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Domain > howmuchlocal.com
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2016-09-10
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2025-08-25
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HTTP/1.1 200 OKAccept-Ranges: bytesAccess-Control-Allow-Origin: *Age: 2147696Cache-Control: public, max-age0, must-revalidateContent-Disposition: inlineContent-Length: 31778Content-Type: text/html; charsetutf-8Date: Mon, 25 Aug 2025 13:01:08 GMTEtag: 5586a14f59cd8ed22429b9cdb8d0b616Last-Modified: Thu, 31 Jul 2025 16:26:11 GMTServer: VercelStrict-Transport-Security: max-age63072000X-Vercel-Cache: HITX-Vercel-Id: pdx1::5hvvw-1756126868052-62c764b31c32 !DOCTYPE html>html langen>head> meta charsetUTF-8> meta nameviewport contentwidthdevice-width, initial-scale1.0> title>Dental Anesthetic Dosage Calculator | Lidocaine, Articaine, Local Anesthetic Calculator/title> style> * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: Segoe UI, Tahoma, Geneva, Verdana, sans-serif; background: #222222; min-height: 100vh; padding: 20px; } .container { max-width: 900px; margin: 0 auto; background: #F9F8F6; border-radius: 15px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); overflow: hidden; } .header { background: #0A382B; color: white; padding: 30px; text-align: center; } .header h1 { font-size: 2.2em; margin-bottom: 10px; } .header p { opacity: 0.9; font-size: 1.1em; } .content { padding: 30px; } .patient-info { background: #F0EDE9; padding: 25px; border-radius: 10px; margin-bottom: 30px; border-left: 5px solid #2B705C; } .form-group { margin-bottom: 20px; } label { display: block; font-weight: 600; color: #2c3e50; margin-bottom: 8px; font-size: 1.1em; } input, select, button { width: 100%; padding: 12px; border: 2px solid #e1e8ed; border-radius: 8px; font-size: 16px; transition: all 0.3s ease; } input:focus, select:focus { outline: none; border-color: #2B705C; box-shadow: 0 0 10px rgba(43, 112, 92, 0.2); } .radio-group { display: flex; gap: 20px; margin-top: 8px; } .radio-label { display: flex; align-items: center; cursor: pointer; font-weight: 500; color: #2c3e50; margin-bottom: 0; } .radio-label inputtyperadio { width: auto; margin-right: 8px; margin-bottom: 0; } .radio-text { font-size: 16px; } .weight-input-group { display: grid; grid-template-columns: 2fr 1fr; gap: 15px; } .anesthetic-section { background: #FFFFFF; border: 2px solid #e1e8ed; border-radius: 10px; padding: 25px; margin-bottom: 20px; } .anesthetic-row { display: grid; grid-template-columns: 2fr 1fr auto; gap: 15px; align-items: end; margin-bottom: 15px; } .add-btn { background: #B08527; color: white; border: none; padding: 12px 20px; border-radius: 8px; cursor: pointer; font-weight: 600; transition: all 0.3s ease; } .add-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(176, 133, 39, 0.4); } .remove-btn { background: #e74c3c; color: white; border: none; padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: 14px; width: auto; } .remove-btn:hover { background: #c0392b; } .results { background: linear-gradient(135deg, #F0EDE9, #E0DCD4); border-radius: 10px; padding: 25px; margin-top: 30px; } .result-item { display: flex; justify-content: space-between; align-items: center; padding: 15px; margin-bottom: 10px; background: #FFFFFF; border-radius: 8px; border-left: 4px solid #2B705C; } .result-item.warning { border-left-color: #f39c12; background: #fef9e7; } .result-item.danger { border-left-color: #e74c3c; background: #fdedec; } .result-label { font-weight: 600; color: #2c3e50; } .result-value { font-weight: 700; font-size: 1.1em; } .warning-text { background: #f39c12; color: white; padding: 15px; border-radius: 8px; margin-top: 15px; text-align: center; font-weight: 600; } .danger-text { background: #e74c3c; color: white; padding: 15px; border-radius: 8px; margin-top: 15px; text-align: center; font-weight: 600; } .disclaimer { background: #0A382B; color: white; padding: 20px; text-align: center; font-style: italic; margin-top: 30px; } .creator-info { background: linear-gradient(135deg, #27ae60, #2ecc71); color: white; padding: 15px; text-align: center; font-weight: 600; font-size: 1.1em; border-radius: 8px; margin: 15px 30px; box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3); } @media (max-width: 768px) { body { padding: 