3.Attitudes:

It was found that 62.2% of 457 adults had tooth loss due to dental carries. From in-depth interview of 11 subjects, this was caused by 1) Lack of time to visit the dentist, 2) Negative attitude towards dental treatment, and 3) Inability to support the cost of dental treatment [7].

4.Behaviors:

Betel Quid Chewing:

It was found that most aging women in Thailand chew betel quid during the day. The results from 2,253 women, aged 31–86 years old showed that there was an association between betel quid chewing and periodontitis, and also tooth loss [1].

Incorrect Brushing Technique:

It was found in Nong Song Hong School that 75% of 67 students had oral health problem such as toothache and 58.5% of them were absent from class because of toothache, 17.9% had dental carries, but none of them had tooth loss [26].
