Does your dog greet you with breath that could peel paint? You’re not alone—by age three, over 80 % of dogs already show signs of periodontal disease, yet fewer than 10 % ever receive daily tooth-brushing. The result is sore gums, tooth loss, and systemic infections that quietly erode a pet’s quality of life. Enter VOHC-approved dog treats: evidence-based chews that do more than entertain; they deliver a clinically proven scrubbing action that reduces plaque and tartar every time your pup settles in for a chew session.
In this 2025 dental guide, we’ll unpack everything you need to know before you toss the next “dental” chew into your shopping cart. Expect no product rankings or hype-driven lists—just a deep dive into the science, safety standards, ingredient nuances, sizing math, calorie economics, and sustainability factors that separate bona-fide oral-care powerhouses from the marketing fluff. By the end, you’ll confidently interpret VOHC seals, match chew mechanics to your dog’s bite style, and build a home-care routine that keeps tails (and teeth) wagging for years.
Top 10 Vohc Approved Dog Treats
Detailed Product Reviews
1. Tartar Shield Soft Rawhide Chews | Safe Dental Treats for Large Dogs | Vet VOHC Approved | Daily Bone Cleans Teeth & Gums Fresh Breath Oral Health Support | USA Made | (Large Dogs / 24 Count)
Overview: Tartar Shield Soft Rawhide Chews are VOHC-approved dental treats designed specifically for large dogs, combining oral health benefits with a gentle chewing experience. These USA-made treats promise to reduce tartar buildup by over 54% while freshening breath.
What Makes It Stand Out: The soft rawhide texture sets this product apart from traditional hard dental chews, making it ideal for dogs with sensitive teeth or gums. The patented formula combined with natural bacon flavor baked throughout ensures dogs stay interested while providing clinically proven dental benefits.
Value for Money: At $35.99 for 24 large treats, these premium chews cost approximately $1.50 per treat. While pricier than basic rawhide, the VOHC approval, proven tartar reduction, and USA-sourced ingredients justify the investment for owners prioritizing their dog’s dental health.
Strengths and Weaknesses: Strengths include the soft texture perfect for senior dogs or aggressive chewers, VOHC approval ensuring effectiveness, and the irresistible bacon flavor. The main weakness is the higher price point compared to standard dental chews. Some owners might prefer a harder texture for longer-lasting chews.
Bottom Line: These soft rawhide dental treats excel for large dogs needing gentler oral care. The proven tartar reduction and palatable flavor make daily dental maintenance enjoyable. Recommended for owners willing to invest in premium, USA-made dental care for their large dogs.
2. Yummy Combs Dog Dental Treats – Vet VOHC Approved – Delicious Chicken Protein – Removes Tartar with Cleaning Comb Shape – Dental Dog Treats for Medium Dogs (12oz, 15 Count)
Overview: Yummy Combs revolutionizes dog dental care with their unique honeycomb-shaped treats designed for medium dogs. These VOHC-approved chews feature an innovative design that provides 360-degree tooth cleaning action, working like dental floss for dogs.
What Makes It Stand Out: The distinctive honeycomb shape with deep pockets creates an unprecedented flossing action that surrounds each tooth for maximum cleaning. The wide design prevents gulping while encouraging longer chewing sessions, and the 44% protein content with 12 wellness ingredients transforms a simple treat into a nutritional supplement.
Value for Money: At $19.95 for a 15-count package, each treat costs approximately $1.33. Given the VOHC approval, innovative cleaning design, and added nutritional benefits including joint, heart, and skin support, this represents excellent value for comprehensive canine wellness.
Strengths and Weaknesses: Major strengths include the unique honeycomb cleaning action, grain-free formulation, and multi-functional health benefits. The wide design effectively prevents choking hazards. However, the treats may be consumed quickly by aggressive chewers, and sizing must be carefully matched to prevent swallowing whole.
Bottom Line: Yummy Combs offers superior dental cleaning through innovative design while providing nutritional benefits. The honeycomb shape genuinely improves cleaning effectiveness compared to traditional dental treats. Highly recommended for medium dogs needing comprehensive dental and nutritional support.
3. Whimzees Wellness Brushzees Dog Dental Treats, Natural Chews, Small Size Stick, (24 Count)
Overview: Whimzees Wellness Brushzees are natural dental chews designed for small dogs (15-25 lbs), offering extended cleaning time through their unique shape. These vegetarian treats last three times longer than competitors while effectively cleaning teeth and freshening breath.
