{"product":{"catalog_id":"90155b8a-4863-487b-b54f-01372f167075","item_id":"30286829060192","gtin":"850017166073","mpn":"UPPER-HARD-NIGHT-GUARD","title":"Hard Night Guard","description":"Hard Night Guard is a custom dental night guard made from a single 2mm clear hard laminate layer, available for either the upper or lower teeth. It is designed for heavy teeth grinding and clenching to help relieve jaw and tooth pain, and also serves as a durable retainer. The guard is BPA- and phthalate-free, and each unit is custom-fabricated from dental impressions in a dental lab with experienced technicians.","url":"https://clearretain.com/products/hard-night-guard","brand":"ClearRetain","condition":"new","product_category":"Uncategorized","weight":"5 oz","item_weight_unit":"oz","age_group":"adult","image_url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard2.png?v=1762525883","additional_image_urls":["https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard1.png?v=1695534464","https://cdn.shopify.com/s/files/1/0052/8046/4985/files/Upperx2-2.jpg?v=1730249580","https://cdn.shopify.com/s/files/1/0052/8046/4985/files/Lowerx2-2.jpg?v=1730249590"],"images":[{"id":"img-1788214294932-0","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard2.png?v=1762525883","width":1500,"height":1500,"alt_text":"Hard Night Guard product image (primary)","position":1,"attributes":{"other":{"summary":"Studio-style product shot on a white background photographed from an elevated oblique angle with soft shadows beneath the case.","observations":[{"key":"Background","kind":"feature","value":"Even white background with no visible texture or props.","regions":[],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Soft diffuse lighting producing subtle soft shadow below and slightly left of the case and mild specular highlights on the guard and case.","regions":[],"evidence_status":"direct"},{"key":"Shot composition","kind":"feature","value":"Close-up framing that crops away most surrounding space, centering the guard and top half of the case toward the upper-right of the image.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"clear translucent","part":"night guard","regions":[{"x":0.34,"y":0.2,"width":0.48,"height":0.36,"confidence":"high"}],"subject":"product","description":"Translucent clear/plastic appearance with bright glossy highlights and slight blue tint from reflected case color; appears mostly colorless but light-scattering gives a pale bluish cast.","sampled_hex":"#BCCBE3","estimated_hex":"#EAF6FF"},{"name":"royal blue","part":"storage case exterior","regions":[{"x":0.18,"y":0.42,"width":0.64,"height":0.4,"confidence":"high"},{"x":0.3,"y":0.7,"width":0.4,"height":0.18,"confidence":"medium"}],"subject":"packaging","description":"Opaque bright glossy blue plastic covering the lid and base of the case.","sampled_hex":"#0072E4","estimated_hex":"#0072E6"}],"product":{"summary":"A clear, rigid dental night guard (upper-arch) is shown resting on a blue plastic storage case; the guard is translucent and shaped to fit over an upper row of teeth with individual tooth impressions visible.","observations":[{"key":"Overall shape","kind":"feature","value":"Single-piece clear dental tray shaped to fit an upper dental arch with a U-shaped curvature and scalloped occlusal edge matching individual tooth impressions.","regions":[{"x":0.3,"y":0.16,"width":0.56,"height":0.44,"confidence":"high"}],"evidence_status":"direct"},{"key":"Material appearance","kind":"feature","value":"Translucent rigid plastic with glossy surface highlights and internal texture where tooth impressions are present; light passes through producing bright specular highlights.","regions":[{"x":0.34,"y":0.2,"width":0.48,"height":0.36,"confidence":"high"}],"evidence_status":"direct"},{"key":"Tooth-detail","kind":"feature","value":"Individual tooth indentations and interproximal contours are visible along the front-facing outer rim of the tray, showing the molded negative shapes of teeth.","regions":[{"x":0.34,"y":0.28,"width":0.44,"height":0.28,"confidence":"high"}],"evidence_status":"direct"},{"key":"Orientation","kind":"feature","value":"Product is presented from a slightly elevated front-right oblique angle, showing the outer surface and occlusal trough of the guard.","regions":[],"evidence_status":"direct"}]},"packaging":{"summary":"A hard plastic