Question

what signal did her mother 's false teeth give to the poet

Answer 1

As the narrator has damaged her teeth so she was worrying about that if her tooth got continuosly facing cavities then all her teeth will be transformed into artificial tooth as her mother was facing . That's why she wants to convey that her mother's false teeth were giving signal to her that she is going to face that too . She remembers how she used to laugh at her mother's false tooth .Now it seems to her that her mother's flase tooth are calling her . She wishes if she had looked after her tooth.