{"id":59228,"date":"2026-10-24T18:48:48","date_gmt":"2026-10-24T15:48:48","guid":{"rendered":"https:\/\/melior.ee\/masseter-botox-bruxism\/"},"modified":"2026-10-25T16:32:45","modified_gmt":"2026-10-25T14:32:45","slug":"masseter-botox-bruxism","status":"publish","type":"post","link":"https:\/\/melior.ee\/en\/masseter-botox-bruxism\/","title":{"rendered":"Masseter botox for bruxism: how it works, how long it lasts, side effects"},"content":{"rendered":"\n<div class=\"mg mg-top\"><span class=\"mg-eyebrow\">Guide \u00b7 botulinum toxin<\/span><span>Melior Clinics \u00b7 updated 24.10.2026 \u00b7 4 min read<\/span><\/div>\n\n\n\n<div class=\"mg\"><div class=\"mg-answer\"><b>In short<\/b>Masseter botox weakens how hard the jaw muscles contract: you clench with less force, and jaw pain and tension may ease. It usually lasts <strong>3\u20134 months<\/strong>. It does not treat the cause; with worn teeth or jaw joint pain, a dentist comes first.<\/div><div class=\"mg-tiles\"><div class=\"mg-tile\"><span class=\"n\">3\u20134<small>months<\/small><\/span><span class=\"l\">weaker muscle, then strength returns<\/span><\/div><div class=\"mg-tile\"><span class=\"n\">14<small>days<\/small><\/span><span class=\"l\">until a possible follow-up visit<\/span><\/div><div class=\"mg-tile\"><span class=\"n\">15\u201330<small>min<\/small><\/span><span class=\"l\">treatment time<\/span><\/div><div class=\"mg-tile\"><span class=\"n\">375<small>\u20ac<\/small><\/span><span class=\"l\">from, teeth grinding treatment at Melior<\/span><\/div><\/div><p class=\"mg-asof\">Prices as of 24.10.2026<\/p><\/div>\n\n\n\n<section class=\"mg mg-b-cards\"><h2>Signs of bruxism: do you grind or clench?<\/h2><p class=\"mg-hint\">A partner or dentist often notices them first.<\/p><div class=\"mg-cards\"><div class=\"mg-card\"><svg viewBox=\"0 0 40 40\" aria-hidden=\"true\"><circle cx=\"20\" cy=\"20\" r=\"19\" fill=\"#ecedde\"\/><path d=\"M10 20c2.5-4 5-4 7.5 0s5 4 7.5 0 5-4 5 0\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M10 26c2.5-4 5-4 7.5 0s5 4 7.5 0 5-4 5 0\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><div><h3>Grinding in your sleep<\/h3><p>Usually a partner hears it, not you.<\/p><\/div><\/div><div class=\"mg-card\"><svg viewBox=\"0 0 40 40\" aria-hidden=\"true\"><circle cx=\"20\" cy=\"20\" r=\"19\" fill=\"#ecedde\"\/><circle cx=\"20\" cy=\"20\" r=\"9\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M20 15v5l3 2\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><div><h3>Clenching by day<\/h3><p>At work, driving or at a screen, often unnoticed.<\/p><\/div><\/div><div class=\"mg-card\"><svg viewBox=\"0 0 40 40\" aria-hidden=\"true\"><circle cx=\"20\" cy=\"20\" r=\"19\" fill=\"#ecedde\"\/><path d=\"M12 23c3 4 13 4 16 0\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M14 15h3M23 15h3\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><div><h3>Jaw pain<\/h3><p>Tight chewing muscles; pain can spread to the ear or face.<\/p><\/div><\/div><div class=\"mg-card\"><svg viewBox=\"0 0 40 40\" aria-hidden=\"true\"><circle cx=\"20\" cy=\"20\" r=\"19\" fill=\"#ecedde\"\/><path d=\"M16 25h8M17 28h6M20 11a6 6 0 0 0-4 10.5c1 1 1 2 1 3.5h6c0-1.5 0-2.5 1-3.5A6 6 0 0 0 20 11z\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><div><h3>Headaches, poor sleep<\/h3><p>Muscle tension can cause headaches and disturb sleep.