blue oval storage case is visible beneath the guard; the case has a hinged lid and rounded edges with a small latch feature on the front.","observations":[{"key":"Case shape","kind":"feature","value":"Rounded rectangular oval plastic case with a domed lid that the guard rests on.","regions":[{"x":0.16,"y":0.4,"width":0.68,"height":0.44,"confidence":"high"}],"evidence_status":"direct"},{"key":"Case color and finish","kind":"feature","value":"Opaque bright blue glossy plastic with uniform color and visible highlights.","regions":[{"x":0.2,"y":0.42,"width":0.6,"height":0.4,"confidence":"high"}],"evidence_status":"direct"},{"key":"Latch detail","kind":"feature","value":"Small molded front latch or snap on the case rim visible near the lower-right front edge of the case.","regions":[{"x":0.64,"y":0.64,"width":0.12,"height":0.12,"confidence":"medium"}],"evidence_status":"direct"}]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["30286829060192","45877233615096","30286829092960","45877233647864"]},{"id":"img-1788214294932-1","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard1.png?v=1695534464","width":1500,"height":1500,"alt_text":"Hard Night Guard product image 2","position":2,"attributes":{"other":{"summary":"Studio-style product shot on a white background with soft shadowing; oblique top-front camera angle shows the tray resting on the closed case.","observations":[{"key":"Shot composition","kind":"feature","value":"Oblique top-front perspective showing product centered slightly above and to the right of image center.","regions":[],"evidence_status":"direct"},{"key":"Background and surface","kind":"feature","value":"Even white background and surface with a soft shadow beneath the case toward the lower-left, indicating diffuse studio lighting.","regions":[{"x":0.08,"y":0.66,"width":0.3,"height":0.22,"confidence":"medium"}],"evidence_status":"direct"},{"key":"Lighting","kind":"feature","value":"Diffuse, even lighting with visible specular highlights on both the clear tray and the glossy case; no harsh color casts.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"translucent clear","part":"tray","regions":[{"x":0.42,"y":0.12,"width":0.48,"height":0.38,"confidence":"high"}],"subject":"product","description":"Translucent clear thermoplastic with slight cool-blue reflections from surroundings; appears glossy and nearly colorless.","sampled_hex":"#006EC4"},{"name":"bright cobalt blue","part":"case exterior","regions":[{"x":0.18,"y":0.34,"width":0.64,"height":0.48,"confidence":"high"},{"x":0.63,"y":0.73,"width":0.22,"height":0.12,"confidence":"medium"}],"subject":"packaging","description":"Bright glossy solid blue plastic on lid and base with uniform finish and specular highlights.","sampled_hex":"#0064C3","estimated_hex":"#0B66D6"}],"product":{"summary":"A translucent, U-shaped dental night guard with molded tooth impressions sits on top of a hard plastic case; surface shows clear glossy thermoplastic with detailed individual tooth cavities.","observations":[{"key":"Overall shape","kind":"feature","value":"U-shaped dental tray with continuous rim following tooth arches and an open posterior midline; tray shows individual tooth-shaped cavities on the interior surface.","regions":[{"x":0.4,"y":0.1,"width":0.52,"height":0.38,"confidence":"high"}],"evidence_status":"direct"},{"key":"Material and finish","kind":"feature","value":"Clear, glossy thermoplastic material that is highly translucent and reflective, showing specular highlights and internal texture from tooth impressions.","regions":[{"x":0.42,"y":0.12,"width":0.48,"height":0.32,"confidence":"high"}],"evidence_status":"direct"},{"key":"Tooth detail","kind":"feature","value":"Raised and recessed tooth anatomy visible for each tooth position including cusps and grooves; anterior and posterior teeth impressions are distinguishable.","regions":[{"x":0.46,"y":0.12,"width":0.37,"height":0.28,"confidence":"high"}],"evidence_status":"direct"},{"key":"Edge profile","kind":"feature","value":"Thin rounded vestibular edge around the tray visible where it meets the case; edge appears slightly thicker at the posterior ends.","regions":[{"x":0.48,"y":0.18,"width":0.32,"height":0.2,"confidence":"medium"}],"evidence_status":"direct"}]},"packaging":{"summary":"Hard oval blue plastic carrying case with hinged lid and front snap closure; product is