{"id":3021,"date":"2026-02-26T20:40:43","date_gmt":"2026-02-26T20:40:43","guid":{"rendered":"https:\/\/www.bestdentalhospitals.com\/blog\/denture-flange-definition-uses-and-clinical-overview\/"},"modified":"2026-02-26T20:40:43","modified_gmt":"2026-02-26T20:40:43","slug":"denture-flange-definition-uses-and-clinical-overview","status":"publish","type":"post","link":"https:\/\/www.bestdentalhospitals.com\/blog\/denture-flange-definition-uses-and-clinical-overview\/","title":{"rendered":"denture flange: Definition, Uses, and Clinical Overview"},"content":{"rendered":"\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Overview of denture flange(What it is)<\/h2>\n\n\n\n<p>A denture flange is the rim of a denture base that extends outward into the mouth\u2019s vestibule (the space between the lips\/cheeks and the gums).<br\/>\nIt forms the \u201cborder\u201d of a denture and helps the denture adapt to the surrounding soft tissues.<br\/>\nIt is commonly discussed in complete dentures and removable partial dentures.<br\/>\nIts shape and length are adjusted so the denture is stable without irritating movable tissues.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Why denture flange used (Purpose \/ benefits)<\/h2>\n\n\n\n<p>The denture flange is a core design feature that supports how a removable denture fits, feels, and functions.<\/p>\n\n\n\n<p><strong>Main problems it addresses (in general terms):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>Retention (helping the denture stay in place):<\/strong><br\/>\n  A well-extended flange can help create a border seal, especially in upper complete dentures. This seal supports \u201csuction-like\u201d retention in some cases, but the amount of retention varies by clinician and case.<\/p>\n<\/li>\n<li>\n<p><strong>Stability (reducing rocking and shifting):<\/strong><br\/>\n  By contacting the vestibular tissues in a controlled way, the flange helps resist sideways forces during chewing and speaking.<\/p>\n<\/li>\n<li>\n<p><strong>Support and load distribution:<\/strong><br\/>\n  The denture base and flange distribute biting forces over a wider area of gum tissue. This can reduce localized pressure points when the fit is appropriate.<\/p>\n<\/li>\n<li>\n<p><strong>Guidance during insertion and removal:<\/strong><br\/>\n  The flange contributes to a consistent \u201cpath of insertion,\u201d helping the denture seat in the same position each time.<\/p>\n<\/li>\n<li>\n<p><strong>Comfort and tissue protection (when correctly contoured):<\/strong><br\/>\n  Proper flange contour can avoid impinging on frena (muscle attachments) and movable tissues, reducing irritation and sore spots.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Why it matters clinically:<\/strong><br\/>\nSmall changes in flange length, thickness, and contour can affect speech, comfort, gagging tendency, sore spot risk, and how secure the denture feels. That\u2019s why border shape is often refined through impression techniques and follow-up adjustments.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Indications (When dentists use it)<\/h2>\n\n\n\n<p>Typical scenarios where denture flange design, extension, or adjustment is clinically relevant include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Complete denture fabrication (upper and\/or lower)<\/li>\n<li>Removable partial dentures with acrylic bases and flanges<\/li>\n<li>Immediate dentures placed after extractions, where tissues change during healing<\/li>\n<li>Denture relines or rebases to improve fit as the ridge changes over time<\/li>\n<li>Sore spot evaluations where border overextension is suspected<\/li>\n<li>Speech or comfort complaints linked to border thickness or contour<\/li>\n<li>Cases needing improved stability where muscle balance and border shape are key (varies by clinician and case)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Contraindications \/ when it\u2019s NOT ideal<\/h2>\n\n\n\n<p>A denture flange is not \u201coptional\u201d in most conventional dentures, but <strong>a specific flange design or extension may not be ideal<\/strong> in certain situations. Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Overextended borders<\/strong> that press into movable tissue, often leading to ulceration, soreness, or denture dislodgement during function<\/li>\n<li><strong>Prominent frena or high muscle attachments<\/strong> where standard border shapes can interfere, requiring relief or redesign<\/li>\n<li><strong>Shallow vestibules<\/strong> that limit how far the flange can extend without impingement<\/li>\n<li><strong>Significant undercuts<\/strong> where a rigid flange shape could make insertion\/removal difficult or traumatic (management varies by clinician and case)<\/li>\n<li><strong>Highly mobile or compromised mucosa<\/strong> where pressure from the flange may be poorly tolerated<\/li>\n<li><strong>Severe gag reflex or intolerance to posterior extension<\/strong> (more commonly an upper denture border issue), where border reduction may be considered while balancing retention needs<\/li>\n<li><strong>Anatomical or surgical considerations<\/strong> (for example, areas healing from surgery), where timing and design modifications may be required<\/li>\n<\/ul>\n\n\n\n<p>In these situations, clinicians may modify flange length\/contour, change impression approach, use different base materials, or consider alternate retention strategies.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">How it works (Material \/ properties)<\/h2>\n\n\n\n<p>Because a denture flange is part of a denture base\u2014not a tooth filling\u2014some properties commonly discussed for direct restorations don\u2019t apply in the same way. The closest relevant concepts are the <strong>shape accuracy, rigidity, polish, and tissue adaptation<\/strong> of the denture base material and border.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Flow and viscosity<\/h3>\n\n\n\n<p>\u201cFlow\u201d and \u201cviscosity\u201d are most relevant to <strong>impression materials<\/strong> and to <strong>denture base resins during processing<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>During impression making (including border molding), clinicians use materials with controlled flow to capture the functional depth and width of the vestibule. This records how tissues move so the flange can be shaped accordingly.<\/li>\n<li>During denture fabrication or repair, acrylic resin goes through stages (often described as sandy, stringy, doughy, and rubbery). Handling characteristics at these stages affect how well the flange form can be built, adapted, and processed. Exact behavior varies by material and manufacturer.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Filler content<\/h3>\n\n\n\n<p>\u201cFiller content\u201d is usually discussed for composite resins used in tooth restorations. A conventional denture flange is typically made from <strong>denture base acrylic (PMMA)<\/strong> or, in some designs, <strong>flexible polymers<\/strong> or <strong>acrylic combined with a metal framework<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acrylic denture base resins do not behave like highly filled restorative composites.<\/li>\n<li>Instead of filler-driven properties, denture flange performance is influenced by <strong>polymer type, processing method, porosity control, thickness, and surface finish<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Strength and wear resistance<\/h3>\n\n\n\n<p>Key performance considerations for a denture flange include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>Rigidity and fracture resistance:<\/strong><br\/>\n  The flange must be rigid enough to maintain shape but not so thin that it becomes prone to cracking. Fracture risk depends on thickness, anatomy, occlusion, processing quality, and patient factors such as clenching or grinding (bruxism).<\/p>\n<\/li>\n<li>\n<p><strong>Edge durability:<\/strong><br\/>\n  The border can be vulnerable to chipping if it is thin, if there are processing defects (like porosity), or if the denture is dropped.<\/p>\n<\/li>\n<li>\n<p><strong>Surface smoothness and polish:<\/strong><br\/>\n  A smooth, well-polished flange tends to be less plaque-retentive and may be more comfortable against soft tissues.<\/p>\n<\/li>\n<li>\n<p><strong>Dimensional stability and water sorption:<\/strong><br\/>\n  Acrylic materials can absorb small amounts of water and undergo minor dimensional changes over time. Clinical significance varies by material and case.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">denture flange Procedure overview (How it\u2019s applied)<\/h2>\n\n\n\n<p>Denture flange design is typically established during <strong>impression and denture base fabrication<\/strong>, and it may be refined through <strong>adjustments, relines, or repairs<\/strong>. The exact sequence varies by clinician and case, but a simplified workflow is below.<\/p>\n\n\n\n<p><strong>General workflow (conceptual steps):<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\n<p><strong>Isolation<\/strong><br\/>\n   The clinical field is managed to reduce saliva interference and improve visibility. For impressions and adjustments, soft tissues are evaluated in motion (smiling, speaking, cheek movement).<\/p>\n<\/li>\n<li>\n<p><strong>Etch\/bond<\/strong><br\/>\n   This step is <strong>not a standard concept for conventional denture flange fabrication<\/strong> the way it is for bonding composite to tooth enamel\/dentin.