{"id":129680,"date":"2025-04-03T16:48:05","date_gmt":"2025-04-03T16:48:05","guid":{"rendered":"https:\/\/nailknowledge.org\/?p=129680"},"modified":"2025-04-16T11:20:29","modified_gmt":"2025-04-16T11:20:29","slug":"deficiencia-de-calcio-na-placa-ungueal-o-que-realmente-significam-as-manchas-brancas","status":"publish","type":"post","link":"https:\/\/nailknowledge.org\/pt\/blog\/nail-plate-calcium-deficiency-what-white-spots-really-mean","title":{"rendered":"Defici\u00eancia de c\u00e1lcio na placa ungueal: O que as manchas brancas realmente significam"},"content":{"rendered":"<p>Voc\u00ea j\u00e1 viu pequenas marcas brancas em suas unhas e pensou: \u201cAh, devo estar com pouco c\u00e1lcio\u201d? Definitivamente, voc\u00ea n\u00e3o est\u00e1 sozinho. Durante anos, fomos informados de que essas manchas misteriosas s\u00e3o os sinais reveladores da defici\u00eancia de c\u00e1lcio na placa ungueal, mas ser\u00e1 que isso \u00e9 verdade?<\/p>\n\n\n\n<p><strong>Alerta de spoiler: n\u00e3o \u00e9 verdade.<\/strong><\/p>\n\n\n\n<p>Vamos analisar tudo isso e descobrir o que suas unhas est\u00e3o realmente tentando lhe dizer, sem tirar conclus\u00f5es precipitadas sobre sua ingest\u00e3o de leite.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"eager\" fetchpriority=\"high\" decoding=\"async\" width=\"509\" height=\"339\" data-id=\"42832\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leykonychia.jpg\" alt=\"Imagem detalhada de uma unha natural com manchas brancas vis\u00edveis na superf\u00edcie, mostrando sinais comuns de pequenos traumas na matriz.\" class=\"wp-image-42832\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leykonychia.jpg 509w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leykonychia-300x200.jpg 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leykonychia-400x266.jpg 400w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leykonychia-150x100.jpg 150w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><figcaption class=\"wp-element-caption\">Imagem de uma unha natural com manchas brancas vis\u00edveis<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"42830\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-1024x683.jpg\" alt=\"Close-up de uma unha mostrando pequenas manchas brancas na placa ungueal\" class=\"wp-image-42830\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-1024x683.jpg 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-600x400.jpg 600w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-300x200.jpg 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-768x512.jpg 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-1536x1024.jpg 1536w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-2048x1365.jpg 2048w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-400x267.jpg 400w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-2-150x100.jpg 150w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Close-up de uma unha mostrando pequenas manchas brancas na placa ungueal<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"509\" height=\"339\" data-id=\"42829\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-1.jpg\" alt=\"Unhas com manchas brancas dispersas, muitas vezes confundidas com defici\u00eancia de c\u00e1lcio na placa ungueal\" class=\"wp-image-42829\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-1.jpg 509w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-1-300x200.jpg 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-1-400x266.jpg 400w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2021\/12\/Leukonychia-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><figcaption class=\"wp-element-caption\">unhas com manchas brancas dispersas, muitas vezes confundidas com defici\u00eancia de c\u00e1lcio na placa ungueal<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A defici\u00eancia de c\u00e1lcio na placa ungueal \u00e9 um fato real?<\/strong><\/h2>\n\n\n\n<p>Antes de mais nada, vamos falar sobre o que de fato \u00e9 a placa ungueal. Suas unhas s\u00e3o feitas de <em>queratina<\/em>, A prote\u00edna do cabelo, uma prote\u00edna forte tamb\u00e9m encontrada no cabelo e na pele. Elas crescem a partir da matriz da unha, a \u00e1rea abaixo da base da unha, e endurecem gradualmente \u00e0 medida que avan\u00e7am.