10px; } .container { margin: 0; border-radius: 10px; } .header { padding: 20px 15px; } .header h1 { font-size: 1.6em; margin-bottom: 8px; } .header p { font-size: 0.95em; } .content { padding: 20px 15px; } .weight-input-group { grid-template-columns: 1fr; gap: 15px; } .patient-info, .anesthetic-section { padding: 20px 15px; margin-bottom: 20px; } .anesthetic-row { grid-template-columns: 1fr; gap: 15px; } .anesthetic-row .form-group { margin-bottom: 15px; } .remove-btn { width: 100%; margin-top: 10px; } input, select, button { font-size: 16px; /* Prevents zoom on iOS */ } .results { padding: 20px 15px; } .result-item { flex-direction: column; align-items: flex-start; text-align: left; gap: 5px; } .result-value { font-size: 1em; } .disclaimer { padding: 15px; font-size: 0.9em; } .creator-info { margin: 15px 10px; padding: 12px; font-size: 1em; } } @media (max-width: 480px) { .header h1 { font-size: 1.4em; } .header p { font-size: 0.9em; } .patient-info, .anesthetic-section, .results { padding: 15px 10px; } .content { padding: 15px 10px; } input, select { padding: 10px; } .add-btn { padding: 10px 15px; font-size: 0.9em; } } /style>script> window.va window.va || function () { (window.vaq window.vaq || ).push(arguments); };/script>script defer src/_vercel/insights/script.js>/script> !-- SEO Meta Tags - Add these to your head> section -->!-- Enhanced Title and Description -->meta namedescription contentFree dental anesthetic dosage calculator for safe administration of local anesthetics. Calculate maximum doses for lidocaine, articaine, mepivacaine, prilocaine, and bupivacaine based on patient weight. Essential tool for dental professionals.>!-- Keywords Meta Tag -->meta namekeywords contentdental anesthetic calculator, local anesthetic dosage, lidocaine calculator, articaine dosage, dental anesthesia, anesthetic dose calculator, dental local anesthesia, epinephrine dosage, carpule calculator, dental anesthesia safety, maximum anesthetic dose>!-- Additional SEO Meta Tags -->meta nameauthor contentDental Professional Tools>meta namerobots contentindex, follow>meta namelanguage contentEnglish>meta namerevisit-after content30 days>!-- Open Graph Meta Tags (for social media sharing) -->meta propertyog:title contentDental Anesthetic Dosage Calculator | Safe Local Anesthesia>meta propertyog:description contentCalculate maximum safe doses for dental local anesthetics including lidocaine, articaine, and more. Free tool for dental professionals.>meta propertyog:type contentwebsite>meta propertyog:url contenthttps://howmuchlocal.com>meta propertyog:site_name contentDental Anesthetic Calculator>meta propertyog:locale contenten_US>!-- Twitter Card Meta Tags -->meta nametwitter:card contentsummary>meta nametwitter:title contentDental Anesthetic Dosage Calculator>meta nametwitter:description contentCalculate maximum safe doses for dental local anesthetics. Free tool for dental professionals.>!-- Medical/Health Specific Meta Tags -->meta namemedical-disclaimer contentFor educational purposes only. Always consult current medical literature and follow institutional protocols.>meta nametarget-audience contentdental professionals, dentists, dental hygienists, oral surgeons>/head>body> div classcontainer> div classheader> h1>Dental Anesthetic Dosage Calculator/h1> p stylemargin-top: 10px; font-size: 16px; opacity: 0.9;>Calculate maximum safe dosages for local anesthetics in HEALTHY ADULTS/p> /div> div classcontent> div classpatient-info> div classweight-input-group> div classform-group> label forpatientWeight>Patient Weight/label> input typenumber idpatientWeight placeholderEnter patient weight min1 step0.1> /div> div classform-group> label>Unit/label> div classradio-group> label classradio-label> input typeradio nameweightUnit valuelbs checked> span classradio-text>lbs/span> /label> label classradio-label> input typeradio nameweightUnit valuekg> span classradio-text>kg/span> /label> /div> /div> /div> /div> div classanesthetic-section> div idanestheticRows> div classanesthetic-row> div classform-group> label>Anesthetic Type/label> select classanesthetic-select> option value>Select anesthetic.../option> option valuelidocaine_100k>Lidocaine 2% + 1:100,000 epinephrine (36mg/1.8ml)/option> option valuelidocaine_50k>Lidocaine 2% + 1:50,000 epinephrine (36mg/1.8ml)/option> option