{"id":6054,"date":"2026-05-26T09:07:11","date_gmt":"2026-05-26T02:07:11","guid":{"rendered":"https:\/\/phuongthanh.vn\/?post_type=dental_knowledge&#038;p=6054"},"modified":"2026-05-29T08:25:11","modified_gmt":"2026-05-29T01:25:11","slug":"oral-cancer-dont-underestimate-a-small-ulcer","status":"publish","type":"dental_knowledge","link":"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/","title":{"rendered":"Oral Cancer: Don&#8217;t Underestimate a Small Ulcer"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#1_What_Is_Oral_Cancer\" >1. What Is Oral Cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#2_Who_Is_at_High_Risk_of_Oral_Cancer\" >2. Who Is at High Risk of Oral Cancer?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#21_Long-term_cigarette_smokers\" >2.1. Long-term cigarette smokers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#22_People_who_frequently_drink_alcohol_and_beer\" >2.2. People who frequently drink alcohol and beer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#23_People_over_50_years_old\" >2.3. People over 50 years old<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#24_People_with_prolonged_ulcers_or_white_patches_in_the_mouth\" >2.4. People with prolonged ulcers or white patches in the mouth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#25_People_with_sharp_teeth_or_prolonged_denture_irritation\" >2.5. People with sharp teeth or prolonged denture irritation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#26_People_infected_with_HPV\" >2.6. People infected with HPV<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#3_Oral_Cancer_Signs_That_Should_Not_Be_Ignored\" >3. Oral Cancer Signs That Should Not Be Ignored<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#4_Can_Oral_Cancer_Be_Detected_Early\" >4. Can Oral Cancer Be Detected Early?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/phuongthanh.vn\/en\/dental-knowledge\/oral-cancer-dont-underestimate-a-small-ulcer\/#5_Dont_Underestimate_a_Small_Ulcer_in_Your_Mouth\" >5. Don&#8217;t Underestimate a Small Ulcer in Your Mouth<\/a><\/li><\/ul><\/nav><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Many people think that a mouth ulcer is just ordinary &#8220;heat sores&#8221;. However, the reality shows that there have been quite a few cases coming for examination just because the ulcer lasted a long time without healing, and the final result was oral cancer.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">The danger of oral cancer is not because the disease is rare, but because the early stage usually develops silently, causes little pain, and is very easy to overlook.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Initially, the disease may only manifest as:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">A long-lasting ulcer<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">White patches in the oral cavity<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Red patches or slightly burning mucous membrane areas<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Numbness sensation on the tongue or oral mucosa<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">This subjective view of these small signs causes many patients to detect the disease only in the late stage.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_What_Is_Oral_Cancer\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\"><strong>1. What Is Oral Cancer?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6033 size-full\" src=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi.png\" alt=\"What is oral cancer?\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi.png 1536w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi-300x200.png 300w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi-1024x683.png 1024w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi-150x100.png 150w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ungthumienglagi-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Oral cancer is a condition where malignant cells appear in the oral cavity. According to international statistics, the world records nearly 355,000 new cases of lip and oral cavity cancer each year.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">More than 90% of cases are squamous cell carcinoma \u2014 the most common type of cancer in the mouth area.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Cancer can appear in many locations such as:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Tongue<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Floor of mouth<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Cheek mucosa<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Gums<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Lips<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Hard palate<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Among these, tongue cancer is the most common type.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Who_Is_at_High_Risk_of_Oral_Cancer\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\"><strong>2. Who Is at High Risk of Oral Cancer?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Long-term_cigarette_smokers\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong>2.1. Long-term cigarette smokers<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hutthuoc.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6023 size-full\" style=\"display: block; padding: 0; margin: auto;\" src=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hutthuoc.jpeg\" alt=\"\" width=\"500\" height=\"281\" srcset=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hutthuoc.jpeg 500w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hutthuoc-300x169.jpeg 300w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hutthuoc-150x84.jpeg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Cigarette smoking is the leading risk factor for oral cancer.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Smokers have about 3 times higher risk of developing the disease compared to non-smokers.