What Makes It Stand Out: The extended chewing duration sets Brushzees apart, providing significantly more cleaning time per treat. The completely vegetarian formula makes them ideal for dogs with protein sensitivities or owners preferring meat-free options. The unique grooved shape effectively reaches different areas of the mouth.
Value for Money: At $15.82 for 24 treats (approximately $0.66 each), these offer exceptional value. The tripled cleaning time means each treat provides more dental benefits, while the VOHC approval ensures effectiveness. The all-natural, allergen-free formulation adds extra value for sensitive dogs.
Strengths and Weaknesses: Strengths include the long-lasting chew time, hypoallergenic formulation, and affordable price point. The vegetarian recipe suits dogs with various sensitivities. However, some dogs might prefer meat-based flavors, and the smaller size may not satisfy aggressive chewers.
Bottom Line: Brushzees excel in providing extended dental cleaning for small dogs at an affordable price. The vegetarian formula and longer chew time make them perfect for dogs with food sensitivities. An excellent daily dental solution for budget-conscious owners of small dogs.
4. Yummy Combs Dog Dental Treats – Fish & Egg Protein – Vet VOHC Approved, Removes Tartar – A Daily Teeth Cleaning Treat for Extra Small Dogs (30 Count)
Overview: Yummy Combs Fish & Egg Protein dental treats cater specifically to extra small dogs (5.5-12 lbs) with their innovative honeycomb design. These VOHC-approved treats combine superior dental cleaning with novel protein sources for dogs with common meat allergies.
What Makes It Stand Out: The combination of fish and egg protein offers a unique alternative for dogs with chicken or beef sensitivities. The honeycomb design provides 360-degree cleaning action even for tiny mouths, while the wide shape prevents gulping in small breeds notorious for swallowing treats whole.
Value for Money: At $27.19 for 30 treats, each costs approximately $0.91. While pricier than some alternatives, the specialized protein sources, VOHC approval, and comprehensive wellness ingredients including 44% protein justify the cost for dogs requiring novel proteins.
Strengths and Weaknesses: The fish and egg protein formulation is ideal for allergy-prone dogs, while the honeycomb design effectively cleans tiny teeth. The wide shape enhances safety for small breeds. However, the higher price point and fish smell might not suit all owners, and some picky eaters may need time to adjust to the fish flavor.
Bottom Line: These Yummy Combs provide excellent dental care for extra small dogs needing alternative proteins. The innovative shape and allergy-friendly formula make them worth the premium price. Recommended for small dogs with food sensitivities requiring superior dental care.
5. Wellness WHIMZEES Brushzees Dog Dental Treats, Natural Chews, Extra Small Size Stick, (48 Count)
Overview: Wellness WHIMZEES Brushzees for extra small dogs (5-15 lbs) offer the same extended cleaning benefits as their small dog version, with 48 treats per package providing nearly two months of daily dental care. These natural, vegetarian chews effectively clean teeth while being gentle on sensitive systems.
What Makes It Stand Out: The generous 48-count package provides exceptional convenience, eliminating frequent reordering. The extra small size is perfectly calibrated for tiny mouths, while maintaining the three-times-longer chewing duration that maximizes cleaning effectiveness with each treat.
Value for Money: While price isn’t specified, WHIMZEES typically offer excellent value. The 48-count package provides nearly two months of daily dental care, making it extremely convenient. The vegetarian, allergen-free formulation adds value for dogs with sensitivities.
Strengths and Weaknesses: The large package size and extended chew time provide excellent convenience and effectiveness. The VOHC approval ensures dental benefits, while the vegetarian formula suits sensitive dogs. The extra small size perfectly matches toy breeds. However, very tiny dogs might struggle with even these reduced-size treats, and aggressive chewers might still consume them quickly.
Bottom Line: These Brushzees offer convenient, long-lasting dental care for extra small dogs. The generous package size and extended cleaning time make daily dental maintenance simple and effective. An excellent choice for owners of tiny breeds seeking hassle-free dental care.