<\/p><\/div><\/div><div class=\"mg-card\"><svg viewBox=\"0 0 40 40\" aria-hidden=\"true\"><circle cx=\"20\" cy=\"20\" r=\"19\" fill=\"#ecedde\"\/><path d=\"M20 11l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9v-6z\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M16.5 20l2.5 2.5 4.5-5\" fill=\"none\" stroke=\"#5f6440\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><div><h3>Worn teeth<\/h3><p>Sensitive, cracked or broken teeth, lost fillings.<\/p><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\"mg mg-b-note\"><div class=\"mg-note\"><h2>When to see a dentist or your GP first<\/h2><p>A dentist assesses bruxism and protects the teeth, for example with a night guard. Botulinum toxin does not replace it: it reduces muscle force, not the cause.<\/p><ul><li><strong>Worn, chipped or sensitive teeth<\/strong>: a dentist first.<\/li><li><strong>Jaw, face or ear pain<\/strong>: a dentist also checks the jaw joint.<\/li><li><strong>Snoring or breathing pauses at night<\/strong>: your GP, as sleep apnoea can be the cause.<\/li><li><strong>Grinding began with a new medicine<\/strong> (for sleep, depression or anxiety): the doctor who prescribed it; it is not stopped on your own.<\/li><\/ul><\/div><\/section>\n\n\n\n<section class=\"mg mg-b-steps\"><h2>How masseter botox is done, step by step<\/h2><ol class=\"mg-steps\"><li><h3>Consultation<\/h3><p>Health, medicines, past injections. The specialist feels the masseter as you clench and assesses whether it suits you.<\/p><\/li><li><h3>Skin test<\/h3><p>Done first if you are having botulinum toxin for the first time.<\/p><\/li><li><h3>Injections<\/h3><p>Points are marked on the lower jaw; a very fine needle goes into the masseter. 15\u201330 minutes; the specialist sets the dose.<\/p><\/li><li><h3>Afterwards<\/h3><p>4 hours: no lying down or jaw massage. 24 hours: no exercise, sauna or alcohol.<\/p><\/li><li><h3>Follow-up<\/h3><p>Possible after about two weeks.<\/p><\/li><\/ol><\/section>\n\n\n\n<section class=\"mg mg-b-photo\"><figure class=\"mg-photo\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/melior.ee\/wp-content\/uploads\/2026\/10\/melior-blogi-bruksism-malumislihased-konsultatsioon-kliinikus.jpg\" alt=\"A Melior Clinics specialist marks injection points along a patient&#x27;s lower jaw\" loading=\"lazy\" width=\"1600\" height=\"1073\"><figcaption>Injection points are marked before the treatment<\/figcaption><\/figure><\/section>\n\n\n\n<section class=\"mg mg-b-timeline\"><h2>How long masseter botox lasts<\/h2><p class=\"mg-hint\">Tap a point on the timeline.<\/p><div class=\"mg-track\" role=\"tablist\"><button class=\"mg-stop\" role=\"tab\" id=\"a9-en-4-t0\" aria-controls=\"a9-en-4-p0\" aria-selected=\"true\"><span class=\"dot\">0<\/span>first hours<\/button><button class=\"mg-stop\" role=\"tab\" id=\"a9-en-4-t1\" aria-controls=\"a9-en-4-p1\" aria-selected=\"false\" tabindex=\"-1\"><span class=\"dot\">2\u20135<\/span>days<\/button><button class=\"mg-stop\" role=\"tab\" id=\"a9-en-4-t2\" aria-controls=\"a9-en-4-p2\" aria-selected=\"false\" tabindex=\"-1\"><span class=\"dot\">14<\/span>days<\/button><button class=\"mg-stop\" role=\"tab\" id=\"a9-en-4-t3\" aria-controls=\"a9-en-4-p3\" aria-selected=\"false\" tabindex=\"-1\"><span class=\"dot\">1\u20133<\/span>months<\/button><button class=\"mg-stop\" role=\"tab\" id=\"a9-en-4-t4\" aria-controls=\"a9-en-4-p4\" aria-selected=\"false\" tabindex=\"-1\"><span class=\"dot\">3\u20136<\/span>months<\/button><\/div><div class=\"mg-panel\" role=\"tabpanel\" id=\"a9-en-4-p0\" aria-labelledby=\"a9-en-4-t0\"><h3>First hours<\/h3><p>Mild redness, small bumps or tenderness. Back to work at once; for 4 hours no lying down or jaw massage.