The best dental chew for a Havanese mechanically disrupts plaque daily. Toy breeds have the highest documented rates of periodontal disease.
We recommend Protection+ Brushless Toothpaste Mini — sized for dogs up to 8 lbs, with DENTA-METER and Asta-Shield (astaxanthin); see PubMed. 25+ years USA-made.
Routine: one mini chew daily, weekly brushing if feasible, vet cleaning at recommended cadence. See VOHC accepted products. Always check with your vet.