6. Wellness WHIMZEES Value Box Dog Dental Treats, Natural Chews, Large Size, (24 Count)
Overview: WHIMZEES Value Box delivers 24 large, vegetarian dental chews engineered to tackle the four pillars of canine oral health: breath, tartar, plaque, and gums. Designed for 40-60 lb dogs, these knobby, ridged sticks turn tooth-brushing time into a daily chew party.
What Makes It Stand Out: The grooved, hedgehog-like shape isn’t just cute—it creates multiple planes that scrub every surface of the tooth while the hollow center lets teeth sink in for gum-line flossing action. Being grain-free, meat-free, and artificially-nothing, they’re one of the few dental chews safe for allergy-prone pups.
Value for Money: Without a listed price, judging cost-per-chew is tricky, but a 24-count box typically lands in the mid-$20s—about a dollar a day for vet-recommended daily dental care that could delay a $400 cleaning.
Strengths and Weaknesses: Pros: VOHC-accepted formula, vegetarian, low-fat, high fiber, noticeable breath improvement within a week. Cons: Large size may be finished in under five minutes by power chewers; not for dogs under 40 lbs; some batches arrive crumbly in transit.
Bottom Line: If your dog sits in the 40-60 lb sweet spot and you want an easy, mess-free way to hold tartar at bay, WHIMZEES is a no-brainer—just stock up when the price dips.
7. A Better Treat – Freeze Dried Salmon Dog Treats, Wild Caught, Single Ingredient | Natural High Value | Gluten Free, Grain Free, High Protein, Diabetic Friendly | Natural Fish Oil | Made in The USA
Overview: A Better Treat’s freeze-dried salmon turns wild-caught Alaskan fillets into lightweight, stink-free nuggets that dogs (and cats) will work for. Nothing is added—just salmon—making it a single-ingredient jackpot for trainers, allergy sufferers, and raw feeders alike.
What Makes It Stand Out: The company freeze-dries within hours of catch, locking in 61 % more omega-3s than dehydrated fish while keeping the treat non-greasy and pocket-friendly. Wild sourcing also means 68 % less saturated fat compared with farmed salmon.
Value for Money: At $16.99 for 3 oz ($5.66/oz) it’s premium, but one bag yields 80–90 pea-sized pieces that go a long way in high-value training. You’re paying for wild, U.S.-processed, human-grade fish—comparable to sushi, not kibble.
Strengths and Weaknesses: Pros: single ingredient, diabetic-safe, glossy-coat results in two weeks, resealable pouch keeps pieces crisp. Cons: Aroma can be strong in small apartments; crumbs at bottom are messy if you don’t sprinkle them as food topper; price climbs fast for giant breeds.
Bottom Line: For picky, allergy-prone, or health-focused pets, these salmon bites are worth every penny—use sparingly and watch coats glow.
8. Yummy Combs Dog Dental Treats – Vet VOHC Approved – Delicious Chicken Protein – Removes Tartar with Cleaning Comb Shape – Large 12oz & Extra Large 36 oz
Overview: Yummy Combs are oversized, honeycomb-shaped dental chews that floss 360° around each tooth while delivering 44 % protein and a dozen functional nutrients. VOHC-approved and vet safety-tested, they target oral malodor and tartar in dogs from 5.5 lbs to 100 + lbs.
What Makes It Stand Out: The wide, comb lattice forces dogs to chew slowly, letting every tooth slide through deep pockets that scrub down to the gum line—essentially acting as edible dental floss. A patented Slick’M coating prevents gulping and aids safe swallowing.
Value for Money: At $95.24 for the 36 oz extra-large pouch you’re paying roughly $2.65 per chew—steep, but still cheaper than anesthesia-based cleaning and packed with joint, heart, and skin supplements that replace separate vitamins.
Strengths and Weaknesses: Pros: VOHC seal, protein-rich, grain-free, non-GMO, noticeable breath improvement in days, available in five sizes. Cons: High sticker shock; large dogs may finish in 8–10 min; not suitable for calorie-restricted diets without adjusting meals.
Bottom Line: If budget isn’t the top concern and you want clinic-grade cleaning power disguised as a tasty treat, Yummy Combs delivers—size up and supervise for best results.
9. Portland Pet Food Company Pumpkin Dog Treats Healthy Biscuits for Small Medium & Large Dogs – Grain-Free, Human-Grade, All Natural Cookies, Snacks & Puppy Training Treats – Made in The USA – 5 oz
Overview: Portland Pet Food Company bakes grain-free pumpkin biscuits using seven human-grade, USA-sourced ingredients—organic pumpkin, garbanzo bean flour, peanut butter, molasses, and cinnamon—shaping them into light, snap-able cookies suitable for training or spoiling.
