Complex sentence: In the United Kingdom National Smile Month for example is wholly owned and run by the Foundation and is arguably the biggest dental health education event in Europe and is supported by some of the leading names in dantal care, together with Government and individual Dental Practices.
Split into simpler sentences: In the United Kingdom National Smile Month is wholly owned and run by the Foundation and is probably the biggest dental health education event in Europe. It is supported by some of the leading names in dental care, together with Government and individual Dental Practices.