1. Reasons given for extraction of permanent teeth by general dental practitioners in England and Wales;Agerholm;British Dental Journal,1988
2. Survey of reasons for extraction of permanent teeth in Italy;Angelillo;Community Dentistry and Oral Epidemiology,1996
3. A survey of the reasons for dental extractions in France;Cahen;Journal of Dental Research,1985
4. Reasons given for tooth extraction in Hong Kong;Corbet;Community Dental Health,1991
5. Reasons for extraction of permanent teeth in Jordan;Haddad;International Dental Journal,1999