{"id":902,"date":"2025-04-04T14:38:39","date_gmt":"2025-04-04T11:38:39","guid":{"rendered":"https:\/\/wiki.voka.io\/diseases\/uncategorized\/neobratimyi-pulpit\/"},"modified":"2025-07-21T11:02:32","modified_gmt":"2025-07-21T08:02:32","slug":"pulpite-irreversivel","status":"publish","type":"diseases_post","link":"https:\/\/wiki.voka.io\/pt\/doencas\/dentarias\/pulpite-irreversivel\/","title":{"rendered":"Pulpite irrevers\u00edvel: Etiologia, anatomia, apresenta\u00e7\u00e3o cl\u00ednica e tratamento"},"content":{"rendered":"<p>A pulpite irrevers\u00edvel \u00e9 uma inflama\u00e7\u00e3o da polpa de um dente que n\u00e3o desaparece quando a sua causa \u00e9 removida. <\/p>\n<h2 class=\"wp-block-heading\" id=\"a-etiologia\"><strong>A etiologia<\/strong><\/h2>\n<p>A principal causa da pulpite \u00e9 a penetra\u00e7\u00e3o de um processo carioso na polpa. Pode tamb\u00e9m ser causada por traumatismos no dente (traumatismos mec\u00e2nicos, traumatismos oclusais, movimentos ortod\u00f4nticos dos dentes), factores iatrog\u00e9nicos (prepara\u00e7\u00e3o sem refrigera\u00e7\u00e3o, isolamento deficiente do campo de trabalho, abertura acidental da polpa, utiliza\u00e7\u00e3o de revestimentos e materiais de restaura\u00e7\u00e3o t\u00f3xicos). <\/p>\n<h3 class=\"wp-block-heading\" id=\"mecanismo-de-lesao-pulpar-na-pulpite-irreversivel\"><strong>Mecanismo de les\u00e3o pulpar na pulpite irrevers\u00edvel<\/strong><\/h3>\n<p>Quando ocorre a invas\u00e3o microbiana da polpa, os mecanismos de defesa inflamat\u00f3rios s\u00e3o activados, os neutr\u00f3filos acumulam-se e as c\u00e9lulas imunit\u00e1rias acumulam-se. Os neutr\u00f3filos migram do lado da polpa para as bocas dos t\u00fabulos dentin\u00e1rios adjacentes e libertam radicais de oxig\u00e9nio, enzimas lisossomais e \u00f3xido n\u00edtrico, que contribuem para a destrui\u00e7\u00e3o dos tecidos. A liberta\u00e7\u00e3o de neuropept\u00eddeos pr\u00f3-inflamat\u00f3rios causa vasodilata\u00e7\u00e3o e aumento da permeabilidade da parede vascular. Isto leva \u00e0 liberta\u00e7\u00e3o de fluido do l\u00famen vascular para os tecidos.    <\/p>\n<p>O exsudado \u00e9 inicialmente seroso, depois seroso-purulento e purulento. Verifica-se um aumento da press\u00e3o tecidular e o desenvolvimento do centro de necrose da polpa. A zona de necrose \u00e9 rodeada por uma acumula\u00e7\u00e3o de granul\u00f3citos neutr\u00f3filos que fagocitam bact\u00e9rias e tecido sem c\u00e9lulas com sinais de decomposi\u00e7\u00e3o parcial. O tecido circundante apresenta um padr\u00e3o de inflama\u00e7\u00e3o cr\u00f3nica: macr\u00f3fagos, fibroblastos, mast\u00f3citos e c\u00e9lulas espumosas. Mesmo uma \u00e1rea limitada de necrose \u00e9 um sinal de que a pulpite revers\u00edvel est\u00e1 a transformar-se em pulpite irrevers\u00edvel. A \u00e1rea inicial de necrose espalha-se lentamente mais profundamente na dire\u00e7\u00e3o apical.     <\/p>\n<p>Como consequ\u00eancia da inflama\u00e7\u00e3o pode ocorrer a fus\u00e3o purulenta da polpa e a sua necrose, ou a transi\u00e7\u00e3o do processo agudo no cr\u00f3nico, caso tenha havido evacua\u00e7\u00e3o espont\u00e2nea do exsudado. <\/p>\n<p>Na pulpite cr\u00f3nica, as altera\u00e7\u00f5es proliferativas s\u00e3o dominantes: o edema inflamat\u00f3rio desaparece e os elementos fibrosos crescem intensamente.