<\/p>\n\n\n\n<p>A verdade \u00e9 que esses min\u00fasculos pontos brancos, chamados de \"pontos parciais\", s\u00e3o muito mais dif\u00edceis de serem identificados. <a href=\"https:\/\/nailknowledge.org\/pt\/base-de-conhecimento-sobre-unhas\/leuconiquia\/\">leucon\u00edquia<\/a>, As placas ungueais s\u00e3o causadas por pequenos traumas na matriz da unha. Enquanto essas pequenas c\u00e9lulas da l\u00e2mina ungueal se deslocam da matriz ungueal e atravessam o epon\u00edquio, onde a cut\u00edcula est\u00e1 presa, antes que as l\u00e2minas ungueais apare\u00e7am sob a dobra ungueal proximal, elas passam por um processo de transforma\u00e7\u00e3o. \u00c0s vezes, algo como uma manicure agressiva pode causar o problema. Ainda assim, de acordo com a ci\u00eancia m\u00e9dica, isso acontece quando as c\u00e9lulas da l\u00e2mina ungueal devem se comprimir e se tornar transparentes, mas (por algum motivo) n\u00e3o o fazem e permanecem como c\u00e9lulas pequenas, opacas e inacabadas da l\u00e2mina ungueal.<\/p>\n\n\n\n<p>Seja qual for o caso, algo interfere na forma como as c\u00e9lulas da unha se formam, deixando para tr\u00e1s uma pequena \u00e1rea opaca que se torna vis\u00edvel semanas depois.<s><\/s><\/p>\n\n\n\n<p>Portanto, n\u00e3o, suas manchas brancas n\u00e3o est\u00e3o pedindo um suplemento de c\u00e1lcio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>O que s\u00e3o manchas brancas na placa ungueal e quais s\u00e3o suas causas?<\/strong><\/h2>\n\n\n\n<p>As manchas brancas na placa ungueal, geralmente chamadas de leucon\u00edquia parcial, s\u00e3o causadas por uma pequena les\u00e3o na matriz da unha abaixo&nbsp;<a href=\"https:\/\/nailknowledge.org\/pt\/base-de-conhecimento-sobre-unhas\/o-eponiquio-2\/\">o epon\u00edquio<\/a>. Quando a matriz \u00e9 rompida, algumas c\u00e9lulas da unha podem ser empurradas para fora antes de estarem totalmente desenvolvidas. Essas c\u00e9lulas imaturas aparecem como manchas p\u00e1lidas ou brancas \u00e0 medida que crescem com a unha. Ap\u00f3s a cicatriza\u00e7\u00e3o da les\u00e3o, a matriz da unha volta a produzir c\u00e9lulas normais. Aglomerados maiores dessas c\u00e9lulas subdesenvolvidas podem criar uma \u00e1rea macia na unha, portanto, deve-se tomar cuidado extra ao preparar a placa ungueal para produtos de unhas artificiais. Para ter certeza de que est\u00e1 diante de uma leucon\u00edquia parcial, aplique um pouco de press\u00e3o sobre a placa ungueal e, se o ponto branco permanecer branco, \u00e9 porque \u00e9; se a cor mudar, \u00e9 outra coisa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mudan\u00e7as nas unhas e o que elas significam <em>Fazer<\/em> M\u00e9dia<\/strong><\/h2>\n\n\n\n<p>Embora o c\u00e1lcio n\u00e3o seja o culpado, suas unhas ainda podem refletir aspectos de sua sa\u00fade. O segredo \u00e9 saber quais tipos de altera\u00e7\u00f5es s\u00e3o importantes e quais s\u00e3o apenas peculiaridades superficiais.<\/p>\n\n\n\n<p>Aqui est\u00e1 uma folha de dicas r\u00e1pida:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Manchas brancas<\/strong>: Geralmente \u00e9 resultado de um defeito no processo de compress\u00e3o ou de um trauma leve no epon\u00edquio ou ao redor dele, e n\u00e3o de defici\u00eancias nutricionais.<\/li>\n\n\n\n<li><strong>Cumes<\/strong>: As cristas verticais s\u00e3o comuns com a idade. Sulcos horizontais profundos (<a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/linhas-de-base-2\/\">As falas de Beau<\/a>) pode indicar uma doen\u00e7a passada, um choque ou at\u00e9 mesmo um momento de estresse terr\u00edvel.<\/li>\n\n\n\n<li><strong>Suave ou&nbsp;<\/strong><a href=\"https:\/\/nailknowledge.org\/pt\/blog\/unhas-quebradicas-causas-prevencao-e-tratamento\/\"><strong>unhas quebradi\u00e7as<\/strong><\/a>: Geralmente devido \u00e0 exposi\u00e7\u00e3o excessiva \u00e0 \u00e1gua, \u00e0 lavagem frequente das m\u00e3os ou a t\u00e9cnicas severas de prepara\u00e7\u00e3o das unhas, e n\u00e3o \u00e0 dieta.<\/li>\n\n\n\n<li><a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/amarelamento\/\"><strong>Amarelamento<\/strong><\/a>: Isso pode ser devido a&nbsp;<a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/esmalte-para-unhas\/\">esmalte tradicional.