<\/p><\/div><div class=\"mg-panel\" role=\"tabpanel\" id=\"a9-en-4-p1\" aria-labelledby=\"a9-en-4-t1\" hidden><h3>Days 2\u20135<\/h3><p>The muscle starts to weaken and you clench with less force. Chewing tough or chewy food may tire you sooner than usual.<\/p><\/div><div class=\"mg-panel\" role=\"tabpanel\" id=\"a9-en-4-p2\" aria-labelledby=\"a9-en-4-t2\" hidden><h3>Around day 14<\/h3><p>The effect has developed. A follow-up visit is possible after about two weeks to assess the result and symmetry.<\/p><\/div><div class=\"mg-panel\" role=\"tabpanel\" id=\"a9-en-4-p3\" aria-labelledby=\"a9-en-4-t3\" hidden><h3>Months 1\u20133<\/h3><p>The muscle may become thinner and the lower face may look narrower. Jaw pain and tension may ease.<\/p><\/div><div class=\"mg-panel\" role=\"tabpanel\" id=\"a9-en-4-p4\" aria-labelledby=\"a9-en-4-t4\" hidden><h3>Months 3\u20136<\/h3><p>Strength returns gradually, usually over 3\u20134 months; in studies pain relief sometimes lasted up to 6 months. A repeat is discussed with the specialist.<\/p><\/div><\/section>\n\n\n\n<section class=\"mg mg-b-light\"><h2>Masseter botox side effects: common and rare<\/h2><div class=\"mg-light\"><div class=\"mg-lamp mg-g\"><h3>Common<\/h3><ul><li>pain, redness or a small bump where injected<\/li><li>a small bruise<\/li><li>chewing tires sooner, which passes<\/li><li>a mild headache<\/li><\/ul><\/div><div class=\"mg-lamp mg-a\"><h3>Rare<\/h3><ul><li>an uneven smile<\/li><li>a bulge in the muscle when clenching<\/li><li>hollow cheeks or sagging<\/li><\/ul><p>Tell the clinic<\/p><\/div><div class=\"mg-lamp mg-r\"><h3>Call 112 now<\/h3><ul><li>difficulty breathing, swallowing or speaking<\/li><li>rash, swelling of the face or lips<\/li><\/ul><p>Emergency number in Estonia: 112<\/p><\/div><\/div><\/section>\n\n\n\n<section class=\"mg mg-b-check\"><h2>Who masseter botox may suit<\/h2><div class=\"mg-two\"><div class=\"mg-box mg-yes\"><h3>It may suit you if\u2026<\/h3><ul class=\"mg-list\"><li><span>a dentist has found or suspects bruxism<\/span><\/li><li><span>sore or tense chewing muscles<\/span><\/li><li><span>a splint protects your teeth, but tension remains<\/span><\/li><li><span>you want to clench with less force<\/span><\/li><\/ul><\/div><div class=\"mg-box mg-no\"><h3>Not suitable, or something else first, if\u2026<\/h3><ul class=\"mg-list\"><li><span>pregnancy or breastfeeding<\/span><\/li><li><span>a neuromuscular disease, e.g. myasthenia gravis<\/span><\/li><li><span>allergy to botulinum toxin or albumin<\/span><\/li><li><span>inflammation in the area, acute illness or fever<\/span><\/li><li><span>unclear cause of pain: a dentist first<\/span><\/li><\/ul><\/div><\/div><\/section>\n\n\n\n<section class=\"mg mg-more\"><h2>In more detail<\/h2><details><summary>How botulinum toxin works in bruxism<\/summary><div class=\"a\"><p>Botulinum toxin type A temporarily weakens the nerve signal to the muscle, so the masseter contracts less forcefully. Studies mainly show lower clenching force; the number of grinding episodes may not change.<\/p><p>The cause, such as stress, sleep or medicines, remains. Reviews rate the evidence as weak, and their authors suggest starting with simpler measures and a dentist&#8217;s splint.<\/p><\/div><\/details><details><summary>Will my face look slimmer?