<\/p>\n<h3 class=\"wp-block-heading\" id=\"mecanismo-de-desenvolvimento-da-dor\"><strong>Mecanismo de desenvolvimento da dor<\/strong><\/h3>\n<p>Os mediadores inflamat\u00f3rios, como a bradicinina e a histamina, activam as fibras nervosas do tipo C. As fibras C n\u00e3o s\u00e3o mielinizadas, t\u00eam uma velocidade de condu\u00e7\u00e3o baixa, um di\u00e2metro mais pequeno e um limiar de excita\u00e7\u00e3o mais elevado do que as fibras A\ud835\udec5. S\u00e3o mais profundas e s\u00e3o activadas principalmente pelo calor, causando uma dor surda, dolorosa, excruciante, prolongada e por vezes difusa. A exposi\u00e7\u00e3o ao frio em pacientes com pulpite irrevers\u00edvel sintom\u00e1tica pode causar vasoconstri\u00e7\u00e3o e uma queda na press\u00e3o da polpa, o que pode proporcionar um al\u00edvio tempor\u00e1rio da dor. As fibras C tamb\u00e9m diferem das fibras A na sua capacidade de manter a integridade funcional sob hipoxia tecidular e de continuar a funcionar durante per\u00edodos de tempo mais longos com o decorrer da inflama\u00e7\u00e3o. A resposta das fibras C indica que os danos na polpa s\u00e3o irrevers\u00edveis.    <\/p>\n<h2 class=\"wp-block-heading\" id=\"anatomia\"><strong>Anatomia<\/strong><\/h2>\n<p>Dependendo do fator etiol\u00f3gico, o dente afetado pode apresentar:<\/p>\n<ul class=\"wp-block-list\">\n<li>Uma cavidade cariosa que penetra na polpa de um dente;<\/li>\n<li>Restaura\u00e7\u00e3o de um dente pr\u00f3ximo da c\u00e2mara pulpar ou diretamente adjacente ao tecido pulpar;<\/li>\n<li>Restaura\u00e7\u00e3o de um dente com sinais de selagem deficiente (defeitos, fissuras na restaura\u00e7\u00e3o, pigmenta\u00e7\u00e3o na margem, c\u00e1ries secund\u00e1rias);<\/li>\n<li>Sinais de traumatismo (fissuras, lascas de esmalte, dentina, exposi\u00e7\u00e3o de parte da polpa).<\/li>\n<\/ul>\n<p>No processo agudo, a polpa est\u00e1 inchada, hiper\u00e9mica e de cor vermelha viva. Podem ser encontradas pequenas hemorragias \u00e0 volta dos vasos. O exsudado purulento aparece primeiro sob a forma de acumula\u00e7\u00e3o localizada, espalhando-se depois por toda a polpa da coroa e da raiz. A polpa torna-se cinzenta-avermelhada ou acinzentada.    <\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/Dentistry\/Irreversible%20pulpitis%3A%20etiology%2C%20anatomy%2C%20clinical%20picture%20and%20treatment\/Acute-irreversible-pulpitis.webp\" alt=\"Incha\u00e7o e hiperemia da polpa na pulpite aguda irrevers\u00edvel\"><figcaption class=\"wp-element-caption\">Incha\u00e7o e hiperemia da polpa na pulpite aguda irrevers\u00edvel \u2013 <a href=\"https:\/\/catalog.voka.io\/en\/models\/3ed27118-f048-4865-b4ec-042c2caa7e2f\/99beb15a-f0dc-4173-8260-e34c2e2c7da5\/289f3bbb-1ce5-47d2-99ed-c193806a5809\/14205f57-9427-4365-8ffa-5ad3e7a53835\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<p>No processo cr\u00f3nico, a polpa \u00e9 substitu\u00edda por granula\u00e7\u00e3o e depois por tecido cicatricial fibroso denso e grosseiro de cor esbranqui\u00e7ada.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/Dentistry\/Irreversible%20pulpitis%3A%20etiology%2C%20anatomy%2C%20clinical%20picture%20and%20treatment\/Chronic-irreversible-pulpitis.webp\" alt=\"Substitui\u00e7\u00e3o da polpa por tecido cicatricial na pulpite cr\u00f3nica irrevers\u00edvel\"><figcaption class=\"wp-element-caption\">Substitui\u00e7\u00e3o da polpa por tecido cicatricial em pulpite cr\u00f3nica irrevers\u00edvel \u2013 <a href=\"https:\/\/catalog.voka.io\/en\/models\/3ed27118-f048-4865-b4ec-042c2caa7e2f\/99beb15a-f0dc-4173-8260-e34c2e2c7da5\/289f3bbb-1ce5-47d2-99ed-c193806a5809\/ac1ce926-cdba-480b-9f23-0f5ca43e741d\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"classificacao\"><strong>Classifica\u00e7\u00e3o<\/strong><\/h2>\n<ul class=\"wp-block-list\">\n<li>Pulpite aguda irrevers\u00edvel;<\/li>\n<li>Pulpite cr\u00f3nica irrevers\u00edvel.