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Not only cigarettes, but also:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Tobacco<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Cigars<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Electronic cigarettes<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Secondhand smoking<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">can all cause prolonged damage to oral mucosa and increase cancer risk.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_People_who_frequently_drink_alcohol_and_beer\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong>2.2. People who frequently drink alcohol and beer<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ruoubia.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6025\" style=\"display: block; margin: auto; padding: 0;\" src=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ruoubia.jpg\" alt=\"\" width=\"768\" height=\"431\" srcset=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ruoubia.jpg 768w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ruoubia-300x168.jpg 300w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/ruoubia-150x84.jpg 150w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Alcohol and beer make oral mucosa more vulnerable to injury and increase absorption of carcinogenic substances.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Particularly, when combining tobacco and alcohol, oral cancer risk increases significantly. This is a common factor in many oral cancer patients today.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"23_People_over_50_years_old\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong>2.3. People over 50 years old<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Most cases of oral cancer occur in people over 50 years old.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">However, currently, the disease is showing a trend of affecting younger people due to:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Early smoking habits<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">HPV infection<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Unhealthy lifestyle<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"24_People_with_prolonged_ulcers_or_white_patches_in_the_mouth\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong>2.4. People with prolonged ulcers or white patches in the mouth<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/04\/viem-loi-o-tre-em-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5520\" style=\"display: block; margin: auto; padding: 0;\" src=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/04\/viem-loi-o-tre-em-1.jpg\" alt=\"\" width=\"768\" height=\"524\" srcset=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/04\/viem-loi-o-tre-em-1.jpg 768w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/04\/viem-loi-o-tre-em-1-300x205.jpg 300w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/04\/viem-loi-o-tre-em-1-150x102.jpg 150w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Special attention should be paid if the following appear:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Oral ulcers lasting more than 2 weeks without healing<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">White patches that won&#8217;t disappear<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Prolonged red patches<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Abnormally thickened and hardened mucous membrane areas<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">These may be precancerous lesions and need early examination.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"25_People_with_sharp_teeth_or_prolonged_denture_irritation\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong>2.5. People with sharp teeth or prolonged denture irritation<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/monrang.avif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6029\" src=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/monrang.avif\" alt=\"\" width=\"1000\" height=\"666\" srcset=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/monrang.avif 1000w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/monrang-300x200.avif 300w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/monrang-150x100.avif 150w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/monrang-768x511.avif 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">A broken sharp tooth or poorly fitting denture causing prolonged irritation for many years can create chronic irritation on the oral mucosa.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">This is a risk factor that many people often overlook.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"26_People_infected_with_HPV\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong>2.6. People infected with HPV<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hpv.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6031\" src=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hpv.webp\" alt=\"\" width=\"1020\" height=\"680\" srcset=\"https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hpv.webp 1020w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hpv-300x200.webp 300w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hpv-150x100.webp 150w, https:\/\/phuongthanh.vn\/wp-content\/uploads\/2026\/05\/hpv-768x512.webp 768w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">HPV, especially HPV16, is closely associated with cancer of the pharynx and base of tongue.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Currently, many countries report an increasing trend of HPV-related cancer in young people, including those who don&#8217;t smoke.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_Oral_Cancer_Signs_That_Should_Not_Be_Ignored\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\"><strong>3. Oral Cancer Signs That Should Not Be Ignored<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Don&#8217;t wait until you have severe pain to see a doctor.