<\/a>, psor\u00edase, alopecia, l\u00edquen plano ou&nbsp;<a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/infeccao-fungica\/\">infec\u00e7\u00e3o f\u00fangica<\/a>.<\/li>\n<\/ul>\n\n\n\n<p>A conclus\u00e3o a que se chega aqui \u00e9 que nem todas as altera\u00e7\u00f5es nas unhas est\u00e3o relacionadas \u00e0 nutri\u00e7\u00e3o e muito menos \u00e0 defici\u00eancia de c\u00e1lcio na placa ungueal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A verdade sobre o papel do c\u00e1lcio na sa\u00fade da placa ungueal<\/strong><\/h2>\n\n\n\n<p>Para ser justo, o c\u00e1lcio tem um pequeno papel de apoio na sa\u00fade geral das unhas. Ele contribui para a estrutura das c\u00e9lulas, e uma defici\u00eancia extrema a longo prazo pode afetar a qualidade dos tecidos em crescimento, inclusive das unhas. Mas isso \u00e9 raro na maioria dos indiv\u00edduos bem nutridos.<\/p>\n\n\n\n<p>A defici\u00eancia de c\u00e1lcio tende a se manifestar em sistemas mais cr\u00edticos, como ossos e dentes.<\/p>\n\n\n\n<p>Se estiver consumindo c\u00e1lcio suficiente por meio da dieta, como em latic\u00ednios, folhas verdes, am\u00eandoas ou leites vegetais fortificados, \u00e9 mais do que prov\u00e1vel que esteja atendendo \u00e0s necessidades do seu corpo.<\/p>\n\n\n\n<p>E se suas unhas estiverem fracas ou escamosas, o culpado provavelmente \u00e9 mais externo do que interno. H\u00e1 mais dois fatores aqui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Se voc\u00ea tiver uma matriz de unhas curta, ter\u00e1 unhas finas.<\/li>\n\n\n\n<li>Se voc\u00ea lixar a l\u00e2mina ungueal de forma muito agressiva durante a prepara\u00e7\u00e3o da unha, danificar\u00e1 a estrutura essencial da l\u00e2mina ungueal necess\u00e1ria para manter sua for\u00e7a e flexibilidade, causando fraqueza excessiva da unha e criando ainda mais descama\u00e7\u00e3o e delamina\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mitos comuns sobre a defici\u00eancia de c\u00e1lcio na placa ungueal<\/strong><\/h2>\n\n\n\n<p>\u00c9 f\u00e1cil se deixar levar pelos contos da carochinha e pelas dicas de bem-estar da Internet, portanto, vamos esclarecer alguns mitos mais comuns.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mito: Os suplementos de biotina e c\u00e1lcio resolvem todos os problemas das unhas.<\/strong><br><em>Verdade: Eles podem ajudar se voc\u00ea tiver uma defici\u00eancia diagnosticada, mas a maioria das pessoas n\u00e3o ver\u00e1 melhorias significativas, a menos que haja um desequil\u00edbrio real.<\/em><\/li>\n\n\n\n<li><strong>Mito: Beber mais leite fortalecer\u00e1 suas unhas.<\/strong><br><em>Verdade: Embora o leite seja uma fonte de c\u00e1lcio, as unhas n\u00e3o precisam dele da mesma forma que os ossos.<\/em> <em>Suas unhas adoram o \u00f3leo para unhas, mas beb\u00ea-lo n\u00e3o ajudar\u00e1. Esfregue-o suavemente ap\u00f3s aplic\u00e1-lo atr\u00e1s da borda livre da placa ungueal, permitindo que ele escorra para as dobras laterais da unha. O calor gerado pela fric\u00e7\u00e3o ajudar\u00e1 o \u00f3leo a penetrar na placa ungueal.<\/em><\/li>\n\n\n\n<li><strong>Mito: Todos os problemas nas unhas significam que h\u00e1 algo errado com sua dieta.<\/strong><br><em>Verdade: Na maioria das vezes, a culpa \u00e9 de seus h\u00e1bitos di\u00e1rios, como morder, cutucar, lavar ou usar tratamentos agressivos para preparar as unhas.<\/em><\/li>\n\n\n\n<li><strong>Mito: Lixar a borda livre da l\u00e2mina ungueal em uma dire\u00e7\u00e3o impedir\u00e1 que ela se parta.<br><\/strong>Verdade: Uma lixa de unha diamantada de 120 gr\u00e3os rasgar\u00e1 a borda livre da placa ungueal, independentemente da maneira como voc\u00ea a lixa. \u00c9 melhor usar uma lixa de gr\u00e3o 180-240 aplicando uma press\u00e3o suave e uniforme para evitar que isso aconte\u00e7a.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Como cuidar de fato de sua placa ungueal<\/strong><\/h2>\n\n\n\n<p>Em vez de perseguir o mito da defici\u00eancia de c\u00e1lcio na placa ungueal, concentre-se nesses h\u00e1bitos reais de cuidados com as unhas.<\/p>\n\n\n\n<p><strong>Hidratar, hidratar, hidratar<\/strong>: Use \u00f3leos de alta qualidade para unhas e pele em combina\u00e7\u00e3o com cremes para as m\u00e3os ou esfoliantes de alta qualidade regularmente para evitar que as unhas e a pele ressequem e descasquem.