s uma biopsia cir\u00fargica ou extra\u00e7\u00e3o dent\u00e1ria.<\/p>\n<h2 id=\"manifestacoes-clinicas\" class=\"wp-block-heading\">Manifesta\u00e7\u00f5es cl\u00ednicas<\/h2>\n<p class=\"wp-block-paragraph\">Regra geral, o doente n\u00e3o apresenta quaisquer queixas. Na maioria das vezes, os quistos s\u00e3o um achado acidental no exame radiol\u00f3gico. O paciente pode queixar-se de incha\u00e7o no maxilar inferior ou superior, no lado vestibular ou palatino. Visualmente, detecta-se no dente uma cavidade cariosa profunda, uma restaura\u00e7\u00e3o ou um defeito traum\u00e1tico que penetra na c\u00e2mara pulpar. A percuss\u00e3o do dente \u00e9 indolor, assim como a palpa\u00e7\u00e3o do sulco gengival. <\/p>\n<p class=\"wp-block-paragraph\">Pode haver uma tumefa\u00e7\u00e3o hemisf\u00e9rica da mand\u00edbula, densa e indolor \u00e0 palpa\u00e7\u00e3o, a membrana mucosa nesta \u00e1rea sem altera\u00e7\u00f5es patol\u00f3gicas vis\u00edveis. Se a l\u00e2mina cortical na zona da les\u00e3o estiver adelga\u00e7ada, pode haver crepita\u00e7\u00e3o \u00f3ssea na zona da protuber\u00e2ncia quando se exerce press\u00e3o. Se a l\u00e2mina cortical da mand\u00edbula estiver destru\u00edda, pode ser sentida a percuss\u00e3o palpat\u00f3ria do dente causador na proje\u00e7\u00e3o do \u00e1pice da raiz. Se o quisto estiver localizado na regi\u00e3o dos incisivos superiores, a parede inferior da cavidade nasal pode inchar (rolo de Gerber).<\/p>\n<p class=\"wp-block-paragraph\">O dente causador n\u00e3o responde a est\u00edmulos t\u00e9rmicos e el\u00e9ctricos (um crit\u00e9rio de diagn\u00f3stico importante na presen\u00e7a de luc\u00eancia radiol\u00f3gica na regi\u00e3o periapical de v\u00e1rios dentes).<\/p>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Encontra mais conte\u00fados cientificamente exactos nas nossas redes sociais<\/p>\n<p><span class=\"social-banner-text text-grey\">Subscreve e n\u00e3o percas os recursos mais recentes<\/span><\/p>\n<div class=\"banner-icons-wrapper\"><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/facebook.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.instagram.com\/voka.io\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/insta.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.linkedin.com\/company\/voka-io\/posts\/?feedView=all\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/linkedin.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.youtube.com\/@vokaio\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/youtube.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.pinterest.com\/voka3danatomyandpathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/pinterest.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.tiktok.com\/@voka.io\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/tiktok.svg\" alt=\"social link\"><\/a><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"social-banner-image\" loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 id=\"tratamento\" class=\"wp-block-heading\">Tratamento<\/h2>\n<p class=\"wp-block-paragraph\">At\u00e9 \u00e0 data, n\u00e3o existe evid\u00eancia direta de que a regress\u00e3o do quisto periapical possa ocorrer ap\u00f3s tratamento endod\u00f4ntico n\u00e3o cir\u00fargico. Considerando os poss\u00edveis mecanismos patogen\u00e9ticos, o crescimento epitelial pode cessar ap\u00f3s a elimina\u00e7\u00e3o do fator bacteriano estimulante, como ap\u00f3s o tratamento endod\u00f4ntico. Subsequentemente, o revestimento epitelial pode afinar-se ou desaparecer, criando condi\u00e7\u00f5es para a cicatriza\u00e7\u00e3o.<\/p>\n<p class=\"wp-block-paragraph\">Assim, a primeira etapa \u00e9 o tratamento endod\u00f4ntico do dente: extirpa\u00e7\u00e3o da polpa n\u00e3o vi\u00e1vel ou remo\u00e7\u00e3o do material de obtura\u00e7\u00e3o antigo dos canais radiculares, sua instrumenta\u00e7\u00e3o e tratamento medicamentoso. No decurso do tratamento instrumental dos canais, \u00e9 efectuada a pun\u00e7\u00e3o intracanalicular do quisto, de acordo com as indica\u00e7\u00f5es. Em seguida, realiza-se a obtura\u00e7\u00e3o herm\u00e9tica dos canais radiculares, com posterior restaura\u00e7\u00e3o do dente. <\/p>\n<figure class=\"wp-block-video\" id=\"animacao-3d-tratamento-endodontico-do-dente\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dentistry\/periapical-cyst\/endodontic-tooth-treatment.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Anima\u00e7\u00e3o 3D: tratamento endod\u00f4ntico do dente<\/figcaption><\/figure>\n<p class=\"wp-block-paragraph\">Na presen\u00e7a de um quisto grande (mais de 3 cm), a descompress\u00e3o pode ser efectuada de acordo com as indica\u00e7\u00f5es: redu\u00e7\u00e3o do tamanho do quisto atrav\u00e9s de incis\u00e3o cir\u00fargica atrav\u00e9s da parede do quisto e inser\u00e7\u00e3o de um dreno, ou aspira\u00e7\u00e3o extracanalicular e irriga\u00e7\u00e3o atrav\u00e9s da pun\u00e7\u00e3o do quisto com duas agulhas de grande di\u00e2metro, aspira\u00e7\u00e3o do conte\u00fado e lavagem com solu\u00e7\u00e3o fisiol\u00f3gica esterilizada.<\/p>\n<p class=\"wp-block-paragraph\">Posteriormente, caso a les\u00e3o periapical n\u00e3o cicatrize, realiza-se a enuclea\u00e7\u00e3o do cisto por meio de curetagem periapical, ressec\u00e7\u00e3o do \u00e1pice radicular com obtura\u00e7\u00e3o retr\u00f3grada ou amputa\u00e7\u00e3o da raiz do dente com remo\u00e7\u00e3o simult\u00e2nea da c\u00e1psula do cisto. <\/p>\n<p class=\"wp-block-paragraph\">Se o progn\u00f3stico do tratamento endod\u00f4ntico ou da cirurgia periapical for insatisfat\u00f3rio, o dente deve ser extra\u00eddo.