Dentist practices across the county are taking part in this year's National Smile Month, which is the largest and longest-running campaign to promote good dental health.It comes after more than 150,000 children in Kent didn't see a dentist last year.Omnipark Dental Centre in Rainham is one of the practices taking part and will be hosting events with local schools.Dr Julius Babayemi, from Omnipark Dental Centre, joined us in the studio to talk a bit more about it.