<br\/>\n   The closest equivalent is <strong>surface preparation\/conditioning<\/strong> when adding material to an existing denture (for example, roughening acrylic and using monomer or a manufacturer-specific bonding agent). The exact protocol varies by material and manufacturer.<\/p>\n<\/li>\n<li>\n<p><strong>Place<\/strong><br\/>\n   Material is placed or shaped to form the flange contour. Depending on the stage of treatment, this may involve:<\/p>\n<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Border molding to define the flange extension on the impression<\/li>\n<li>Processing acrylic in a mold to create the finished denture border<\/li>\n<li>Adding reline\/repair material to improve adaptation or restore a border<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\n<p><strong>Cure<\/strong><br\/>\n   \u201cCure\u201d may mean <strong>heat processing<\/strong>, <strong>chemical (auto) polymerization<\/strong>, or <strong>light curing<\/strong>, depending on the product system. The goal is complete polymerization with minimal distortion and porosity.<\/p>\n<\/li>\n<li>\n<p><strong>Finish\/polish<\/strong><br\/>\n   Borders are refined to remove sharp edges, ensure smooth transitions, and improve comfort. Polishing aims to create a smooth surface that is easier to clean and less irritating to tissues.<\/p>\n<\/li>\n<\/ol>\n\n\n\n<p>This overview is informational; clinical techniques and material protocols vary by clinician and case.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Types \/ variations of denture flange<\/h2>\n\n\n\n<p>\u201cdenture flange\u201d can refer to different borders depending on the arch, location, and material. Common variations include:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">By location<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>Maxillary (upper) flange:<\/strong><br\/>\n  Often designed to support a peripheral seal with the vestibule and can influence retention and comfort. Posterior border considerations (near the soft palate) are typically discussed separately but relate to overall border extension.<\/p>\n<\/li>\n<li>\n<p><strong>Mandibular (lower) flange:<\/strong><br\/>\n  Commonly more challenging because the tongue, floor of mouth, and muscle attachments can destabilize the denture. Lower flange extension must balance stability with freedom for tongue and muscle movement.<\/p>\n<\/li>\n<li>\n<p><strong>Labial flange (front, lip side)<\/strong> and <strong>buccal flange (cheek side):<\/strong><br\/>\n  Shaped to accommodate lip\/cheek movement and frena without dislodging.<\/p>\n<\/li>\n<li>\n<p><strong>Lingual flange (tongue side, lower denture):<\/strong><br\/>\n  Contoured to harmonize with tongue function and the floor of the mouth. Overextension here can cause soreness or lifting during speech and swallowing.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By extension and contour<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>High (long) vs low (short) flange extension:<\/strong><br\/>\n  Longer borders may improve seal and stability in some cases, but overextension can cause sore spots or dislodgement. The \u201cright\u201d extension is functional and patient-specific.<\/p>\n<\/li>\n<li>\n<p><strong>Thick vs thin flange profile:<\/strong><br\/>\n  Thicker borders can add strength but may feel bulky and affect speech. Thinner borders can improve comfort but may be more fragile if too thin.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">By material and fabrication approach<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>Conventional heat-cured acrylic (PMMA):<\/strong><br\/>\n  A common denture base\/flange material with good polishability and established processing methods.<\/p>\n<\/li>\n<li>\n<p><strong>Auto-polymerizing (chairside) acrylic additions:<\/strong><br\/>\n  Often used for repairs, border additions, or interim adjustments; properties can differ from heat-cured acrylic.<\/p>\n<\/li>\n<li>\n<p><strong>Injection-molded or flexible polymer dentures:<\/strong><br\/>\n  Some dentures use flexible materials for portions of the base; flange feel and adjustability differ from rigid acrylic. Performance and indications vary by material and manufacturer.<\/p>\n<\/li>\n<li>\n<p><strong>Metal framework partial dentures with acrylic flanges:<\/strong><br\/>\n  Removable partial dentures may use a metal framework for support, with acrylic and denture teeth in saddle areas that include flange borders.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<p>(Examples like \u201clow vs high filler,\u201d \u201cbulk-fill flowable,\u201d and \u201cinjectable composites\u201d are typically categories for tooth-colored filling materials rather than denture borders; denture flange materials are usually discussed in terms of acrylics, flexible polymers, and processing methods.)