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\" id=\"diagnostico\"><strong>Diagn\u00f3stico<\/strong><\/h2>\n<ul class=\"wp-block-list\">\n<li>A recolha de queixas e a anamnese s\u00e3o muito importantes (presen\u00e7a, natureza e localiza\u00e7\u00e3o da dor, dura\u00e7\u00e3o dos ataques de dor, presen\u00e7a\/aus\u00eancia de intervalos \u201cligeiros\u201d, factores que provocam e aliviam a dor, tratamento dent\u00e1rio recente, traumatismo);<\/li>\n<li>A percuss\u00e3o do dente \u00e9 indolor ou question\u00e1vel;<\/li>\n<li>A palpa\u00e7\u00e3o ao longo da prega de transi\u00e7\u00e3o \u00e9 indolor;<\/li>\n<li>Teste de temperatura \u2013 a exposi\u00e7\u00e3o a um est\u00edmulo de frio e\/ou calor provoca um ataque de dor que se mant\u00e9m ap\u00f3s a remo\u00e7\u00e3o do est\u00edmulo. Em caso de envolvimento pulpar extenso, pode n\u00e3o haver rea\u00e7\u00e3o ao est\u00edmulo de frio, enquanto a rea\u00e7\u00e3o ao est\u00edmulo de calor se mant\u00e9m; <\/li>\n<li>Electroodontometria \u2013 os dentes com pulpite irrevers\u00edvel t\u00eam um limiar de estimula\u00e7\u00e3o el\u00e9ctrica mais elevado do que os dentes com polpa saud\u00e1vel ou pulpite revers\u00edvel;<\/li>\n<li>O teste da mordidela foi negativo;<\/li>\n<li>Anestesia selectiva \u2013 utilizada para identificar o dente causador da dor por irradia\u00e7\u00e3o, e na diferencia\u00e7\u00e3o da dor neodontog\u00e9nica;<\/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 adjacente\/penetrante na c\u00e2mara pulpar, normalmente sem altera\u00e7\u00f5es na \u00e1rea periapical. Com a progress\u00e3o do processo, pode ser vis\u00edvel o espessamento do espa\u00e7o do ligamento periodontal. <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\" id=\"manifestacoes-clinicas\"><strong>Manifesta\u00e7\u00f5es cl\u00ednicas<\/strong><\/h2>\n<p>Na pulpite aguda, o doente queixa-se de dor \u201cespont\u00e2nea\u201d do tipo ataque \u2013 uma sensa\u00e7\u00e3o que ocorre espontaneamente independentemente de est\u00edmulos externos. A frequ\u00eancia e a dura\u00e7\u00e3o dos ataques de dor e dos intervalos \u201cligeiros\u201d sem dor variam ao longo do tempo. Nas fases iniciais, os ataques de dor curtos (minutos a horas) s\u00e3o intercalados com longos intervalos sem dor (horas a dias). \u00c0 medida que o processo progride, a frequ\u00eancia e a dura\u00e7\u00e3o dos ataques de dor aumentam. A dor ocorre frequentemente durante a noite. A dor \u00e9 de car\u00e1cter contundente, dolorosa, excruciante, prolongada, por vezes aguda e puls\u00e1til, podendo atingir uma intensidade significativa e tornar-se intoler\u00e1vel. A dor irradia frequentemente para os dentes vizinhos, para os dentes antagonistas e pode migrar.       <\/p>\n<p>A exposi\u00e7\u00e3o a est\u00edmulos t\u00e9rmicos, mec\u00e2nicos e qu\u00edmicos resulta num ataque prolongado de dor que persiste ap\u00f3s a remo\u00e7\u00e3o do est\u00edmulo. <\/p>\n<figure class=\"wp-block-video\" id=\"animacao-3d-pulpite-aguda-irreversivel\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/Dentistry\/Irreversible%20pulpitis%3A%20etiology%2C%20anatomy%2C%20clinical%20picture%20and%20treatment\/Acute%20irreversible%20pulpitis%20horizontal%20plashki%20watermark.