The results of searching for "dentiste": 5 French-speaking places
There are also organizations that speak other languages: English, Russian, and Spanish.
Avenida da Liberdade 220 1250-147 Lisboa Portugal
Largo Machado de Assis 9g 1700-116 Lisboa Portugal
Avenida 25 de Abril 184 2750-786 Lisboa Portugal
Rua Doutor Gama Barros 27A 1700-265 Lisboa Portugal
Rua Gilberto Rola 62A 1350-159 Lisboa Portugal