Of course, it is superstitious to dream of losing a tooth, which symbolizes that there will be disaster for relatives. Freud clearly pointed out in his masterpiece The Interpretation of Dreams that it is absurd and wrong to dream that a tooth is missing, which symbolizes the death of a family member.
Dreaming that a tooth has fallen out just symbolizes that there is something wrong with the tooth itself.
Dreaming that a tooth has fallen out symbolizes that there is a problem in interpersonal relationship.
Dreaming that a tooth fell out symbolizes psychological retrogression.
Dream of losing a tooth, the original firm belief may be shaken.