<\/p>\n<div>\n<h2 class=\"faq-title h2-article\" id=\"faq\">FAQ<\/h2>\n<div class=\"faq-section\">\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">1. O que \u00e9 um cisto periapical?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O cisto periapical \u00e9 uma les\u00e3o patol\u00f3gica cr\u00f4nica que surge ao redor do \u00e1pice da raiz do dente, como resultado da necrose pulpar e da inflama\u00e7\u00e3o periapical.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">2. Quais s\u00e3o os sintomas de um cisto periapical?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">No in\u00edcio, o processo pode ser assintom\u00e1tico. \u00c0 medida que a doen\u00e7a avan\u00e7a, podem ocorrer incha\u00e7o da gengiva, desconforto, dor ao mastigar, escurecimento do dente ou forma\u00e7\u00e3o de f\u00edstula.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">3. Qual \u00e9 o tratamento para um cisto periapical?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O tratamento pode incluir o procedimento mec\u00e2nico e medicamentoso dos canais radiculares e sua obtura\u00e7\u00e3o, a cistotomia (remo\u00e7\u00e3o parcial do cisto) ou a cistectomia (remo\u00e7\u00e3o total do cisto com ressec\u00e7\u00e3o do \u00e1pice radicular).<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">4. Qual o perigo de um cisto periapical n\u00e3o tratado?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Sem tratamento, o cisto pode aumentar de tamanho, destruir o tecido \u00f3sseo circundante, afastar e reabsorver as ra\u00edzes dos dentes vizinhos, evoluir para um abscesso, apresentar complica\u00e7\u00f5es como periostite ou osteomielite, ou causar uma infec\u00e7\u00e3o generalizada.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"referencias\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Refer\u00eancias<\/p>\n<div class=\"sources-expand-button-wrapper-mobile\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-items\">\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">1.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>VOKA 3D Anatomy & Pathology \u2013 Complete Anatomy and Pathology 3D Atlas [Internet]. VOKA 3D Anatomy & Pathology [VOKA 3D Anatomia & Patologia]. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Available from: https:\/\/catalog.voka.io\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">2.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Berman LH, Hargreaves KM, editors. Cohen Caminhos da Polpa. 12th ed. St. Louis (MO): Elsevier; 2020.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">3.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Torabinejad M, Fouad A, Shabahang S, editors. Endodontics: principles and practice. 6\u00aa ed. St. Louis (MO): Elsevier; 2020.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">4.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>American Association of Endodontists (Associa\u00e7\u00e3o Americana de Endodontistas). Guide to clinical endodontics [Internet]. Chicago: American Association of Endodontists; 2019 Jun 3.  <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/www.aae.org\/specialty\/clinical-resources\/guide-clinical-endodontics\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">5.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Ricucci D, Siqueira JF. Endodontology: an integrated biological and clinical view. Hanover Park (IL): Quintessence Publishing; 2013.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Bergenholtz G, H\u00f8rsted-Bindslev P, Reit C, editors. Textbook of endodontology. 2a ed. Chichester (UK): Wiley-Blackwell; 2013. <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">7.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>H\u00fclsmann M, Sch\u00e4fer E, Bargholz C, Barthel C. Problems in endodontics: etiology, diagnosis and treatment. Hanover Park (IL): Quintessence Publishing; 2009.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">8.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Beer R, Baumann MA, Kielbassa AM. Taschenatlas der Endodontie [Pocket atlas of endodontics]. Stuttgart: Georg Thieme Verlag; 2004. Alem\u00e3o. <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">9.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Petersson A, Axelsson S, Davidson T, Frisk F, Hakeberg M, Kvist T, et al. Diagn\u00f3stico radiol\u00f3gico de les\u00f5es do tecido \u00f3sseo periapical na endodontia: uma revis\u00e3o sistem\u00e1tica. Revista Internacional de Endodontia [Internet]. 2012 Mar 19;45(9):783\u2013801. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Available from: https:\/\/doi.org\/10.1111\/j.1365-2591.2012.02034.x <\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-expand-button-wrapper\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O quisto periapical \u00e9 uma cavidade patol\u00f3gica no \u00e1pice da raiz do dente, com conte\u00fado l\u00edquido e um revestimento de epit\u00e9lio escamoso multicamada n\u00e3o orog\u00e9nico, \u00e9 um tipo de periodontite apical cr\u00f3nica. Etiologia A causa da forma\u00e7\u00e3o do cisto periapical \u00e9 a infe\u00e7\u00e3o microbiana no sistema de canais radiculares do dente. As principais c\u00e9lulas envolvidas [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"template":"","diseases_category":[294],"class_list":["post-896","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-dentarias"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cisto periapical: causas, sintomas e m\u00e9todos de tratamento<\/title>\n<meta name=\"description\" content=\"Um cisto periapical \u00e9 uma les\u00e3o inflamat\u00f3ria cr\u00f4nica no \u00e1pice da raiz de um dente, que ocorre devido a uma infec\u00e7\u00e3o prolongada. 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