What Makes It Stand Out: These vegan biscuits are double-baked like Italian biscotti, creating a satisfying crunch that cleans teeth yet crumbles easily for tiny mouths. The pumpkin base appeals to picky eaters while adding natural fiber for digestive regularity.
Value for Money: $9.99 buys a 5 oz pouch—about $32/lb, placing it in the gourmet bracket. Each 1¼-inch cookie can be broken into four training bits, stretching the bag to ~60 rewards, which softens the sticker shock for multi-dog households.
Strengths and Weaknesses: Pros: limited-ingredient, allergy-friendly, no BHA/BHT, smells like gingerbread, made in small Oregon batches. Cons: Bag is small for the price; cookies can arrive cracked during shipping; not as high-value for extremely food-motivated dogs.
Bottom Line: For owners who want a clean-label, human-grade cookie that smells like fall and fits every breed, these pumpkin biscuits are a splurge-worthy pantry staple—perfect for sensitive stomachs and photo-worthy snack time.
10. A Better Treat – Freeze Dried Organic Pumpkin Dog and Cat Treats, Organic, Single Ingredient | Natural, Healthy, Diabetic Friendly | Made in The USA
Overview: A Better Treat’s freeze-dried organic pumpkin pellets deliver tummy-soothing fiber in a 0.2-calorie morsel. With only one ingredient—certified-organic U.S. pumpkin—they act as a low-calorie training pea, meal topper, or gentle aid for diarrhea and constipation.
What Makes It Stand Out: Market-first USDA-organic status plus freeze-drying means 61 % more beta-carotene and prebiotic fibers survive compared with dehydrated counterparts. The tiny disc shape avoids the dusty powder common in other freeze-dried veggies.
Value for Money: $14.98 for an ounce sounds extreme until you realize you get 400+ treats per tin—cost per reward under four cents. That’s cheaper than most kibble used for training and you gain digestive insurance.
Strengths and Weaknesses: Pros: single organic ingredient, diabetic & raw-diet safe, stops soft stools in 24 h, resealable tin fits pockets, virtually calorie-free. Cons: Dogs new to fiber may get temporary gas; cats often ignore plain pumpkin; price per pound rivals filet mignon.
Bottom Line: If you need a guilt-free, allergy-proof training currency that doubles as a gut-health supplement, this is the best bang for your calorie buck—keep a tin handy for tummy upsets and overweight waistlines alike.
Understanding VOHC Certification: Why the Seal Matters for Your Dog’s Teeth
The Veterinary Oral Health Council (VOHC) isn’t a trade lobby; it’s an independent panel of board-certified veterinary dentists who demand two rigorous trials before awarding their coveted seal. Each trial must demonstrate at least a 20 % reduction in plaque or tartar compared with control animals fed the same diet minus the test chew. The studies are peer-reviewed, radiograph-verified, and breed-balanced—no cherry-picked Yorkies with perfect chompers. When you spot “VOHC Accepted” on a package, you’re looking at the closest thing to peer-reviewed proof that the chew will mechanically disrupt biofilm before it mineralizes into cement-like calculus.
The Science Behind Dental Chews: How Texture, Size, and Solubility Fight Biofilm
Plaque is a sticky bacterial condominium that forms within hours. If undisturbed, it mineralizes into tartar in 24–72 hours. Effective dental chews interrupt this timeline by combining three factors: (1) a surface texture that drags across the tooth crown and gum line, (2) a size/shape that forces the dog to gnaw for 60–180 seconds per bite, and (3) a solubility profile that ensures the chew dissolves once it reaches the stomach, reducing impaction risk. Researchers use fluorescent tagging to measure how many square millimeters of tooth surface actually contact the chew; VOHC standards require at least 60 % coverage in the trial cohort.
Key Buying Criteria: What to Evaluate Before Adding Any Chew to Your Cart
Start with the VOHC seal, then pivot to calorie load (you’ll be feeding these several times a week), ingredient tolerances (protein source, gluten, novel carbs), and mouth-feel mechanics (density, groove depth, break strength). Confirm the manufacturer publishes chew-time data—anything under 30 seconds per piece rarely achieves mechanical abrasion. Finally, scan for lot-specific traceability in case of recalls; the best brands print QR codes that pull up third-party lab assays for microbial load and oxidation indices.
