Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/79860
Title: A survey of reasons for extraction of permanent teeth in Singapore
Authors: Ong, G. 
Yeo, J.-F. 
Bhole, S. 
Keywords: Permanent teeth
Reasons
Tooth extraction
Tooth mortality
Issue Date: Apr-1996
Source: Ong, G.,Yeo, J.-F.,Bhole, S. (1996-04). A survey of reasons for extraction of permanent teeth in Singapore. Community Dentistry and Oral Epidemiology 24 (2) : 124-127. ScholarBank@NUS Repository.
Abstract: A survey was carried out to determine the reasons for tooth extractions of permanent teeth in Singapore. Data were obtained from 52 dentists practising general dentistry over a period of 12 months. At the end of the 12-month period, data were collected from 1276 patients, from whom a total 272 teeth were extracted. In this population group, the results showed that the percentage of teeth extracted due to periodontal reasons and caries were about the same, that is, 35.8% and 35.4%, respectively. There was an increase in teeth extracted due to periodontal reasons with age. In patients above 40 yr, an average of 76% of teeth were lost due to periodontal reasons. An average of 26.7% of teeth were lost due to periodontal reasons in patients under 40 yr old. However, the trend for loss of teeth due to caries is reversed. Posterior teeth were more frequently extracted compared to anterior teeth. Third molars accounted for 24.7% of all extractions carried out, whilst central incisors were 8.0% of all extractions. Molars were often lost due to caries and lower anterior teeth were most frequently lost due to periodontal reasons. The results of this study did not demonstrate one predominant reason for extraction. Both caries and periodontal reasons were equally common causes of tooth extraction. © Munksgaard, 1996.
Source Title: Community Dentistry and Oral Epidemiology
URI: http://scholarbank.nus.edu.sg/handle/10635/79860
ISSN: 03015661
Appears in Collections:Staff Publications

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