<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Pros and cons<\/h2>\n\n\n\n<p><strong>Pros:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Helps create a border seal that can improve perceived security in some dentures (varies by clinician and case)<\/li>\n<li>Adds stability by resisting lateral movement during function<\/li>\n<li>Distributes pressure across a broader tissue area when appropriately adapted<\/li>\n<li>Can be contoured to accommodate frena and muscle movement for comfort<\/li>\n<li>Provides structural continuity to the denture base, supporting strength<\/li>\n<li>Can be modified during adjustments, relines, or repairs when fit changes<\/li>\n<\/ul>\n\n\n\n<p><strong>Cons:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Overextension can cause sore spots, ulceration, or denture displacement during movement<\/li>\n<li>Bulky contours may affect speech, cheek\/lip comfort, or gag tolerance<\/li>\n<li>Thin borders may be more prone to chipping or cracking if dropped or stressed<\/li>\n<li>Tissue changes over time can reduce adaptation, making borders feel \u201cloose\u201d without reline\/rebase<\/li>\n<li>Requires careful finishing and polishing; rough borders can retain plaque and irritate tissues<\/li>\n<li>Complex anatomy (especially lower lingual areas) can limit ideal extension and retention<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Aftercare &amp; longevity<\/h2>\n\n\n\n<p>The longevity of a denture flange is closely tied to the longevity of the denture base and how well it continues to match changing oral tissues.<\/p>\n\n\n\n<p><strong>Factors that can affect durability and comfort over time:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>Bite forces and occlusion:<\/strong><br\/>\n  Uneven contacts can increase tipping forces and stress along borders. Clenching or grinding (bruxism) may increase fracture risk and accelerate wear.<\/p>\n<\/li>\n<li>\n<p><strong>Oral hygiene and surface cleanliness:<\/strong><br\/>\n  Plaque and calculus can accumulate on denture surfaces, including the flange. A smoother, well-polished border is generally easier to keep clean.<\/p>\n<\/li>\n<li>\n<p><strong>Fit changes from ridge remodeling:<\/strong><br\/>\n  Gum and bone contours can change after extractions and over years, altering how the flange contacts tissues. Relines or remakes may be considered when adaptation is reduced (timing varies by clinician and case).<\/p>\n<\/li>\n<li>\n<p><strong>Handling and storage:<\/strong><br\/>\n  Dropping dentures is a common cause of border fractures. Exposure to heat or inappropriate chemicals can affect some materials; recommendations vary by material and manufacturer.<\/p>\n<\/li>\n<li>\n<p><strong>Regular dental follow-up:<\/strong><br\/>\n  Periodic assessments can identify early irritation, overextension issues, or cracking before problems escalate. The appropriate recall interval varies by clinician and case.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<p>This is general information and not a personal care plan.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Alternatives \/ comparisons<\/h2>\n\n\n\n<p>A denture flange is part of the denture base design, so \u201calternatives\u201d often mean <strong>different ways to achieve retention and stability<\/strong>, or different <strong>materials\/approaches<\/strong> for the border area.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">denture flange vs implant-assisted retention<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Conventional flange-based retention:<\/strong> relies on anatomy, border seal, and neuromuscular control. Results vary by clinician and case.<\/li>\n<li><strong>Implant-assisted overdentures:<\/strong> can reduce reliance on flange seal alone by adding mechanical retention. They involve surgical and maintenance considerations that differ from conventional dentures.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">denture flange materials vs tooth-colored restorative materials<\/h3>\n\n\n\n<p>Comparisons like <strong>flowable vs packable composite<\/strong>, <strong>glass ionomer<\/strong>, and <strong>compomer<\/strong> are primarily relevant to fillings in natural teeth rather than denture borders. However, they can come up indirectly in repairs or adjustments:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acrylic denture base resins (typical for flanges):<\/strong> designed to be processed as a denture base, polished well, and repaired with compatible acrylic systems.