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">If any of the following signs last more than 2 weeks, patients should see a specialist in Dentistry &amp; Oral Surgery or Otolaryngology as soon as possible:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Long-lasting ulcer in the mouth<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">White or red patches in the oral cavity<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Abnormal bleeding<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Difficulty swallowing<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Prolonged bad breath<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Numbness of tongue or lips<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Difficulty opening the mouth<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Appearance of neck lymph nodes<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Abnormal tooth loosening<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_Can_Oral_Cancer_Be_Detected_Early\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\"><strong>4. Can Oral Cancer Be Detected Early?<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">The answer is yes.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Unlike many other organs in the body, the oral cavity is an area that can be directly observed. Therefore, with regular dental check-ups, dentists can:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Detect lesions early<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Perform early biopsy<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Treat early<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Significantly increase survival chances for patients<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Many international studies show that screening and early detection help reduce mortality rates from oral cancer.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"5_Dont_Underestimate_a_Small_Ulcer_in_Your_Mouth\"><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\"><strong>5. Don&#8217;t Underestimate a Small Ulcer in Your Mouth<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Many oral cancer patients once thought:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">&#8220;It&#8217;s probably just a heat sore.&#8221;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">But many also came to the hospital when the disease was already in the late stage.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Yet, just one early check-up could help detect the disease while treatment is still effective.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Don&#8217;t let complacency cost you:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Your health<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Your voice<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Your ability to chew<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">And even your life<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\"><strong>References<\/strong><\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Warnakulasuriya S, Kerr AR. <em>Oral Cancer Screening: Past, Present, and Future.<\/em> Journal of Dental Research. 2021;100(12):1313\u20131320.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Rivera C. <em>Essentials of Oral Cancer.<\/em> Int J Clin Exp Pathol. 2015;8(9):11884\u201311894.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Sankaranarayanan R, Ramadas K, Thomas G, et al. <em>Effect of Screening on Oral Cancer Mortality in Kerala, India: A Cluster-Randomised Controlled Trial.<\/em> Lancet. 2005;365(9475):1927\u20131933.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Chuang SL, Su WW, Chen SL, et al. <em>Population-Based Screening Program for Reducing Oral Cancer Mortality in Taiwan.<\/em> Journal of Clinical Oncology. 2017;35(15):1597\u20131603.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Neville BW, Day TA. <em>Oral Cancer and Precancerous Lesions.<\/em> CA Cancer J Clin. 2002;52(4):195\u2013215.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Warnakulasuriya S. <em>Global Epidemiology of Oral and Oropharyngeal Cancer.<\/em> Oral Oncology. 2009;45(4\u20135):309\u2013316.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">International Agency for Research on Cancer (IARC) \u2013 GLOBOCAN Oral Cancer Statistics.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 18pt;\"><strong><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.facebook.com\/NhaKhoaPhuongThanh\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: arial, helvetica, sans-serif;\">PHUONG THANH DENTAL CLINIC<\/span><\/a><\/span><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Sa Dec Branch: 483 Hung Vuong, Cai Son Block, Sa Dec Ward, Dong Thap Province.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Hotline: 02773 95 6868<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Cao Lanh Branch: 783 Pham Huu Lau, Cao Lanh Ward, Dong Thap Province (Dong Thap University Campus)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Hotline: 02773 95 6869<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-size: 18pt;\"><em><strong>P.T.T<\/strong><\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many people think that a mouth ulcer is just ordinary &#8220;heat sores&#8221;. However, the reality shows that there have been quite a few cases coming for examination just because the ulcer lasted a long time without healing, and the final result was oral cancer. The danger of oral cancer is not because the disease is [&hellip;]<\/p>\n","protected":false},"featured_media":6033,"template":"","knowledge_category":[],"class_list":["post-6054","dental_knowledge","type-dental_knowledge","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/phuongthanh.vn\/en\/wp-json\/wp\/v2\/dental_knowledge\/6054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phuongthanh.vn\/en\/wp-json\/wp\/v2\/dental_knowledge"}],"about":[{"href":"https:\/\/phuongthanh.vn\/en\/wp-json\/wp\/v2\/types\/dental_knowledge"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phuongthanh.vn\/en\/wp-json\/wp\/v2\/media\/6033"}],"wp:attachment":[{"href":"https:\/\/phuongthanh.vn\/en\/wp-json\/wp\/v2\/media?parent=6054"}],"wp:term":[{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/phuongthanh.vn\/en\/wp-json\/wp\/v2\/knowledge_category?post=6054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}