You can not get Dipylidium caninum tapeworms directly from your dog, as it depends on the flea as the intermediate host. (glenerinanimalhospital.com)
SENTINEL Flavor Tabs are also indicated for the prevention of heartworm disease caused by Dirofilaria immitis, for the prevention and control of flea populations, the control of adult Ancylostoma caninum (hookworm), and the removal and control of adult Toxocara canis and Toxascaris leonina (roundworm) and Trichuris vulpis (whipworm) infections. (medi-vet.com)
Dogs in the Northern states and in Canada are more likely to be infected with U. stenocephala as it prefers cold climates and A. caninum prefers warm climates. (vetinfo.com)