<\/summary><div class=\"a\"><p>It can. If the masseter becomes thinner over the following weeks, the lower face can look narrower. Some people want this, others do not expect it, so it is discussed at the consultation beforehand.<\/p><p>After a single treatment the muscle recovers over time; after repeated injections it can stay thinner for longer.<\/p><\/div><\/details><details><summary>Repeated injections and the jaw bone<\/summary><div class=\"a\"><p>Small studies have found thinning of the bone at the angle of the lower jaw and lower bone density in the jaw joint after repeated masseter injections; in animal studies the finding is more consistent. How much it matters in people is not yet clear.<\/p><p>Review authors advise telling patients about it before treatment. A repeat is planned only once the effect has worn off, and the need is reassessed each time.<\/p><\/div><\/details><details><summary>What a dentist does that botox does not<\/summary><div class=\"a\"><p>A dentist checks tooth wear and the jaw joint and, if needed, makes a night guard that protects the teeth. Botulinum toxin does not protect the teeth; it reduces muscle force.<\/p><p>Stress, anxiety, smoking, alcohol and caffeine can make grinding worse, and your GP can help with these.<\/p><\/div><\/details><\/section>\n\n\n\n<section class=\"mg mg-faq melior-faq\"><h2>Frequently asked questions<\/h2><details><summary>How much does masseter botox cost in Tallinn?<\/summary><div class=\"a\"><p>At Melior Clinics, teeth grinding treatment with botulinum toxin costs from \u20ac375 (price list 24.10.2026). It starts with a consultation where the specialist assesses whether it suits you.<\/p><\/div><\/details><details><summary>How long does masseter botox last?<\/summary><div class=\"a\"><p>Usually 3\u20134 months, then muscle strength gradually returns. In studies pain relief sometimes lasted up to 6 months. A repeat is discussed with the specialist.<\/p><\/div><\/details><details><summary>What are the side effects of masseter botox?<\/summary><div class=\"a\"><p>Most often temporarily weaker chewing, and pain or a bruise at the injection site. Rarely an uneven smile, a muscle bulge or hollow cheeks. Lower jaw bone density loss has been reported after repeated injections.<\/p><\/div><\/details><details><summary>Does masseter botox hurt?<\/summary><div class=\"a\"><p>Most people describe a short prick with a very fine needle. The spot can be tender for a short time, and a small bruise sometimes appears.<\/p><\/div><\/details><details><summary>Does botox cure bruxism?<\/summary><div class=\"a\"><p>No. It reduces masseter force and may ease pain and tension, but the cause of grinding remains. A dentist&#8217;s night guard protects the teeth.<\/p><\/div><\/details><details><summary>Can I eat normally afterwards?<\/summary><div class=\"a\"><p>Yes. For the first weeks, chewing tough or chewy food can feel tiring because the muscle is weaker. This is temporary.