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Proteja suas m\u00e3os<\/strong>: Use luvas ao limpar ou lavar pratos para evitar&nbsp;<a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/superexposicao\/\">superexposi\u00e7\u00e3o<\/a>&nbsp;\u00e0 \u00e1gua e&nbsp;<a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/quimica\/\">produtos qu\u00edmicos<\/a>.<\/li>\n\n\n\n<li><strong>Arquivar corretamente<\/strong>: Use uma lixa de gr\u00e3o 180-240 ao lixar a borda livre para evitar danos adicionais.<\/li>\n\n\n\n<li><strong>N\u00e3o pegue ou morda<\/strong>: Pode ser um h\u00e1bito nervoso, mas tamb\u00e9m \u00e9 uma das maneiras mais r\u00e1pidas de danificar a placa ungueal e a pele ao redor.<\/li>\n\n\n\n<li><strong>Tenha uma dieta balanceada<\/strong>: Inclua bastante prote\u00edna, \u00f4mega-3 e ferro,&nbsp;<a href=\"https:\/\/nailknowledge.org\/pt\/glossario\/zinco\/\">zinco<\/a>O objetivo da dieta \u00e9 ajudar as unhas de dentro para fora. A matriz da unha obt\u00e9m seus nutrientes do sangue e somente do sangue; quanto melhor for sua dieta, melhores ser\u00e3o suas unhas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Considera\u00e7\u00f5es finais sobre a defici\u00eancia de c\u00e1lcio na placa ungueal<\/strong><\/h2>\n\n\n\n<p>Embora seja tentador atribuir as manchas brancas ou as pontas quebradi\u00e7as a uma defici\u00eancia de c\u00e1lcio na placa ungueal, a ci\u00eancia simplesmente n\u00e3o confirma isso. Na maioria das vezes, suas unhas est\u00e3o reagindo ao desgaste di\u00e1rio a que s\u00e3o submetidas. Seja por uma batida na mesa, lavagem frequente das m\u00e3os ou uma manicure particularmente agressiva, essas coisas t\u00eam mais impacto do que um copo de leite jamais poderia ter.<\/p>\n\n\n\n<p>Portanto, da pr\u00f3xima vez que algu\u00e9m apontar para a sua unha e disser: \u201cVoc\u00ea precisa de mais c\u00e1lcio\u201d, sinta-se \u00e0 vontade para falar um pouco de conhecimento. Suas unhas s\u00e3o complexas, sim, mas tamb\u00e9m s\u00e3o surpreendentemente resistentes. Com os cuidados corretos e um pouco de desmascaramento de mitos, elas se manter\u00e3o fortes e saud\u00e1veis sem precisar ir ao mercado de latic\u00ednios.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Leitura adicional<\/h2>\n\n\n\n<p>Voc\u00ea acha que essas manchas brancas em suas unhas significam que voc\u00ea precisa de mais c\u00e1lcio? N\u00e3o \u00e9 bem assim! Embora seja um mito comum, a verdade por tr\u00e1s dessas marcas \u00e9 mais complexa. Saiba o que realmente causa as manchas e linhas brancas nas unhas em nosso guia detalhado sobre <strong>leucon\u00edquia<\/strong>O que \u00e9, por que acontece e o que realmente significa para a sa\u00fade das unhas. <a class=\"\" href=\"https:\/\/nailknowledge.org\/pt\/base-de-conhecimento-sobre-unhas\/leuconiquia\/\">Leia mais aqui<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Have you ever spotted tiny white marks on your fingernails and thought, \u201cAh, I must be low on calcium\u201d? You\u2019re definitely not alone. For years, we\u2019ve been told these mysterious specks are the telltale signs of nail plate calcium deficiency, but is there any truth to it? Spoiler alert: not ture. Let\u2019s break it all [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":129696,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[75],"tags":[],"class_list":{"0":"post-129680","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-myth-busting","8":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nail Plate Calcium Deficiency: What White Spots Really Mean - NailKnowledge<\/title>\n<meta name=\"description\" content=\"Is nail plate calcium deficiency behind those white spots on your nails? Discover the truth and what really causes changes in your nail health.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nailknowledge.org\/pt\/blog\/deficiencia-de-calcio-na-placa-ungueal-o-que-realmente-significam-as-manchas-brancas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nail Plate Calcium Deficiency: What White Spots Really Mean - NailKnowledge\" \/>\n<meta property=\"og:description\" content=\"Is nail plate calcium deficiency behind those white spots on your nails? 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