Matching Chew Properties to Your Dog’s Bite Force and Jaw Anatomy
A brachycephalic Frenchie generates 200–250 psi, while a Labrador can top 700 psi. If the chew is too soft, the power chewer swallows golf-ball-sized chunks; too hard, and the tiny-jawed pup risks dental fracture. Look for “bite-force class” icons pioneered in 2024—similar to weight ranges but based on jaw load. Manufacturers now laser-etch flexural modulus values on the back of each chew; aim for 150–300 MPa for moderate chewers and 400–550 MPa for giant breeds.
Ingredient Deep Dive: Proteins, Binders, and Functional Additives That Actually Work
Single-source novel proteins (insect meal, alligator, wild boar) reduce adverse-reaction risks for allergy dogs. Plant-based binders such as chickpea flour add soluble fiber that ferments into short-chain fatty acids—bonus gut health points. Functional additives include sodium hexametaphosphate (interferes with calcium crystallization), zinc ascorbate (antimicrobial), and pomegranate extract (polyphenol antioxidant). VOHC trials must verify the active remains bioavailable throughout the chew’s shelf life, so check that the coating isn’t just a marketing dusting.
Calorie and Portion Control: Keeping Daily Dental Treats From Turning Into Pudgy Pups
A 30 kg dog on a 1,200 kcal maintenance diet can’t afford a 250 kcal dental “snack” twice daily. VOHC-approved chews now list “kcal per unit” and “maximum daily units” side-by-side. Use the 10 % rule: all treats combined should stay below 10 % of daily calories. For weight-prone breeds, opt for low-fat, high-moisture formats that deliver <40 kcal per chew yet still require two minutes of mastication.
Safety Red Flags: Hardness, Splintering, and Choking Hazards to Avoid
Rule of thumb: if you can’t indent the chew with your thumbnail, it’s too hard for canine teeth. Baked bone, antler, and some nylon bones exceed tooth enamel on the Mohs scale—veterinary dentists pull slab fractures weekly. Conversely, chews that shred into linear fibers (rawhide) can wrap around the base of the tongue. VOHC protocols include post-mortem GI inspection for obstruction; any study showing perforation or linear foreign body automatically fails. Still, supervise every chew session and discard pieces smaller than your dog’s last molar.
Age and Dental Stage Considerations: Puppies, Adults, and Seniors Need Different Textures
Puppies under six months need gentle abrasion that won’t dislodge deciduous teeth; look for VOHC seals specifically granted for “puppy use” with flexural modulus under 100 MPa. Adults require full-calculus control, while seniors with gingival recession need softer, collagen-rich matrices that massage rather than abrade exposed root surfaces. Many 2025 formulations embed hyaluronic acid to soothe inflamed geriatric gingiva—check for the “senior” qualifier on the VOHC listing.
Combining Chews With Brushing, Water Additives, and Professional Cleanings
Dental chews are adjuncts, not magic bullets. Pair them with enzymatic toothpaste at least three times weekly, chlorhexidine water additives on non-brushing days, and annual anesthetic cleanings for sub-gingival scaling. Think of chews as the “daily floss” that keeps supragingival plaque in check, buying you time between vet visits. Document chew frequency on your phone’s calendar; compliance drops 40 % when owners rely on memory alone.
Sustainability and Ethical Sourcing: What Eco-Conscious Owners Should Ask
Ask whether the protein is upcycled (spent brewery grains, invasive fish species) or requires additional livestock farming. Check for third-party certifications—MSC for fish, MSCI for insect meal, and Leather Working Group for collagen suppliers. Some brands offset chew miles with carbon-neutral shipping; scan the packaging for 2025’s new “Pet Sustainability Coalition – Approved” icon. Biodegradable pouches made from cornstarch laminates reduce shelf life by six months, so buy smaller bags if you choose this route.
Transitioning Your Dog: Step-by-Step Introduction to Avoid GI Upset
Day 1–2: offer 25 % of the recommended chew size after the morning meal to test tolerance. Day 3–5: increase to 50 % while monitoring stool quality—mucus or orange tinges suggest pancreatic overload. Day 6–7: give full unit provided no diarrhea or vomiting occurs. If your dog is on a prescription novel-protein diet, match the chew’s protein source to the kibble to avoid triggering a flare.
