Meaning of dreaming of losing teeth depends on situation and time as per dream interpretation. Dreaming of falling in early morning hours is associated with insecurities and fear. Dreaming of all teeth falling out should be seen a sign of big problems in life. You will need to remain calm and avoid taking risks after seeing dream of all teeth falling.
Seeing dream of losing teeth by falling or accident means problems in future in relationship matters.
Simply seeing falling teeth or dream oneself without teeth means there will be problems in family life and someone might leave you forever.
Dreaming of losing teeth and blood means there will be accidents through fall or through vehicle or by animals.
Some people see losing teeth after seeing a similar incident or movies or documentaries during daytime. Dreams after such incidents have no value. The dreams have to happen naturally without any influence of day time events.