placed on top of the closed case.","observations":[{"key":"Case form","kind":"feature","value":"Oval-to-rounded rectangular rigid plastic case with a slightly domed lid and a base, shown closed.","regions":[{"x":0.18,"y":0.34,"width":0.64,"height":0.48,"confidence":"high"}],"evidence_status":"direct"},{"key":"Closure detail","kind":"feature","value":"Front snap-hinge closure visible at the lower-right front edge of the case consisting of a small rounded tab and matching catch.","regions":[{"x":0.63,"y":0.73,"width":0.22,"height":0.12,"confidence":"medium"}],"evidence_status":"direct"},{"key":"Surface finish","kind":"feature","value":"Smooth glossy plastic surface with specular highlights and faint reflections of the clear tray.","regions":[{"x":0.25,"y":0.36,"width":0.5,"height":0.34,"confidence":"high"}],"evidence_status":"direct"}]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["30286829060192","45877233615096","30286829092960","45877233647864"]},{"id":"img-1788214294932-2","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/Upperx2-2.jpg?v=1730249580","width":1500,"height":1500,"alt_text":"Hard Night Guard product image 3","position":3,"attributes":{"other":{"summary":"Studio-style product shot on a clean white background with soft shadows; two identical product+case groupings arranged diagonally from top-right to bottom-left.","observations":[{"key":"Shot composition","kind":"feature","value":"Two duplicated product assemblies arranged diagonally; top-right assembly is fully visible and bottom-left assembly is partially cropped by the image edge.","regions":[],"evidence_status":"direct"},{"key":"Background and surface","kind":"feature","value":"Plain white background with soft diffuse shadows beneath each case indicating overhead directional lighting.","regions":[{"x":0.55,"y":0.28,"width":0.36,"height":0.2,"confidence":"high"},{"x":0.05,"y":0.7,"width":0.44,"height":0.16,"confidence":"high"}],"evidence_status":"direct"},{"key":"Lighting and reflections","kind":"feature","value":"Even, soft studio lighting producing gentle highlights on glossy surfaces and subtle cast shadows; reflections on the clear guards emphasize transparency.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"very pale cyan transparent","part":"clear guard","regions":[{"x":0.67,"y":0.04,"width":0.22,"height":0.18,"confidence":"high"},{"x":0.09,"y":0.5,"width":0.35,"height":0.22,"confidence":"high"}],"subject":"product","description":"Transparent plastic appearance with glossy highlights and a very pale cool tint from reflections.","estimated_hex":"#EAF8FF"},{"name":"bright royal blue","part":"storage case","regions":[{"x":0.58,"y":0.07,"width":0.36,"height":0.3,"confidence":"high"},{"x":0.03,"y":0.45,"width":0.47,"height":0.31,"confidence":"high"}],"subject":"packaging","description":"Opaque glossy bright royal blue plastic used on the case body and lid.","sampled_hex":"#0165D2","estimated_hex":"#0066D6"}],"product":{"summary":"Two clear, U-shaped dental night guards (upper-arch form) are shown resting on blue plastic storage cases. Guards are transparent, glossy, and show individual tooth impression details along the arch.","observations":[{"key":"Overall shape","kind":"feature","value":"U-shaped removable dental tray following an upper dental arch with a continuous skirt around the outer edge.","regions":[{"x":0.62,"y":0.03,"width":0.3,"height":0.27,"confidence":"high"},{"x":0.05,"y":0.47,"width":0.44,"height":0.3,"confidence":"high"}],"evidence_status":"direct"},{"key":"Surface texture and finish","kind":"feature","value":"Transparent glossy plastic with visible internal highlights and reflections indicating a smooth, polished surface.","regions":[{"x":0.66,"y":0.04,"width":0.22,"height":0.18,"confidence":"high"},{"x":0.09,"y":0.5,"width":0.35,"height":0.22,"confidence":"high"}],"evidence_status":"direct"},{"key":"Tooth impression detail","kind":"feature","value":"Individual tooth-shaped recesses along the inner arch are clearly molded and visible as a row of rounded indentations corresponding to teeth.","regions":[{"x":0.67,"y":0.08,"width":0.2,"height":0.18,"confidence":"high"},{"x":0.12,"y":0.53,"width":0.32,"height":0.2,"confidence":"high"}],"evidence_status":"direct"},{"key":"Wall/thickness","kind":"feature","value":"Thin single-wall construction visible at the arch edges, appearing uniformly