valuearticaine_100k>Articaine 4% + 1:100,000 epinephrine (72mg/1.8ml)/option> option valuearticaine_200k>Articaine 4% + 1:200,000 epinephrine (72mg/1.8ml)/option> option valueprilocaine_epi>Prilocaine 4% + 1:200,000 epinephrine (Citanest) (72mg/1.8ml)/option> option valueprilocaine_plain>Prilocaine 4% plain (Citanest) (72mg/1.8ml)/option> option valuemepivacaine_levo>Mepivacaine 3% + 1:20,000 levonordefrin (Carbocaine) (54mg/1.8ml)/option> option valuemepivacaine_plain>Mepivacaine 3% plain (Carbocaine) (54mg/1.8ml)/option> option valuebupivacaine>Bupivacaine 0.5% + 1:200,000 epinephrine (Marcaine) (9mg/1.8ml)/option> /select> /div> div classform-group> label>Number of Carpules/label> input typenumber classcarpule-count placeholder0 min0 step1> /div> button typebutton classremove-btn onclickremoveAnestheticRow(this) styledisplay: none;>Remove/button> /div> /div> button typebutton classadd-btn onclickaddAnestheticRow()>+ Add Another Anesthetic/button> /div> div classresults idresults> h3 stylemargin-bottom: 20px; color: #2c3e50;>Dosage Analysis/h3> p styletext-align: center; color: #7f8c8d; font-style: italic;>Enter patient weight and select anesthetics to see results/p> /div> /div> !-- Educational Section --> div stylebackground: #F0EDE9; padding: 20px; margin: 20px 30px; border-radius: 8px; border-left: 4px solid #2B705C;> h4 stylecolor: #2c3e50; margin-bottom: 10px;>📚 About Fractional Dosing/h4> p stylecolor: #2c3e50; line-height: 1.5; margin-bottom: 10px;> When using multiple local anesthetics, this calculator uses the strong>fractional dose method/strong> to ensure safety. Each anesthetic contributes a fraction of its maximum dose, and the sum of all fractions must not exceed 1.0 (100%). /p> p stylecolor: #2c3e50; line-height: 1.5; margin: 0;> strong>Formula:/strong> (Dose A ÷ Max A) + (Dose B ÷ Max B) + ... ≤ 1.0 /p> /div> div styletext-align: center; padding: 15px; background: #F9F8F6;> a hrefhttps://coff.ee/zahidahmed target_blank stylecolor: #B08527; text-decoration: none;>Tap here to send me coffee ☕/a> /div> div classdisclaimer> strong>⚠️ MEDICAL DISCLAIMER:/strong> This calculator uses the fractional dose method for safe administration of multiple local anesthetics. It is intended for use in healthy adult patients b>without significant comorbidities, contraindications, or concurrent medications/b> that may affect anesthetic metabolism or maximum safe dosing parameters. Always consult current medical literature and follow your current standards of care. Verify all calculations independently before patient administration. br>br> div styletext-align: center;> a hrefhttps://decisionsindentistry.com/article/update-on-maximum-local-anesthesia-dosages/ target_blank stylecolor: #7f8c8d; text-decoration: none; font-size: 12px;>Data Source/a> /div> /div> /div> script> // Anesthetic data based on Chart 4 with maximum doses (mg/kg), absolute max (mg), and max cartridges const anesthetics { articaine_100k: { name: Articaine 4% + 1:100,000 epi, maxDose: 7.0, mgPerCarpule: 72, absoluteMax: null, maxCartridges: null, limitingFactor: Local anesthetic }, articaine_200k: { name: Articaine 4% + 1:200,000 epi, maxDose: 7.0, mgPerCarpule: 72, absoluteMax: null, maxCartridges: null, limitingFactor: Local anesthetic }, bupivacaine: { name: Bupivacaine 0.5% + 1:200,000 epi, maxDose: null, mgPerCarpule: 9, absoluteMax: 90, maxCartridges: 10, limitingFactor: Local anesthetic }, lidocaine_100k: { name: Lidocaine 2% + 1:100,000 epi, maxDose: 7.0, mgPerCarpule: 36, absoluteMax: 500, maxCartridges: 11, limitingFactor: Vasoconstrictor }, lidocaine_50k: { name: Lidocaine 2% + 1:50,000 epi, maxDose: 7.0, mgPerCarpule: 36, absoluteMax: 500, maxCartridges: 5.5, limitingFactor: Vasoconstrictor }, mepivacaine_levo: { name: Mepivacaine 3% + 1:20,000 levonordefrin, maxDose: 6.6, mgPerCarpule: 54, absoluteMax: 400, maxCartridges: 11, limitingFactor: Local anesthetic; equal to vasoconstrictor }, mepivacaine_plain: { name: Mepivacaine 3% plain, maxDose: 6.6, mgPerCarpule: 54, absoluteMax: 400, maxCartridges: 7, limitingFactor: Local anesthetic }, prilocaine_epi: { name: Prilocaine 4% + 1:200,000 epi, maxDose: 8.8, mgPerCarpule: 72, absoluteMax: 600, maxCartridges: 8, limitingFactor: Local anesthetic }, prilocaine_plain: { name: Prilocaine 4% plain, maxDose: 8.8, mgPerCarpule: 72, absoluteMax: 