<\/p><\/div><\/details><\/section>\n\n\n\n<div class=\"mg\"><div class=\"mg-service\"><div><span class=\"mg-eyebrow\">Treatment at Melior Clinics<\/span><h2>Teeth grinding treatment in Tallinn<\/h2><div class=\"mg-chips\"><span class=\"mg-chip\">from \u20ac375<\/span><span class=\"mg-chip\">15\u201330 min<\/span><span class=\"mg-chip\">follow-up after about 2 weeks<\/span><span class=\"mg-chip\">Stockmann, 5th floor<\/span><\/div><\/div><div><a class=\"mg-btn\" href=\"https:\/\/melior.ee\/en\/teenus-toode\/botuliinisustid\/\">Areas and prices<\/a><div class=\"alt\"><a href=\"https:\/\/n1376880.alteg.io\/company\/1312549\/personal\/menu\" target=\"_blank\" rel=\"noopener\">online booking<\/a><a href=\"https:\/\/melior.ee\/en\/prices\/\">All prices<\/a><a href=\"https:\/\/melior.ee\/en\/categories\/botuliinisustid-en\/\">Botulinum injections category<\/a><\/div><\/div><\/div><\/div>\n\n\n\n<section class=\"mg mg-nextwrap\"><h2>Read next<\/h2><div class=\"mg-next\"><a class=\"mg-nextcard\" href=\"https:\/\/melior.ee\/en\/how-long-does-botox-last\/\"><small>Botulinum toxin<\/small>How long does botox last \u2014 and what to avoid afterwards<\/a><a class=\"mg-nextcard\" href=\"https:\/\/melior.ee\/en\/hyperhidrosis-botox\/\"><small>Hyperhidrosis<\/small>Hyperhidrosis and botox: how botulinum toxin helps<\/a><\/div><\/section>\n\n\n\n<div class=\"mg mg-src\"><strong>Sources<\/strong><ol><li><a href=\"https:\/\/www.nhs.uk\/conditions\/teeth-grinding\/\" target=\"_blank\" rel=\"noopener noreferrer\">NHS: Teeth grinding (bruxism)<\/a><\/li><li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12115368\/\" target=\"_blank\" rel=\"noopener noreferrer\">Coelho MS et al. Botulinum Toxin for Bruxism: An Overview. Toxins, 2025 (PMC)<\/a><\/li><li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11860558\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ferrillo M et al. The Role of Botulinum Toxin for Masseter Muscle Hypertrophy: A Comprehensive Review. Toxins, 2025 (PMC)<\/a><\/li><li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6409568\/\" target=\"_blank\" rel=\"noopener noreferrer\">Balanta-Melo J et al. Mandibular Bone Loss after Masticatory Muscles Intervention with Botulinum Toxin: An Approach from Basic Research to Clinical Findings. Toxins, 2019 (PMC)<\/a><\/li><\/ol><p>This article is general information and does not replace a consultation. Whether a treatment suits you is decided by a specialist at the consultation. Melior Clinics (Star Company O\u00dc), Liivalaia 53, Tallinn \u00b7 Estonian Health Board licence L04198.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Masseter botox weakens how hard the jaw muscles contract: you clench with less force, and jaw pain and tension may ease. It usually lasts 3\u20134 months. It does not treat the cause; with worn teeth or jaw joint pain, a dentist comes first.<\/p>\n","protected":false},"author":2035,"featured_media":59303,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[3923],"tags":[],"class_list":["post-59228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides"],"_links":{"self":[{"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/posts\/59228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/users\/2035"}],"replies":[{"embeddable":true,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/comments?post=59228"}],"version-history":[{"count":1,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/posts\/59228\/revisions"}],"predecessor-version":[{"id":59360,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/posts\/59228\/revisions\/59360"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/media\/59303"}],"wp:attachment":[{"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/media?parent=59228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/categories?post=59228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/melior.ee\/en\/wp-json\/wp\/v2\/tags?post=59228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}