narrow around the tray.","regions":[{"x":0.7,"y":0.05,"width":0.12,"height":0.16,"confidence":"high"},{"x":0.15,"y":0.56,"width":0.22,"height":0.12,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"summary":"Two bright blue hard plastic storage cases with rounded rectangular top profiles, shallow hinged lids, and front snap-latch features. Each night guard rests on the closed lid of a case.","observations":[{"key":"Case shape","kind":"feature","value":"Rounded-rectangle compact case with a domed top and flat bottom; each case appears roughly the same size as the guard placed on it.","regions":[{"x":0.58,"y":0.07,"width":0.36,"height":0.3,"confidence":"high"},{"x":0.03,"y":0.45,"width":0.47,"height":0.31,"confidence":"high"}],"evidence_status":"direct"},{"key":"Closure detail","kind":"feature","value":"Front edge shows a small molded snap-latch and hinge seam where the lid meets the base.","regions":[{"x":0.83,"y":0.28,"width":0.09,"height":0.07,"confidence":"high"},{"x":0.28,"y":0.69,"width":0.18,"height":0.06,"confidence":"high"}],"evidence_status":"direct"},{"key":"Material finish","kind":"feature","value":"Opaque glossy injection-molded plastic with specular highlights and smooth edges.","regions":[{"x":0.6,"y":0.12,"width":0.3,"height":0.18,"confidence":"high"},{"x":0.05,"y":0.5,"width":0.42,"height":0.26,"confidence":"high"}],"evidence_status":"direct"}]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["30286829060192","45877233615096","30286829092960","45877233647864"]},{"id":"img-1788214294932-3","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/Lowerx2-2.jpg?v=1730249590","width":1500,"height":1500,"alt_text":"Hard Night Guard product image 4","position":4,"attributes":{"other":{"summary":"Studio-style shot on a bright white background with soft shadows; two product+case sets are diagonally arranged and the image is cropped so parts of the lower-left and upper-right sets extend toward the edges.","observations":[{"key":"Shot composition","kind":"feature","value":"Two identical product arrangements placed diagonally from lower-left to upper-right, creating a repeating pattern; top-right arrangement is nearer the top edge.","regions":[],"evidence_status":"direct"},{"key":"Background and surface","kind":"feature","value":"Neutral white background with soft, faint gray drop shadows beneath each case indicating a light source from above.","regions":[],"evidence_status":"direct"},{"key":"Lighting","kind":"feature","value":"Even studio lighting producing soft highlights on the glossy plastic and clear guard surfaces, with no harsh directional glare.","regions":[],"evidence_status":"direct"},{"key":"Image crop and framing","kind":"feature","value":"Both product sets are partially cropped by the frame edges so the lower-left case is truncated at the bottom and the top-right case is close to the image top edge.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"transparent clear","part":"guard","regions":[{"x":0.6,"y":0.08,"width":0.32,"height":0.2,"confidence":"high"},{"x":0.07,"y":0.5,"width":0.36,"height":0.22,"confidence":"high"}],"subject":"product","description":"Translucent clear plastic with glossy highlights; appears nearly colorless but shows slight cool blue reflections from the case and lighting.","estimated_hex":"#EAF8FF"},{"name":"bright blue","part":"case exterior","regions":[{"x":0.55,"y":0.08,"width":0.4,"height":0.38,"confidence":"high"},{"x":0.02,"y":0.45,"width":0.45,"height":0.34,"confidence":"high"}],"subject":"packaging","description":"Glossy bright medium blue plastic on both lids and bases; uniform solid color across visible surfaces.","sampled_hex":"#016ECA","estimated_hex":"#0A66E6"}],"product":{"summary":"Two clear, molded dental night guards (transparent U-shaped arches) are shown resting on two blue rounded plastic storage cases; tooth anatomy and individual tooth impression details are visible on each guard.","observations":[{"key":"Overall shape","kind":"feature","value":"Each guard is a U-shaped dental tray that follows a single dental arch with individual tooth-shaped cavities along its length.","regions":[{"x":0.58,"y":0.07,"width":0.36,"height":0.28,"confidence":"high"},{"x":0.03,"y":0.47,"width":0.46,"height":0.3,"confidence":"high"}],"evidence_status":"direct"},{"key":"Material and finish","kind":"feature","value":"Guards appear transparent