600, maxCartridges: 8, limitingFactor: Local anesthetic } }; function addAnestheticRow() { const container document.getElementById(anestheticRows); const newRow document.querySelector(.anesthetic-row).cloneNode(true); // Reset values newRow.querySelector(.anesthetic-select).value ; newRow.querySelector(.carpule-count).value ; newRow.querySelector(.remove-btn).style.display inline-block; container.appendChild(newRow); updateRemoveButtons(); calculateDosages(); } function removeAnestheticRow(button) { button.closest(.anesthetic-row).remove(); updateRemoveButtons(); calculateDosages(); } function updateRemoveButtons() { const rows document.querySelectorAll(.anesthetic-row); rows.forEach((row, index) > { const removeBtn row.querySelector(.remove-btn); removeBtn.style.display rows.length > 1 ? inline-block : none; }); } function getWeightInKg() { const weight parseFloat(document.getElementById(patientWeight).value); const unitRadio document.querySelector(inputnameweightUnit:checked); const unit unitRadio ? unitRadio.value : kg; if (!weight || weight 0) return 0; return unit lbs ? weight / 2.20462 : weight; } // FIXED calculateDosages() function with proper fractional dosing function calculateDosages() { const weightInKg getWeightInKg(); const resultsDiv document.getElementById(results); if (!weightInKg || weightInKg 0) { resultsDiv.innerHTML ` h3 stylemargin-bottom: 20px; color: #2c3e50;>Dosage Analysis/h3> p styletext-align: center; color: #7f8c8d; font-style: italic;>Enter patient weight and select anesthetics to see results/p> `; return; } const rows document.querySelectorAll(.anesthetic-row); let totalResults {}; let hasValidData false; let fractionalSum 0; // First pass: collect all data and calculate totals rows.forEach(row > { const anestheticType row.querySelector(.anesthetic-select).value; const carpules parseInt(row.querySelector(.carpule-count).value) || 0; if (anestheticType && carpules > 0) { hasValidData true; const anesthetic anestheticsanestheticType; if (!totalResultsanestheticType) { totalResultsanestheticType { carpules: 0, totalMg: 0, anesthetic: anesthetic }; } totalResultsanestheticType.carpules + carpules; totalResultsanestheticType.totalMg + carpules * anesthetic.mgPerCarpule; } }); if (!hasValidData) { resultsDiv.innerHTML ` h3 stylemargin-bottom: 20px; color: #2c3e50;>Dosage Analysis/h3> p styletext-align: center; color: #7f8c8d; font-style: italic;>Enter patient weight and select anesthetics to see results/p> `; return; } // Second pass: calculate individual fractions and sum them Object.keys(totalResults).forEach(key > { const result totalResultskey; const anesthetic result.anesthetic; // Calculate weight-based maximum (if applicable) const weightBasedMax anesthetic.maxDose ? anesthetic.maxDose * weightInKg : null; // Determine the effective maximum (weight-based, absolute, or cartridge-based) let effectiveMax null; let limitType ; if (weightBasedMax && anesthetic.absoluteMax) { effectiveMax Math.min(weightBasedMax, anesthetic.absoluteMax); limitType weightBasedMax anesthetic.absoluteMax ? weight-based : absolute maximum; } else if (weightBasedMax) { effectiveMax weightBasedMax; limitType weight-based; } else if (anesthetic.absoluteMax) { effectiveMax anesthetic.absoluteMax; limitType absolute maximum; } // Store calculated values result.weightBasedMax weightBasedMax; result.effectiveMax effectiveMax; result.limitType limitType; result.currentDoseMgPerKg anesthetic.maxDose ? result.totalMg / weightInKg : null; result.cartridgeLimit anesthetic.maxCartridges ? result.carpules > anesthetic.maxCartridges : false; // Calculate individual fraction and add to total if (effectiveMax) { result.individualFraction result.totalMg / effectiveMax; result.individualPercentage result.individualFraction * 100; fractionalSum + result.individualFraction; } else { result.individualFraction 0; result.individualPercentage 0; } result.remainingMg effectiveMax ? Math.max(0, effectiveMax - result.totalMg) : 0; result.remainingCarpules Math.max(0, Math.floor(result.remainingMg / anesthetic.mgPerCarpule)); }); // Determine overall safety status based on combined fractional dose const combinedPercentage fractionalSum * 100; let overallStatus safe; if (fractionalSum > 1.0) { overallStatus danger; } else if (fractionalSum > 0.8) { overallStatus warning; } // Also check