<\/li>\n<li><strong>Composite resins (flowable\/packable):<\/strong> not standard for building denture flanges; bonding to acrylic and long-term performance depend on specific systems and surface treatment.<\/li>\n<li><strong>Glass ionomer and compomer:<\/strong> generally used for tooth restorations and are not typical materials for denture flange construction.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Border modification vs adhesives<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Border refinement (adjustment\/reline):<\/strong> aims to improve the physical fit and tissue adaptation.<\/li>\n<li><strong>Denture adhesives:<\/strong> can improve short-term feel of retention for some wearers but do not replace the role of proper flange extension and overall fit. Appropriateness varies by clinician and case.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Common questions (FAQ) of denture flange<\/h2>\n\n\n\n<p><strong>Q: Is the denture flange the same as the \u201cgum-colored part\u201d of a denture?<\/strong><br\/>\nIn many dentures, yes\u2014what people call the gum-colored acrylic includes the flange and the rest of the denture base. The flange specifically refers to the border extension into the vestibule (lip\/cheek\/tongue side edges).<\/p>\n\n\n\n<p><strong>Q: Can a denture flange cause pain or sore spots?<\/strong><br\/>\nIt can, especially if the border is overextended, sharp, or rough, or if the denture fit has changed. Discomfort is often related to how the flange contacts movable tissues during function. A clinician typically evaluates sore areas with the denture in place and during movement.<\/p>\n\n\n\n<p><strong>Q: Will adjusting the denture flange make my denture looser?<\/strong><br\/>\nIt depends on what is being adjusted and why. Reducing an overextended border can improve comfort and function, and it may actually reduce dislodgement caused by muscle interference. However, shortening borders excessively can reduce the border seal and stability; outcomes vary by clinician and case.<\/p>\n\n\n\n<p><strong>Q: How long does a denture flange last?<\/strong><br\/>\nA flange can last as long as the denture base remains intact and well-fitting. Longevity depends on factors like material type, thickness, processing quality, bite forces, and whether the denture is dropped or repeatedly stressed. Fit changes over time can make a flange feel less effective even if it is not broken.<\/p>\n\n\n\n<p><strong>Q: What is the cost to repair or adjust a denture flange?<\/strong><br\/>\nCosts vary widely by region, clinic, and whether the work is a simple chairside adjustment, a laboratory repair, or part of a reline\/rebase. The denture material and the extent of the repair also influence complexity and cost.<\/p>\n\n\n\n<p><strong>Q: Are denture flange materials safe?<\/strong><br\/>\nCommon denture base materials are widely used in dentistry, but individual sensitivity and tolerance can vary. Some people report irritation related to fit, surface roughness, or (less commonly) material sensitivity. Material selection and processing method vary by clinician and manufacturer.<\/p>\n\n\n\n<p><strong>Q: Why does my lower denture flange feel harder to \u201cget right\u201d than the upper?<\/strong><br\/>\nLower dentures often have less surface area for support and are more affected by tongue and floor-of-mouth movement. The lower lingual flange must balance extension with functional movement, which can be challenging and highly individual.<\/p>\n\n\n\n<p><strong>Q: Can a denture flange affect speech?<\/strong><br\/>\nYes. Border thickness and contour can influence how the lips, cheeks, and tongue move during speech. If the flange is bulky or interferes with muscle movement, certain sounds may feel different until adaptation occurs or adjustments are made.<\/p>\n\n\n\n<p><strong>Q: What happens if a denture flange cracks or chips?<\/strong><br\/>\nA chipped edge can feel sharp and may irritate tissues. A crack can progress and may affect overall denture strength or fit. Repair options depend on the material, the fracture pattern, and whether the denture still fits accurately\u2014details vary by clinician and case.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8212;<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-3021","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>denture flange: Definition, Uses, and Clinical Overview - Best Dental Hospitals<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bestdentalhospitals.com\/blog\/denture-flange-definition-uses-and-clinical-overview\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"denture flange: Definition, Uses, and Clinical Overview - 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