{"product":{"catalog_id":"a72c28b4-4341-48f7-8ae6-450ede67c43e","item_id":"48273761894648","title":"Upper and Lower Retainer-Night Guard set","description":"The Upper and Lower Retainer-Night Guard set by ClearRetain is a pair of custom-made, full-arch dental appliances that combine the functions of a retainer and a night guard, with one tray for each arch. It is used to keep teeth in their corrected position while protecting against nighttime grinding and clenching, and is suitable for people who currently wear both a retainer and a night guard. The set is made from BPA- and phthalate-free orthodontic-grade material, is fabricated in the USA from dental impressions, is HSA/FSA eligible, and includes a 120-day guarantee; user reviews report average durability of 1–2 years, though fit can depend on the quality of the upper impression.","url":"https://clearretain.com/products/lower-retainer-night-guard-for-heavy-grinding-copy","brand":"ClearRetain","condition":"new","product_category":"Uncategorized","material":"BPA and phthalate-free orthodontic grade materials","weight":"7 oz","item_weight_unit":"oz","age_group":"adult","image_url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/UpdatedImagesforNewproduct.png?v=1776989329","additional_image_urls":["https://cdn.shopify.com/s/files/1/0052/8046/4985/files/Updated_Images_for_New_product_1.png?v=1776989346"],"images":[{"id":"img-1788213869661-0","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/UpdatedImagesforNewproduct.png?v=1776989329","width":1500,"height":1500,"alt_text":"Upper and Lower Retainer-Night Guard set product image (primary)","position":1,"attributes":{"other":{"summary":"Top-front perspective shot on a plain white background with soft, even studio lighting and subtle soft shadows; 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These must be removed before taking an impression. If you have a bonded permanent retainer, please contact us before ordering. Our appliances are custom-made to prevent your teeth from shifting. If you have loose fillings, crowns, veneers, bridges, or significant tooth decay, wearing an oral appliance may exacerbate an existing issue. If you have any concerns, give us a call at 801-610-1358.","review_count":6,"star_rating":4.3,"target_countries":"US","canonical_url":"https://clearretain.com/products/lower-retainer-night-guard-for-heavy-grinding-copy","reddit_insights":{"match":{"notes":"The provided threads contain explicit mentions of 'Clear Retain', 'Clearretain', and 'clear retain' in r/orthodontics, discussing the brand's retainers, ordering process, durability, and customer service. 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You have to email a picture of the impressions before mailing them so they can verify that the impressions will work.","subreddit":"orthodontics"}]},"generated_at":"2026-04-26T00:00:00Z","conversation_summary":{"gotchas":[{"gotcha":"Upper retainer impressions may be rejected if teeth are distorted or peg-shaped, and the refund process is difficult.","severity":"medium"},{"gotcha":"Email responses for impression approval can take about a week, and some users report refund refusals.","severity":"medium"},{"gotcha":"Saliva can sit in the retainer at night, potentially increasing cavity risk for some users.","severity":"low"}],"one_liner":"Reddit users have mixed experiences with Clear Retain, praising its affordability and ease of ordering but noting concerns about upper retainer fit, delayed support, and refund practices.","sentiment":{"label":"mixed","score":0.1,"explanation":"Positive comments highlight good durability (some lasting 1-2 years), comfort, and helpful customer service; negative comments cite difficulty with upper impressions, delayed email replies, refund refusals, and review suppression."},"use_cases":[{"evidence":["r_e_5"],"use_case":"Replacement retainers after losing orthodontist-provided sets"},{"evidence":["r_e_5"],"use_case":"Nightly wear to maintain teeth alignment"}],"top_themes":[{"theme":"Ordering process and impressions","stance":"mixed","evidence":["r_e_5"]},{"theme":"Durability and longevity","stance":"mixed","evidence":["r_e_5"]},{"theme":"Customer service and support","stance":"mixed","evidence":["r_e_5"]},{"theme":"Upper vs lower retainer fit","stance":"negative","evidence":["r_e_5"]}],"comparisons":[{"summary":"Mixed comparisons: one user chose Sporting Smiles for its reviews and phone support, while another said their Sporting Smiles retainer broke quickly and praised Clear Retain's customer service.","evidence":["r_e_5"],"compared_to":"Sporting Smiles"},{"summary":"One user says Clear Retain retainers are just as good as the original pair from their orthodontist.","evidence":["r_e_5"],"compared_to":"Original orthodontist retainers"}],"common_questions":[{"evidence":["r_e_5"],"question":"How long do Clear Retain retainers last?","short_answer":"Users report at least a year before cracking for the cheaper option, and some have used them for up to 2 years."},{"evidence":["r_e_5"],"question":"Do I need to take my own impressions?","short_answer":"Yes, Clear Retain sends an impression kit; 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delivery runs 3–4 weeks after impressions are mailed.","key":"Replacement timing","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://grindmyteeth.com/how-long-does-a-night-guard-last/","https://www.newsmilelife.com/blogs/blogs/newsmile-vs-clearretain-custom-retainer-comparison-usa-2026","https://www.reddit.com/r/orthodontics/comments/1aeg1bi/clear_retain/l381owp/"]}},{"value":"The $35 duplicate set is a ready swap-in if the primary is lost or broken.","key":"Backup set","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://clearretain.com/products/upper-and-lower-retainer-night-guard-set-copy","https://grindmyteeth.com/how-long-does-a-night-guard-last/"]}},{"value":"Grinders typically replace clear retainers every 3–6 months; the two-arch set doubles the wear surface.","key":"Replacement lifespan","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://jawology.com/blogs/retainers/how-long-do-retainers-last","https://tmjmouthguard.com/night-guard-cost-guide-2026-custom-dentist-boil-and-bite-compared/","https://clearretain.com/products/lower-retainer-night-guard-for-heavy-grinding-copy"]}},{"value":"Normal-use cracks are replaced free using the stored impression or digital file.","key":"Warranty replacement","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Hold the impression a full 5 minutes; keep 2–3 mm front clearance on the upper tray.","key":"Impression taking","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://clearretain.com/blogs/blog/home-dental-impressions","https://clearretain.com/pages/instructions","https://www.reddit.com/r/orthodontics/comments/1aeg1bi/clear_retain/l381owp/"]}},{"value":"Some wearers report saliva pooling overnight that may raise cavity risk.","key":"Saliva pooling","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://www.reddit.com/r/orthodontics/comments/1aeg1bi/clear_retain/l381owp/"]}},{"value":"New guards feel tight for a couple of days; the snugness eases with nightly wear, not a misfit.","key":"Break-in","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://sentinelmouthguards.com/products/hard-night-guard","https://clearretain.com/blogs/blog/what-is-a-guard-retainer-combo-appliance"]}},{"value":"If snugness persists after a few days, a new impression and a remake fix it — not at-home reshaping.","key":"Misfit remedy","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://clearretain.com/blogs/blog/home-dental-impressions"]}},{"value":"Fit is set by the home impression: largest tray, full hold time, and 2-3 mm upper front clearance.","key":"Impression accuracy","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://clearretain.com/pages/instructions","https://www.reddit.com/r/orthodontics/comments/1aeg1bi/clear_retain/l381owp/","https://clearretain.com/blogs/blog/home-dental-impressions","https://www.newsmilelife.com/blogs/blogs/newsmile-vs-clearretain-custom-retainer-comparison-usa-2026"]}},{"value":"Buyers report upper-arch molds as the main fit-failure point; 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