{"id":6388,"date":"2025-07-09T11:31:00","date_gmt":"2025-07-09T09:31:00","guid":{"rendered":"https:\/\/eztain.com\/?post_type=blog&#038;p=6388"},"modified":"2025-12-20T19:39:04","modified_gmt":"2025-12-20T18:39:04","slug":"types-of-retainer-wires","status":"publish","type":"blog","link":"https:\/\/eztain.com\/en\/blog\/retainers\/types-of-retainer-wires\/","title":{"rendered":"Types of Retainer Wires: 2025 Comparison (PEEK, Multi-strand, Aligners)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"-why-compare-retainer-types--\"><strong>Why Compare Retainer Types? <\/strong><\/h1>\n\n\n\n<p>Dental retainers are currently divided into two categories: <strong>fixed retainers<\/strong> and <strong>removable appliances.<\/strong><\/p>\n\n\n\n<p>For bonded retainers, the latest industry innovation is the custom-made PEEK wire. A metal-free, biocompatible, imaging-invisible, and virtually unbreakable polymer, it ensures 24\/7 stabilization.<br>Metallic alternatives \u2014 multi-strand wire in stainless steel or titanium, as well as older rigid bars \u2014 remain economical or historical, but are susceptible to wear, imaging artifacts, and an increased risk of breakage or discomfort.<\/p>\n\n\n\n<p>Regarding removable appliances, the Essix <a href=\"https:\/\/eztain.com\/en\/blog\/retainers\/orthodontic-retainer-aligner\/\">retainer tray<\/a> focuses on lightness, the Vivera extends its lifespan with three identical copies, while the Hawley retainer still allows for minor post-treatment corrections.<br>Clinical data, however, is unequivocal: in 2025, the majority of removable retainers fail in the long term because they rely entirely on patient motivation. Discover everything there is to know about fixed retainers in our <a href=\"https:\/\/eztain.com\/en\/blog\/retainers\/orthodontic-fixed-retainer-the-complete-guide\/\">complete guide dedicated to retainer wires.<\/a><br>Faced with this challenge, practitioners are turning to fixed solutions like <strong><a href=\"https:\/\/eztain.com\/en\/digital-retainer-made-of-peek\/\">PEEK<\/a><\/strong>, which are more reliable, impossible to forget, and without risk of breakage.<\/p>\n\n\n\n<div class=\"gutentoc tocactive mt-30 nostyle mb-35\" style=\"max-width:759px\"><div class=\"gutentoc-toc-wrap\"><div class=\"gutentoc-toc-title-wrap\"><div class=\"gutentoc-toc-title\">Table Of Contents<\/div><div id=\"open\" class=\"toggleone\">show<\/div><\/div><div id=\"toclist\"><div class=\"gutentoc-toc__list-wrap\"><ul class=\"gutentoc-toc__list\"><li><a href=\"#-why-compare-retainer-types--\"><strong>Why Compare Retainer Types? <\/strong><\/a><\/li><ul class=\"gutentoc-toc__list\"><li><a href=\"#-fixed-retainer-wires--\"><strong>Fixed Retainer Wires <\/strong><\/a><\/li><li><a href=\"#-removable-retainers-\"><strong>Removable Retainers<\/strong><\/a><\/li><li><a href=\"#-2025-trends-towards-zero-breakage-zero-forgotten-\"><strong>2025 Trends: Towards &#8220;Zero Breakage, Zero Forgotten&#8221;<\/strong><\/a><\/li><li><a href=\"#-what-is-the-best-dental-retainer-\"><strong>What is the Best Dental Retainer?<\/strong><\/a><\/li><li><a href=\"#-what-are-the-disadvantages-of-retainer-wires-\"><strong>What are the Disadvantages of Retainer Wires?<\/strong><\/a><\/li><li><a href=\"#-practical-faq-\"><strong>Practical FAQ<\/strong><\/a><\/li><li><a href=\"#-conclusion-\"><strong>Conclusion<\/strong><\/a><\/li><\/ul><\/ul><\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-fixed-retainer-wires--\"><strong>Fixed Retainer Wires <\/strong><\/h2>\n\n\n\n<p><strong>It was once believed that aligners would replace fixed retainers.<\/strong> Practical, discreet, and easy to produce, they seemed to tick all the boxes. However, with hindsight, the clinical reality has become quite different: according to <a href=\"https:\/\/www.ajodo.org\/article\/S0889-5406(11)00449-5\/abstract\">Pratt&#8217;s study (2010)<\/a>, nine out of ten patients stop wearing them before three years.