According to a survey of 1,000 patients by Carisbrook Dental, a private dental practice in Manchester, women change their toothbrush or electric brush head every 92 days, while men keep them for an average of 185 days, or six months.
Other findings from the survey include:
72% of men have used their female partner's toothbrush
Only 26% of women have used their male partner's brush
57% of women and 32% of men use electric toothbrushes
Women spend on average £42 on dental products a year, including brushes, toothpastes and other products such as mouthwash, whereas men spend about £24
Women are almost five times more likely to have cosmetic dental procedures such as teeth whitening.