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Anima\u00e7\u00e3o 3D \u2013 Pulpite aguda irrevers\u00edvel<\/figcaption><\/figure>\n<p>A pulpite cr\u00f3nica caracteriza-se por uma discrep\u00e2ncia entre a fraqueza do sintoma de dor e o grau de destrui\u00e7\u00e3o do dente. O paciente queixa-se de dor prolongada devido a est\u00edmulos, a dor espont\u00e2nea e nocturna est\u00e1 normalmente ausente. <\/p>\n<figure class=\"wp-block-video\" id=\"animacao-3d-pulpite-cronica-irreversivel\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/Dentistry\/Irreversible%20pulpitis%3A%20etiology%2C%20anatomy%2C%20clinical%20picture%20and%20treatment\/Chronic%20irreversible%20pulpitis%20horizontal%20plashki%20watermark.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Anima\u00e7\u00e3o 3D \u2013 Pulpite cr\u00f3nica irrevers\u00edvel<\/figcaption><\/figure>\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=\"social-links-wrapper\"><a class=\"social-icon-link\" href=\"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=\"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=\"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=\"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=\"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=\"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><a class=\"social-icon-link\" href=\"https:\/\/discord.gg\/7ejUpq8DRR\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/discord.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 class=\"wp-block-heading\" id=\"tratamento\"><strong>Tratamento<\/strong><\/h2>\n<p>A pulpite aguda irrevers\u00edvel na presen\u00e7a de dor espont\u00e2nea \u00e9 uma condi\u00e7\u00e3o que requer tratamento de emerg\u00eancia.<\/p>\n<p>Tratamento endod\u00f4ntico: envolve a remo\u00e7\u00e3o completa da polpa, o tratamento mec\u00e2nico e m\u00e9dico dos canais radiculares e a sua obtura\u00e7\u00e3o herm\u00e9tica com a subsequente restaura\u00e7\u00e3o do dente.<\/p>\n<p>Nos dentes permanentes com forma\u00e7\u00e3o incompleta da raiz, s\u00e3o poss\u00edveis as t\u00e9cnicas de revasculariza\u00e7\u00e3o e apexog\u00e9nese.<\/p>\n<p>Se o progn\u00f3stico do tratamento endod\u00f4ntico n\u00e3o for satisfat\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 a pulpite irrevers\u00edvel?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A pulpite irrevers\u00edvel \u00e9 uma inflama\u00e7\u00e3o da polpa de um dente que n\u00e3o desaparece mesmo depois de a causa da inflama\u00e7\u00e3o ter sido removida. <\/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 as principais causas de pulpite irrevers\u00edvel?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u2022 C\u00e1ries profundas que penetram na polpa; <br \/>\u2022 Traumatismo dent\u00e1rio (mec\u00e2nico, oclusal, ortod\u00f4ntico); <br \/>\u2022 Causas iatrog\u00e9nicas (prepara\u00e7\u00e3o sem refrigera\u00e7\u00e3o, isolamento insuficiente do campo de trabalho, utiliza\u00e7\u00e3o de materiais t\u00f3xicos).<\/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. Como \u00e9 que a pulpite aguda irrevers\u00edvel se manifesta?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u2022 Aparecimento de dor espont\u00e2nea, tipo ataque, muitas vezes n\u00e3o localizada; <br \/>\u2022 Natureza da dor: ba\u00e7a, dolorosa, excruciante, prolongada, por vezes aguda e latejante, pode atingir uma for\u00e7a consider\u00e1vel e tornar-se intoler\u00e1vel; <br \/>\u2022 A dor irradia frequentemente para os dentes adjacentes, para os dentes antagonistas, pode migrar.<\/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. Que sintomas s\u00e3o carater\u00edsticos da pulpite cr\u00f3nica irrevers\u00edvel?