and rigid with a glossy surface that reflects highlights; internal tooth impression relief is visible through the material.","regions":[{"x":0.58,"y":0.07,"width":0.36,"height":0.28,"confidence":"high"},{"x":0.03,"y":0.47,"width":0.46,"height":0.3,"confidence":"high"}],"evidence_status":"direct"},{"key":"Tooth impression detail","kind":"feature","value":"Raised cusp and fissure shapes and individual tooth boundaries are visible along the occlusal surfaces and buccal edges of each guard.","regions":[{"x":0.66,"y":0.09,"width":0.22,"height":0.18,"confidence":"high"},{"x":0.1,"y":0.52,"width":0.3,"height":0.22,"confidence":"high"}],"evidence_status":"direct"},{"key":"Orientation shown","kind":"feature","value":"Both guards are shown from an overhead angled view, exposing the occlusal (biting) surfaces and the outside buccal curve of the arch.","regions":[],"evidence_status":"direct"}]},"packaging":{"summary":"Two bright blue rounded rectangular plastic storage cases are visible; each guard rests on the lid. One case shows a visible front hinge/closure detail.","observations":[{"key":"Container shape","kind":"feature","value":"Cases are rounded-corner rectangular plastic boxes with domed lids and flat bases; lids are slightly raised where the guard sits.","regions":[{"x":0.55,"y":0.08,"width":0.4,"height":0.38,"confidence":"high"},{"x":0.02,"y":0.45,"width":0.45,"height":0.34,"confidence":"high"}],"evidence_status":"direct"},{"key":"Closure detail","kind":"feature","value":"A small molded hinge/clip is visible on the front edge of the upper-right case where lid meets base.","regions":[{"x":0.8,"y":0.36,"width":0.14,"height":0.1,"confidence":"high"}],"evidence_status":"direct"},{"key":"Surface finish","kind":"feature","value":"Case surfaces are glossy plastic with specular highlights and subtle molded seam lines around the lid.","regions":[{"x":0.55,"y":0.08,"width":0.4,"height":0.38,"confidence":"high"}],"evidence_status":"direct"}]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["30286829060192","45877233615096","30286829092960","45877233647864"]}],"price":"159 USD","sale_price":"99 USD","availability":"in_stock","group_id":"1903861530720","listing_has_variations":"true","variants":[{"sku":"UPPER-HARD-NIGHT-GUARD","url":"https://clearretain.com/products/hard-night-guard?variant=30286829060192","image":{"id":"img-variant-30286829060192","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard2.png?v=1762525883","width":1500,"height":1500,"alt_text":"Hard Night Guard variant image","position":1,"variant_ids":["30286829060192"]},"price":{"value":159,"currency":"USD"},"title":"Hard Night Guard","option1":"Default","sale_price":{"value":99,"currency":"USD"},"variant_id":"30286829060192","availability":"in_stock"},{"sku":"4587723361","url":"https://clearretain.com/products/hard-night-guard?variant=45877233615096","image":{"id":"img-variant-45877233615096","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard2.png?v=1762525883","width":1500,"height":1500,"alt_text":"Hard Night Guard variant image","position":2,"variant_ids":["45877233615096"]},"price":{"value":249,"currency":"USD"},"title":"Hard Night Guard","option1":"Default","sale_price":{"value":124,"currency":"USD"},"variant_id":"45877233615096","availability":"in_stock"},{"sku":"LOWER-HARD-NIGHT-GUARD","url":"https://clearretain.com/products/hard-night-guard?variant=30286829092960","image":{"id":"img-variant-30286829092960","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard2.png?v=1762525883","width":1500,"height":1500,"alt_text":"Hard Night Guard variant image","position":3,"variant_ids":["30286829092960"]},"price":{"value":159,"currency":"USD"},"title":"Hard Night Guard","option1":"Default","sale_price":{"value":99,"currency":"USD"},"variant_id":"30286829092960","availability":"in_stock"},{"sku":"4587723364","url":"https://clearretain.com/products/hard-night-guard?variant=45877233647864","image":{"id":"img-variant-45877233647864","url":"https://cdn.shopify.com/s/files/1/0052/8046/4985/files/HardNightGuard2.png?v=1762525883","width":1500,"height":1500,"alt_text":"Hard Night Guard variant image","position":4,"variant_ids":["45877233647864"]},"price":{"value":249,"currency":"USD"},"title":"Hard Night Guard","option1":"Default","sale_price":{"value":124,"currency":"USD"},"variant_id":"45877233647864","availability":"in_stock"}],"item_group_title":"Hard