<br><br>Today, fixed retainers are regaining their full place in stabilization protocols. Always active, invisible from the front, and most importantly, impossible to remove, they ensure retention independent of patient motivation.<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-eztain-custom-peek-retainer-wire-\"><strong>eZtain Custom PEEK Retainer Wire<\/strong><\/h3>\n\n\n\n<p>The latest arrival in the world of dental retention, <a href=\"https:\/\/eztain.com\/en\/blog\/retainers\/peek-vs-metal-retainer-wire-comparison\/\">PEEK retainer wire<\/a> (polyetheretherketone) is gradually establishing itself as the best alternative to traditional metal alloys.<\/p>\n\n\n\n<p>This space-grade material is now attracting orthodontists with its unique properties, perfectly suited for long-term retention. Machined to micron precision from a digital impression, this lingual wire integrates with surgical precision to the patient&#8217;s arch \u2014 thus eliminating the need for manual bending still common with traditional metal wires. <\/p>\n\n\n\n<p>Metal-free, it is completely biocompatible, radiolucent, and MRI-compatible \u2014 thus eliminating imaging artifacts as well as allergy problems related to Nickel present in traditional metal wires.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-multi-strand-metal-wire-\"><strong>Multi-strand Metal Wire<\/strong><\/h3>\n\n\n\n<p>Long considered <strong><em>the<\/em><\/strong><strong> standard<\/strong> in fixed retention, this twisted stainless steel wire has been used by generations of orthodontists. Flexible, adaptable, and economical, it has served for decades to keep teeth aligned after treatment. <\/p>\n\n\n\n<p>But with clinical hindsight and current requirements, its limitations are becoming <strong>increasingly apparent<\/strong>. The twisted structure more easily retains plaque and complicates hygiene. Its metallic composition, enriched with nickel, can cause allergic reactions and poses a problem during MRI examinations.<\/p>\n\n\n\n<p>Finally, it requires annual check-ups and eventually a complete replacement. At a time when orthodontists are aiming for lifelong retention that is more reliable and without constraint for the patient, this type of wire is starting to lose ground.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-the-retainer-bar--\"><strong>The Retainer Bar <\/strong><\/h3>\n\n\n\n<p>Not to be confused with a classic lingual wire: the retainer bar is a more rigid and thicker device, often used in the 90s and 2000s. It is welded or bent to be bonded only to the canines, without adhering to the central teeth. Result: the incisors can still move slightly over time.<\/p>\n\n\n\n<p>While it was long appreciated for its solidity and quick placement, it now presents several disadvantages. It interferes with the tongue, can irritate or impair speech, and remains visible when the mouth is opened wide. Like its more recent metallic equivalent, it also creates artifacts during MRI examinations.<\/p>\n\n\n\n<p>The dental retainer bar, <strong>now outdated<\/strong>, has been replaced by the multi-strand wire, which is more flexible and discreet, and then by custom PEEK: a modern solution that combines comfort, durability, and MRI compatibility \u2014 a real turning point in post-orthodontic stability.