individual cartridge limits const hasCartridgeViolation Object.values(totalResults).some(result > result.cartridgeLimit); if (hasCartridgeViolation) { overallStatus danger; } // Generate results HTML let resultsHTML `h3 stylemargin-bottom: 20px; color: #2c3e50;>Dosage Analysis/h3>`; // Add overall safety warning at the top if (overallStatus danger) { resultsHTML + `div classdanger-text>⚠️ DANGER: Combined anesthetic dose exceeds safe limits! Do not administer additional anesthetic./div>`; } else if (overallStatus warning) { resultsHTML + `div classwarning-text>⚠️ WARNING: Combined anesthetic dose approaching maximum limits. Use extreme caution with additional anesthetic./div>`; } // Add combined fractional dose summary resultsHTML + ` div classresult-item ${overallStatus danger ? danger : overallStatus warning ? warning : }> span classresult-label>strong>COMBINED FRACTIONAL DOSE/strong>/span> span classresult-value>strong>${combinedPercentage.toFixed(1)}%/strong>/span> /div> div classresult-item ${overallStatus danger ? danger : overallStatus warning ? warning : }> span classresult-label>Fractional sum/span> span classresult-value>${fractionalSum.toFixed(3)}/1.000/span> /div> hr stylemargin: 20px 0; border: none; border-top: 2px solid #2B705C;> `; // Add individual anesthetic details Object.keys(totalResults).forEach(key > { const result totalResultskey; const anesthetic result.anesthetic; let statusClass ; if (result.individualPercentage > 100 || result.cartridgeLimit || overallStatus danger) { statusClass danger; } else if (result.individualPercentage > 80 || overallStatus warning) { statusClass warning; } resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>${anesthetic.name}/span> span classresult-value>${result.carpules} carpules (${result.totalMg}mg)/span> /div>`; if (result.currentDoseMgPerKg) { resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Current dose per kg/span> span classresult-value>${result.currentDoseMgPerKg.toFixed(2)} mg/kg/span> /div>`; } if (anesthetic.maxDose) { resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Maximum per kg/span> span classresult-value>${anesthetic.maxDose} mg/kg/span> /div>`; } if (result.effectiveMax) { resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Effective maximum (${result.limitType})/span> span classresult-value>${result.effectiveMax.toFixed(0)}mg/span> /div>`; } if (anesthetic.maxCartridges) { resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Maximum cartridges/span> span classresult-value>${anesthetic.maxCartridges} cartridges/span> /div>`; } resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Individual percentage/span> span classresult-value>${result.individualPercentage.toFixed(1)}%/span> /div> div classresult-item ${statusClass}> span classresult-label>Individual fraction/span> span classresult-value>${result.individualFraction.toFixed(3)}/span> /div>`; // Only show remaining cartridges if overall dose is safe if (overallStatus ! danger) { resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Additional cartridges possible (if no other agents)/span> span classresult-value>${result.remainingCarpules} cartridges/span> /div>`; } else { resultsHTML + ` div classresult-item ${statusClass}> span classresult-label>Additional cartridges possible/span> span classresult-value stylecolor: #e74c3c; font-weight: bold;>NONE - OVERDOSE RISK/span> /div>`; } resultsHTML + ` div classresult-item ${statusClass}> span classresult-label stylefont-size: 0.9em; font-style: italic;>Limiting factor/span> span classresult-value stylefont-size: 0.9em;>${anesthetic.limitingFactor}/span> /div> hr stylemargin: 20px 0; border: none; border-top: 1px solid #e1e8ed;> `; }); resultsDiv.innerHTML resultsHTML; } // Event listeners document.getElementById(patientWeight).addEventListener(input, calculateDosages); // Add event listeners to radio buttons function addRadioListeners() { document.querySelectorAll(inputnameweightUnit).forEach(radio > { radio.addEventListener(change, calculateDosages); }); } document.addEventListener(change, function(e) { if (e.target.classList.contains(anesthetic-select) || e.target.classList.contains(carpule-count)) { calculateDosages(); } }); // Initialize updateRemoveButtons(); addRadioListeners(); /script>/body>/html>
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