Dina first entered the Portuguese Eurovision selection, "Festival da Canção", in 1980, finishing eighth with "Guardando em mim". She participated again in 1982 with two songs, but could only manage sixth and eighth. Dina finally got her chance in 1992, when her song "Amor d'água fresca" ("Fresh Water Love") won the competition and went forward as the Portuguese representative in the 37th Eurovision Song Contest. The contest took place on 9 May in Malmö, Sweden, where "Amor d'água fresca" finished in 17th place of the 23 entries.