<\/p>\n\n\n\n<p><strong>Summary Table \u2014 The Different Types of Fixed Retainers<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Variant<\/strong><\/td><td><strong>Material<\/strong><\/td><td><strong>Durability*<\/strong><\/td><td><strong>Perceived Comfort<\/strong><\/td><td><strong>Hygiene (Ease)<\/strong><\/td><td><strong>MRI compatibility<\/strong><\/td><td><strong>Indicative Cost<\/strong><\/td><td><strong>Common Use 2025<\/strong><\/td><\/tr><tr><td><strong>eZtain Custom PEEK Retainer Wire<\/strong><\/td><td>High-Performance Polymer<\/td><td>Unbreakable \u2265 5 years<\/td><td>\u2605\u2605\u2605\u2605<\/td><td>\u2605\u2605\u2605<\/td><td>Yes (Radiolucent)<\/td><td>\u20ac\u20ac\u20ac<\/td><td>&#8220;Lifelong&#8221; Stabilization <\/td><\/tr><tr><td>Multi-strand Metal Wire<\/td><td>Stainless Steel<\/td><td>Breakage\/Debonding 2\u20133% per year<\/td><td>\u2605\u2605<\/td><td>\u2605\u2605<\/td><td>No (Artifacts)<\/td><td>\u20ac<\/td><td>Economical Alternative Requiring Regular Monitoring<\/td><\/tr><tr><td>Grade 5 Titanium Wire (Nickel-Free)<\/td><td>Pure Titanium<\/td><td>Approximately 10 years<\/td><td>\u2605\u2605\u2605<\/td><td>\u2605\u2605<\/td><td>Limited (Reduced Artifacts)<\/td><td>\u20ac\u20ac<\/td><td>Hypoallergenic Option<\/td><\/tr><tr><td>Retainer Bar<\/td><td>Rigid wire \u00d8 0.9 mm<\/td><td>&gt; 10 years (rarely replaced)<\/td><td>\u2605<\/td><td>\u2605\u2605<\/td><td>No (Strong Artifacts)<\/td><td>\u20ac<\/td><td>Historical Cases Only<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>*With rigorous hygiene and annual check-up visits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-removable-retainers-\"><strong>Removable Retainers<\/strong><\/h2>\n\n\n\n<p>Presented as a comfortable and modern innovation, removable retainers were long perceived as<strong> the future of post-treatment stabilization<\/strong>. They are removed for eating, brushing teeth, traveling&#8230; On paper, everything seemed simpler.<\/p>\n\n\n\n<p>But in reality, their effectiveness relies entirely on patient compliance. And on this subject, the figures speak for themselves: at two years, fewer than one in two patients still wear them three nights a week <g id=\"gid_0\">;<g id=\"gid_1\"> at three years, it&#8217;s less than 10%<\/g><\/g> (Pratt study, 2010). Too easy to forget, too dependent on motivation, they expose patients to a real risk of relapse.  <\/p>\n\n\n\n<p>However, they remain useful in certain cases, particularly for temporary retention or progressive treatment endings. But for serious, &#8220;lifelong&#8221; stabilization, orthodontists are now turning to fixed solutions, especially PEEK retainers \u2014 which are more reliable and more convenient for daily life.<\/p>\n\n\n\n<p>Nevertheless, it is still useful to know the three types of removable retainers still offered in certain particular cases.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-essix-retainer-tray-\"><strong>Essix Retainer Tray<\/strong><\/h3>\n\n\n\n<p>The Essix tray is a thin, transparent shell, made from an impression or scan of the patient&#8217;s teeth. It covers the dental arch and is generally worn at night, like a discreet mouthguard, to keep the teeth aligned after orthodontic treatment.<\/p>\n\n\n\n<p>Thin and transparent, it is generally worn at night. Its main advantage lies in its simplicity: no glue, no lingual adaptation, and inexpensive replacement when it wears out or is lost. The downside is twofold: a short lifespan (one to two years) and effectiveness intimately linked to patient discipline; as soon as the nightly routine is abandoned, teeth can migrate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-vivera-retainer-\"><strong>Vivera Retainer<\/strong><\/h3>\n\n\n\n<p>Produced in a series of three by the same chain as Invisalign aligners, the Vivera uses a polyacrylate material thicker than Essix. The manufacturer immediately provides three identical trays, extending the protection period to approximately five years when replacements are judiciously spaced. The distribution of pressure across the entire arch limits the risk of isolated micro-movements, but daily wear is required. Its cost, higher than that of an Essix, is justified by the announced longevity and manufacturing precision.