Night Guard","gender":"unisex","is_digital":"false","review_count":181,"star_rating":4.7,"target_countries":"US","canonical_url":"https://clearretain.com/products/hard-night-guard","product_insights":[{"title":"Verified claims","type":"key_value","items":[{"value":"A precise at-home impression needs a dry-fitted tray, a 30-second putty mix, and a full three-minute set.","key":"Impression accuracy","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://alignerco.com/blogs/treatment/common-retainer-impression-mistakes","https://nyxweive.com/how-to-take-dental-impression-at-home-the-key-to-perfect-fitting-night-guard/","https://manchesterdentists.org.uk/4-things-to-avoid-while-taking-dental-impressions-at-home/","https://health.clevelandclinic.org/should-you-use-a-dental-mouthguard-for-your-jaw-pain"]}},{"value":"Remove brackets and cement before molding; loose fillings, crowns, or decay can worsen under the guard.","key":"Dental work","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"At $99 it undercuts $300–$800 dentist labs and matches DTC rival prices.","key":"Value","provenance":{"productData":true,"reviews":false,"qna":true,"urls":["https://clearretain.com/products/hard-night-guard","https://getcheeky.com/blogs/cheekys-blog/cheeky-vs-remi-vs-clear-club-vs-sentinel-night-guard-comparison","https://tmjmouthguard.com/night-guard-cost-guide-2026-custom-dentist-boil-and-bite-compared/","https://encoreguards.com/blogs/bruxism-guide/a-hard-vs-soft-custom-night-guard"]}},{"value":"Doubles as a nightly retainer, so no separate retainer is stacked under it.","key":"Retainer function","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://hcmcdental.com/best-retainer-for-teeth-grinding/","https://clearretain.com/products/hard-night-guard","https://hcmcdental.com/occlusal-splint-vs-night-guard-difference/"]}},{"value":"Grinding wears the guard, not enamel, on the rigid smooth plane.","key":"Protection mechanism","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://hcmcdental.com/hard-vs-soft-night-guard/","https://hcmcdental.com/occlusal-splint-vs-night-guard-difference/","https://health.clevelandclinic.org/should-you-use-a-dental-mouthguard-for-your-jaw-pain","https://tmjmouthguard.com/mouth-guards-for-clenching-complete-guide-for-day-night-and-both/"]}},{"value":"Hard guards beat soft for heavy grinding: less morning ache and wear, though grinding episodes continue.","key":"Bruxism response","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://www.ncbi.nlm.nih.gov/books/NBK482466/"]}},{"value":"Molded from your own dental impressions, keeping the bite balanced for the guard to protect.","key":"Fit","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://health.clevelandclinic.org/should-you-use-a-dental-mouthguard-for-your-jaw-pain","https://clearretain.com/products/hard-night-guard","https://alignerco.com/blogs/treatment/common-retainer-impression-mistakes","https://manchesterdentists.org.uk/4-things-to-avoid-while-taking-dental-impressions-at-home/"]}},{"value":"2mm hard laminate, BPA- and phthalate-free, lab-formed from dental-grade plastic.","key":"Material","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://sentinelmouthguards.com/blogs/mouthcare/bpa-free-dental-night-guards","https://clearretain.com/products/hard-night-guard","https://www.meetdandy.com/learning-center/articles/night-guard-materials-and-best-use-cases/","https://isddentallab.com/night-guard-material-acrylic-bpa-best-uses/"]}},{"value":"Nighttime guard that doubles as an extra-durable retainer; not for all-day wear.","key":"Dual use","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Hard night guards last 3–5+ years with proper care, versus 6 months–2 years for soft","key":"Lifespan","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://encoreguards.com/blogs/bruxism-guide/a-hard-vs-soft-custom-night-guard"]}},{"value":"Hard 2mm guard lasts 3–5+ years and shifts grinding wear from enamel to the guard.","key":"Grinding protection","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://hcmcdental.com/hard-vs-soft-night-guard/","https://tmjmouthguard.com/mouth-guards-for-clenching-complete-guide-for-day-night-and-both/","https://www.ncbi.nlm.nih.gov/books/NBK482466/","https://hcmcdental.com/occlusal-splint-vs-night-guard-difference/"]}},{"value":"For heavy grinding