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u2022 Dor prolongada (mais de 5 segundos) a est\u00edmulos de temperatura, muitas vezes menos intensa do que no processo agudo; <br \/>\u2022 Destrui\u00e7\u00e3o dent\u00e1ria significativa com poucas queixas; <br \/>\u2022 Normalmente sem dor espont\u00e2nea e\/ou nocturna.<\/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\">5. Como \u00e9 que a pulpite irrevers\u00edvel \u00e9 tratada?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u2022 Tratamento endod\u00f4ntico (extra\u00e7\u00e3o da polpa, tratamento mec\u00e2nico e m\u00e9dico dos canais radiculares, obtura\u00e7\u00e3o dos canais radiculares e restaura\u00e7\u00e3o do dente); <br \/>\u2022 Em dentes com forma\u00e7\u00e3o radicular incompleta, podem ser utilizadas t\u00e9cnicas de revasculariza\u00e7\u00e3o e apexog\u00e9nese; <br \/>\u2022 Se a restaura\u00e7\u00e3o n\u00e3o for poss\u00edvel, o dente pode ser extra\u00eddo.<\/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\">6. Podes tratar a pulpite irrevers\u00edvel sem remover a polpa?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">N\u00e3o, porque a inflama\u00e7\u00e3o \u00e9 irrevers\u00edvel, a polpa j\u00e1 est\u00e1 danificada e n\u00e3o pode ser salva. A \u00fanica op\u00e7\u00e3o de tratamento \u00e9 a remo\u00e7\u00e3o do tecido afetado. <\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">\n    {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"O que \u00e9 a pulpite irrevers\u00edvel?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A pulpite irrevers\u00edvel \u00e9 uma inflama\u00e7\u00e3o da polpa de um dente que n\u00e3o desaparece mesmo depois de a causa da inflama\u00e7\u00e3o ter sido removida. \"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Quais s\u00e3o as principais causas de pulpite irrevers\u00edvel?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"\u2022 C\u00e1ries profundas que penetram na polpa; <br \/>\u2022 Traumatismo dent\u00e1rio (mec\u00e2nico, oclusal, ortod\u00f4ntico); <br \/>\u2022 Causas iatrog\u00e9nicas (prepara\u00e7\u00e3o sem refrigera\u00e7\u00e3o, isolamento insuficiente do campo de trabalho, utiliza\u00e7\u00e3o de materiais t\u00f3xicos).\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Como \u00e9 que a pulpite aguda irrevers\u00edvel se manifesta?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"\u2022 Aparecimento de dor espont\u00e2nea, tipo ataque, muitas vezes n\u00e3o localizada; <br \/>\u2022 Natureza da dor: ba\u00e7a, dolorosa, excruciante, prolongada, por vezes aguda e latejante, pode atingir uma for\u00e7a consider\u00e1vel e tornar-se intoler\u00e1vel; <br \/>\u2022 A dor irradia frequentemente para os dentes adjacentes, para os dentes antagonistas, pode migrar.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Que sintomas s\u00e3o carater\u00edsticos da pulpite cr\u00f3nica irrevers\u00edvel?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"\u2022 Dor prolongada (mais de 5 segundos) a est\u00edmulos de temperatura, muitas vezes menos intensa do que no processo agudo; <br \/>\u2022 Destrui\u00e7\u00e3o dent\u00e1ria significativa com poucas queixas; <br \/>\u2022 Normalmente sem dor espont\u00e2nea e\/ou nocturna.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Como \u00e9 que a pulpite irrevers\u00edvel \u00e9 tratada?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"\u2022 Tratamento endod\u00f4ntico (extra\u00e7\u00e3o da polpa, tratamento mec\u00e2nico e m\u00e9dico dos canais radiculares, obtura\u00e7\u00e3o dos canais radiculares e restaura\u00e7\u00e3o do dente); <br \/>\u2022 Em dentes com forma\u00e7\u00e3o radicular incompleta, podem ser utilizadas t\u00e9cnicas de revasculariza\u00e7\u00e3o e apexog\u00e9nese; <br \/>\u2022 Se a restaura\u00e7\u00e3o n\u00e3o for poss\u00edvel, o dente pode ser extra\u00eddo.