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-hawley-retainer-\"><strong>Hawley Retainer<\/strong><\/h3>\n\n\n\n<p>Originating from traditional orthodontics, the Hawley retainer combines a palatal resin base and a U-shaped labial wire that conforms to the edge of the incisors. Solid and adjustable, it allows for the correction of potential micro-relapses by a simple adjustment of the wire. In contrast, its bulk sometimes interferes with phonation, makes it visible when speaking, and prompts many patients to abandon it prematurely. Its current relevance is limited to cases requiring minor occlusal adjustments that the tray could not achieve.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"-summary-table-\u2014-removable-retainers-\"><strong>Summary Table \u2014 Removable Retainers<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Variant<\/strong><\/td><td><strong>Recommended Wear<\/strong><\/td><td><strong>Average Durability<\/strong><\/td><td><strong>Measured Compliance*<\/strong><\/td><td><strong>Indicative Cost<\/strong><\/td><td><strong>Preferred Uses<\/strong><\/td><\/tr><tr><td>Essix retainer<\/td><td>Every Night<\/td><td>1\u20132 years<\/td><td>~50% at 24 months<\/td><td>\u20ac<\/td><td>Standard Stabilization with High Compliance<\/td><\/tr><tr><td>Vivera Retainer<\/td><td>Every Night<\/td><td>\u2248 5 years (3 units)<\/td><td>~55% at 24 months<\/td><td>\u20ac\u20ac\u20ac<\/td><td>Previous Aligner Treatments<\/td><\/tr><tr><td>Hawley Retainer<\/td><td>Every Night<\/td><td>5\u201310 years<\/td><td>~40% at 24 months<\/td><td>\u20ac\u20ac<\/td><td>Occlusal Adjustment, Historical Cases<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>*Compliance rate according to Pratt&#8217;s instrumental study 2010.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-2025-trends-towards-zero-breakage-zero-forgotten-\"><strong>2025 Trends: Towards &#8220;Zero Breakage, Zero Forgotten&#8221;<\/strong><\/h2>\n\n\n\n<p>The convergence of clinical data on late relapse and the advent of digital machining have profoundly altered post-treatment retention strategy. Practitioners are now seeking devices that maintain teeth without voluntary patient intervention, whether for wear compliance or repair visits. <br><br>This evolution also addresses new clinical challenges: management of nocturnal <strong>bruxism<\/strong>, long-term prevention of <strong>orthodontic relapse<\/strong>, and the search for truly passive <strong>dental stabilization<\/strong>.<br><br>In this context, the transition is accelerating: bonded <a href=\"https:\/\/eztain.com\/en\/blog\/retainers\/what-are-fixed-retainers-and-how-does-it-work\/\">retainer wires<\/a> remain the norm, but metal alloys are gradually giving way to custom PEEK, capable of offering mechanical resistance, invisibility, MRI compatibility, and total absence of nickel.<br>The result? No more emergencies for broken wires, unexpected appointments, or repeated replacements. Once placed, the retainer remains in place, without constraint, without complicated maintenance \u2014 and above all, without stress.  <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-what-is-the-best-dental-retainer-\"><strong>What is the Best Dental Retainer?<\/strong><\/h2>\n\n\n\n<p>For an adult, the most reliable solution is a <strong>custom PEEK fixed wire<\/strong>: it contains no metal, does not break, remains invisible, and does not interfere with MRI. Metal wires and aligners remain valid, but they require more repairs or wear compliance. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-what-are-the-disadvantages-of-retainer-wires-\"><strong>What are the Disadvantages of Retainer Wires?<\/strong><\/h2>\n\n\n\n<p>A wire fixed to the teeth facilitates plaque accumulation; it requires careful brushing with interdental brushes. Metallic versions can break or debond (2-3% per year), create MRI artifacts, and, when they contain nickel, cause rare skin allergies.