either arch protects; most clinicians default to the upper arch.","key":"Arch choice","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Offered in four variants, upper or lower; both protect equally once custom-fit, and most clinicians default to the upper.","key":"Arch selection","provenance":{"productData":true,"reviews":false,"qna":true,"urls":[]}},{"value":"The upper stays put via palatal coverage; the lower is less bulky but relies on tooth undercuts.","key":"Retention and comfort","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Adaptation takes 1-2 weeks on the upper arch and 1-3 on the lower, with mild lisp and saliva.","key":"Adjustment period","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://clearretain.com/products/hard-night-guard","https://alignerco.com/blogs/treatment/common-retainer-impression-mistakes"]}},{"value":"2mm is standard hybrid-guard thickness; the 1.02mm Premium variant is thinner.","key":"Thickness","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://clearretain.com/products/premium-hard-night-guard","https://hcmcdental.com/hard-vs-soft-night-guard/","https://hcmcdental.com/best-retainer-for-teeth-grinding/"]}},{"value":"Wear only at night; hard surface adds no clenching, and clean with mild soap and air-dry.","key":"Wear and care","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://hcmcdental.com/best-retainer-for-teeth-grinding/","https://www.ncbi.nlm.nih.gov/books/NBK482466/","https://tmjmouthguard.com/mouth-guards-for-clenching-complete-guide-for-day-night-and-both/"]}},{"value":"Loose fillings, crowns, veneers, bridges or decay can be aggravated; get a dentist check first.","key":"Restoration risk","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Brackets, buttons, gems or leftover cement must be removed before impressions; bonded permanent retainers are compatible.","key":"Orthodontic hardware","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"For nighttime grinding only; all-day wear can shift the bite, so dental clearance is needed first.","key":"Daytime wear","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Daily: soft toothbrush, mild soap, lukewarm water, air-dry in a vented case; weekly diluted-vinegar soak.","key":"Cleaning routine","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Avoid hot water, abrasive toothpaste, and alcohol-based mouthwash; they can warp or degrade the laminate.","key":"Care hazards","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Nighttime-only; wearing it around the clock can shift the bite.","key":"Wear schedule","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Free remake within 60 days if the guard doesn't fit; refunds exclude shipping and material.","key":"Remake guarantee","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Normal-use cracks are replaced free within 60 days (120 for premium retainers).","key":"Breakage replacement","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://clearretain.com/products/premium-hard-night-guard"]}},{"value":"Pet-chewed and lost guards are expressly excluded; grinding can shorten the guard's life.","key":"Warranty exclusions","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"Loose dental work or braces hardware must be cleared before ordering a guard.","key":"Order screening","provenance":{"productData":false,"reviews":false,"qna":true,"urls":[]}},{"value":"A backup prevents tooth shift when the guard is lost or broken.","key":"Backup rationale","provenance":{"productData":false,"reviews":false,"qna":true,"urls":["https://clearretain.com/products/hard-night-guard"]}},{"value":"The $25 backup is a same-person duplicate, not for 2 people.","key":"Backup sharing","provenance":{"productData":false,"reviews":false,"qna":false,"urls":["https://clearretain.com/products/hard-night-guard"]}}]},{"title":"Product record","type":"key_value","items":[{"value":"Hard Night Guard","key":"Title","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"ClearRetain","key":"Brand","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"$159 USD","key":"Price","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"In stock","key":"Availability","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}},{"value":"4.7 stars, 181 reviews, scale 5","key":"Rating","provenance":{"productData":true,"reviews":false,"qna":false,"urls":[]}}]}]}}