Budget Planning: Cost per Effective chew vs. Future Vet Dental Savings
Average root-canal therapy runs $1,200–$2,000 per tooth; a full-mouth extraction in a small-breed dog can exceed $5,000. Budgeting $1–$2 per VOHC-approved chew used four times weekly translates to roughly $200–$400 yearly—less than a single crown. Calculate “cost per chewing minute” to avoid overpaying for treats your dog swallows in 15 seconds. Divide package price by total expected chewing minutes (units × average chew time) to normalize value.
Reading the New 2025 VOHC Labels: Decoding Icons, Lot Numbers, and QR Codes
Fresh for 2025, VOHC labels sport a holographic seal that reveals a micro-printed serial number under a phone flashlight. Scan the adjacent QR code to view the original peer-reviewed study, your exact lot’s oxidative stability score, and a 30-second video demonstrating proper chew sizing. If the code pulls up a 404 error, return the bag—counterfeit dental chews are surging on third-party marketplaces.
Homemade vs. Commercial: Why DIY Dental Treats Rarely Pass VOHC Standards
Carrot sticks and frozen banana bites provide minimal abrasion—lab studies show <5 % plaque reduction. Achieving VOHC-level efficacy requires standardized density, moisture, and shape reproducibility impossible in a home kitchen without torque rheometers and extrusion cookers. Worse, DIY dehydrated bones splinter unpredictably. Stick with commercial options if you want measurable oral-health ROI.
Special Diets and Allergies: Grain-Free, Limited-Ingredient, and Novel Protein Options
Grain-free doesn’t always mean carb-free; tapioca and potato starch can spike blood glucose. Instead, focus on “limited-ingredient” VOHC varieties with a single protein and single binder. Insect-based chews are emerging as hypoallergenic superstars—black soldier fly larvae contain no known cross-reactivity to common pet-food proteins and boast a 55 % crude protein density. Always cross-reference the chew’s full ingredient panel against your dog’s elimination-diet diary.
Storage, Shelf Life, and Travel Tips to Maintain Chew Efficacy on the Go
Heat and humidity oxidize fats, turning healthy omega-3s into rancid irritants. Store chews below 22 °C and <60 % relative humidity; vacuum-sealed road tins work for camping trips. If flying, pack only the number of chews needed—TSA X-ray machines can accelerate fat oxidation. Post-chew, reseal the bag with the included desiccant pack; research shows efficacy drops 18 % once relative humidity inside the bag exceeds 70 %.
Frequently Asked Questions
1. What exactly does the VOHC seal guarantee?
It guarantees the chew reduced plaque or tartar by ≥20 % in two separate, peer-reviewed trials conducted according to VOHC protocols.
2. How often should I give a VOHC-approved chew?
Most achieve maintenance benefits when used four to five times per week, but follow the specific package directions and your vet’s advice.
3. Can VOHC chews replace tooth brushing?
No. They are adjuncts that reduce supragingival plaque; brushing remains the gold standard for sub-gingival bacterial control.
4. Are VOHC chews safe for dogs with food allergies?
Many limited-ingredient and novel-protein options exist; cross-check the label with your dog’s known allergens.
5. My dog finishes chews in seconds—are they still effective?
Probably not. Efficacy correlates with chewing time; look for products that require at least 60 seconds of active gnawing.
6. Do VOHC chews expire?
Yes. Fat oxidation and moisture loss reduce palatability and mechanical properties; use before the printed best-by date and reseal after opening.
7. Can puppies use VOHC-approved dental chews?
Only if the product specifically lists a puppy claim on the VOHC website; adult chews may be too hard for deciduous teeth.
8. What should I do if my dog swallows a large piece?
Monitor for vomiting, lethargy, or straining; consult your vet immediately if any signs of obstruction develop.
9. Are grain-free VOHC chews better for dental health?
Dental efficacy depends on texture and chew time, not grain content; choose based on your dog’s overall dietary needs.
10. How do I report an adverse reaction to a VOHC chew?
File a report with the manufacturer and the FDA’s Safety Reporting Portal; VOHC can revoke acceptance if safety issues emerge.