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-practical-faq-\"><strong>Practical FAQ<\/strong><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1752052394541\"><strong class=\"schema-faq-question\"><strong>My Wire Has Debonded: What Should I Do?<br\/><\/strong><\/strong> <p class=\"schema-faq-answer\">  If one of the bonding points comes loose, protect the irritating end with a little orthodontic wax and contact your practitioner within the day; the less time the teeth have to move, the simpler and faster the repair will be.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752052404742\"><strong class=\"schema-faq-question\"><strong>Should I Avoid Certain Foods?<br\/><\/strong><\/strong> <p class=\"schema-faq-answer\">  Anything that requires very strong biting, such as ice cubes, pits, or very hard crusts, increases the risk of debonding. Cut firm foods before chewing them and avoid biting pens or nails.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752052420794\"><strong class=\"schema-faq-question\"><strong>How to Clean Around a Fixed Wire?<br\/><\/strong><\/strong> <p class=\"schema-faq-answer\">  Careful brushing with a soft brush after each meal remains the foundation. In the evening, pass an interdental brush or Superfloss under the wire to remove plaque that accumulates between the teeth and the composite; this is the best way to prevent tartar and gingivitis.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752052433238\"><strong class=\"schema-faq-question\"><strong>I Lost My Retainer Tray: Is It Urgent?<br\/><\/strong><\/strong> <p class=\"schema-faq-answer\">  If the tray is your only retainer, you have ten to fourteen days before micro-movements become perceptible. Beyond that, a new impression will be necessary to make another one, and the teeth may have already moved visibly.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752052445657\"><strong class=\"schema-faq-question\"><strong>The Fixed Wire Bothers My Tongue; Is That Normal?<br\/><\/strong><\/strong> <p class=\"schema-faq-answer\"> Slight discomfort during the first week is common; the tongue quickly adapts. However, persistent pain or localized tingling often signals the beginning of debonding: schedule an appointment for a check-up before the wire completely detaches.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"-conclusion-\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>The stabilization phase is no longer the &#8220;appendix&#8221; it was twenty years ago: it determines <strong>the longevity of a treatment<\/strong> whose time and cost are already substantial. Aligner wear statistics show that truly durable retention must be independent of patient motivation. With this in mind, fixed retainers remain essential, and the transition to high-performance polymers marks a decisive advance. The <strong>custom PEEK wire<\/strong> developed by <strong>eZtain<\/strong> combines mechanical safety, invisibility, and full compatibility with medical imaging; it thus meets current clinical requirements while freeing the practitioner from breakage emergencies.<\/p>\n\n\n\n<p>In light of these criteria, the eZtain PEEK wire today combines all the qualities of the <strong>best retainer wire<\/strong> for those aiming for long-term, maintenance-free stability.<\/p>\n\n\n\n<p>To learn more, consult our <strong><a href=\"https:\/\/eztain.com\/en\/blog\/retainers\/orthodontic-fixed-retainer-the-complete-guide\/\">complete guide to retainer wires<\/a><\/strong>, as well as our articles dedicated to placement and maintenance. <\/p>\n\n\n\n<p><em>The information in this article is provided for educational purposes; it does not replace the personalized examination and advice of a qualified orthodontist.<\/em><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>About the Author<br><br><\/summary>\n\n\n<p data-start=\"22\" data-end=\"319\"><strong>Dr. Nicolas Philippides<\/strong> is an orthodontist, graduated from the University of Strasbourg, and holds a postgraduate degree (CES) in dentofacial orthopedics. With several years of clinical practice, he has treated hundreds of patients, maintaining a constant focus on long-term stability and comfort.