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Podes tratar a pulpite irrevers\u00edvel sem remover a polpa?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"N\u00e3o, porque a inflama\u00e7\u00e3o \u00e9 irrevers\u00edvel, a polpa j\u00e1 est\u00e1 danificada e n\u00e3o pode ser salva. A \u00fanica op\u00e7\u00e3o de tratamento \u00e9 a remo\u00e7\u00e3o do tecido afetado. \"\n            }\n        }\n    ]\n}<\/script><\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"lista-de-fontes\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Lista de fontes<\/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\">Cat\u00e1logo VOKA.<\/p>\n<p><span class=\"small-text-medium text-grey\">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\">Berman, L. H., & Hargreaves, K. M. (2020). Cohen\u2019s Pathways of the Pulp Expert Consult. Elsevier.  <\/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\">Jain N, Gupta A, N M. An insight into neurophysiology of pulpal pain: facts and hypotheses. Korean J Pain. 2013 Oct;26(4):347-55. doi: 10.3344\/kjp.2013.26.4.347.   <\/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\">Torabinejad, M., Fouad, A., & Shabahang, S. (2020). Endodontics: Principles and Practice. Elsevier.  <\/p>\n<\/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\">American Association of Endodontists. (2019, June 3). Guide to Clinical Endodontics \u2013 American Association of Endodontists.   <\/p>\n<p><span class=\"small-text-medium text-grey\">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\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\">Ricucci, D., & Siqueira, J. F. (2013). Endodontology: An Integrated Biological and Clinical View. Quintessence Publishing (IL).  <\/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\">Bergenholtz, G., H\u00f8rsted-Bindslev, P., & Reit, C. (2013). Textbook of Endodontology. John Wiley & Sons.  <\/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\">H\u00fclsmann, M., Sch\u00e4fer, E., Bargholz, C., & Barthel, C. (2009). Problems in endodontics: Etiology, Diagnosis and Treatment. Quintessence Publishing (IL).  <\/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\">Beer, R., Baumann, M. A., & Kielbassa, A. M. (2004). Taschenatlas der Endodontie. <\/p>\n<\/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>A pulpite irrevers\u00edvel \u00e9 uma inflama\u00e7\u00e3o da polpa de um dente que n\u00e3o desaparece quando a sua causa \u00e9 removida. A etiologia A principal causa da pulpite \u00e9 a penetra\u00e7\u00e3o de um processo carioso na polpa. Pode tamb\u00e9m ser causada por traumatismos no dente (traumatismos mec\u00e2nicos, traumatismos oclusais, movimentos ortod\u00f4nticos dos dentes), factores iatrog\u00e9nicos (prepara\u00e7\u00e3o [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"template":"","diseases_category":[294],"class_list":["post-902","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 v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pulpite irrevers\u00edvel: Etiologia, anatomia, apresenta\u00e7\u00e3o cl\u00ednica e tratamento<\/title>\n<meta name=\"description\" content=\"A pulpite irrevers\u00edvel \u00e9 uma inflama\u00e7\u00e3o da polpa de um dente que n\u00e3o desaparece quando a causa \u00e9 removida. 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