<\/p>\n<p data-start=\"321\" data-end=\"714\">Confronted with the limitations of conventional retainers, he founded <strong>eZtain Lab<\/strong> in 2022\u2014a project born from a simple yet recurring clinical observation: too many relapses caused by poorly adapted or fragile retainer wires. In collaboration with INSA, he developed a new generation of custom-made PEEK retainer wires, designed to be comfortable, durable, and precisely adapted to each patient.<\/p>\n<p data-start=\"716\" data-end=\"893\" data-is-last-node=\"\" data-is-only-node=\"\">Today, his research and clinical experience are driven by a single ambition: to offer reliable devices, built to last, and fully aligned with the demands of modern orthodontics.<\/p>\n<\/details>\n\n\n\n<p><script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@graph\": [\r\n    {\r\n      \"@type\": \"MedicalWebPage\",\r\n      \"url\": \"https:\/\/eztain.com\/blog\/contentions\/types-fils-de-contentions\",\r\n      \"name\": \"Types de fils de contention : comparatif 2025 (PEEK, multibrins, goutti\u00e8res)\",\r\n      \"datePublished\": \"2025-07-09\",\r\n      \"dateModified\": \"2025-07-09\",\r\n      \"publisher\": {\r\n        \"@id\": \"https:\/\/eztain.com#orga\"\r\n      },\r\n      \"author\": {\r\n        \"@id\": \"https:\/\/eztain.com#dr-nicolas-philippides\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Person\",\r\n      \"@id\": \"https:\/\/eztain.com#dr-nicolas-philippides\",\r\n      \"name\": \"Dr Nicolas Philippides\",\r\n      \"description\": \"Orthodontiste, Docteur en chirurgie dentaire (Strasbourg), CES Orthop\u00e9die Dento-Faciale, fondateur d'eZtain Lab.\",\r\n      \"image\": \"https:\/\/eztain.com\/wp-content\/uploads\/2024\/03\/dr-nicolas-philippides.png\",\r\n      \"jobTitle\": \"Orthodontist; Fondateur & CEO \u2013 eZtain Lab\",\r\n      \"medicalSpecialty\": \"Orthodontics\",\r\n      \"alumniOf\": {\r\n        \"@type\": \"CollegeOrUniversity\",\r\n        \"name\": \"Universit\u00e9 de Strasbourg\"\r\n      },\r\n      \"affiliation\": {\r\n        \"@type\": \"MedicalOrganization\",\r\n        \"name\": \"eZtain Lab\"\r\n      },\r\n      \"knowsAbout\": [\"Orthodontics\", \"Contention orthodontique\", \"Alignement dentaire\"],\r\n      \"url\": \"https:\/\/eztain.com\"\r\n    },\r\n    {\r\n      \"@type\": \"MedicalOrganization\",\r\n      \"@id\": \"https:\/\/eztain.com#orga\",\r\n      \"name\": \"eZtain Lab\",\r\n      \"url\": \"https:\/\/eztain.com\",\r\n      \"logo\": {\r\n        \"@type\": \"ImageObject\",\r\n        \"url\": \"https:\/\/eztain.com\/wp-content\/uploads\/2024\/04\/apple-touch-icon.png\"\r\n      },\r\n      \"description\": \"Laboratoire d\u2019innovation orthodontique sp\u00e9cialis\u00e9 dans les contentions en PEEK sur mesure.\",\r\n      \"founder\": {\r\n        \"@type\": \"Person\",\r\n        \"name\": \"Dr Nicolas Philippides\"\r\n      },\r\n      \"foundingDate\": \"2022\",\r\n      \"address\": {\r\n        \"@type\": \"PostalAddress\",\r\n        \"streetAddress\": \"2 Rue Schweighaeuser\",\r\n        \"postalCode\": \"67000\",\r\n        \"addressLocality\": \"Strasbourg\",\r\n        \"addressCountry\": \"FR\"\r\n      },\r\n      \"sameAs\": [\r\n        \"https:\/\/fr.linkedin.com\/company\/eztain-lab\/\",\r\n        \"https:\/\/www.instagram.com\/eztain_lab\/\"\r\n      ]\r\n    }\r\n  ]\r\n}\r\n<\/script><\/p>\n","protected":false},"featured_media":0,"template":"","blog_categories":[401],"class_list":["post-6388","blog","type-blog","status-publish","hentry","blog_categories-retainers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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