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| Relationship between the presence of demarcated opacities and hypoplasia in permanent teeth and caries in their primary predecessors |
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| Author(s): Lo ECM, Zheng CG, King NM |
| Source: CARIES RESEARCH Volume: 37 Issue: 6 Pages: 456-461 Published: NOV-DEC 2003 |
| Times Cited: 3 References: 39 |
| Abstract: Objective: To investigate the relationship between the presence of demarcated opacities and hypoplasia on permanent teeth and the caries status of the primary predecessor teeth in a cohort of Chinese children. Methods:The study sample consisted of 250 children living in a non-fluoridated area in Southern China whose caries status of primary teeth at the age of 3-6 years had been recorded annually in a previous study. A follow-up examination of their permanent teeth was conducted when they were about 12 years old. The presence of enamel defects was determined by consensus of 2 dentists according to the modified DDE index. Results: 56.8% of the 250 children examined had demarcated opacities, while 10.8% of them had hypoplasia. Demarcated opacities and hypoplasia were found in 5.8 and 1.3% of the teeth examined, respectively. A higher prevalence of demarcated opacities was found in those permanent teeth of which their primary predecessor teeth had caries than in those without (7.5 vs. 3.8%, p < 0.001). A similar finding was obtained for the prevalence of hypoplasia (1.9 vs. 0.4%, p < 0.001). Conclusion: There was an association between caries in primary teeth and the presence of demarcated opacities and hypoplasia in their permanent successors. Copyright (C) 2003 S. Karger AG, Basel. |
| Document Type: Article |
| Language: English |
| Reprint Address: Lo, ECM (reprint author), Univ Hong Kong, Prince Philip Dent Hosp, Fac Dent, 34 Hosp Rd, Hong Kong, Hong Kong Peoples R China |
Addresses:
1. Univ Hong Kong, Prince Philip Dent Hosp, Fac Dent, Hong Kong, Hong Kong Peoples R China
2. Wuhan Univ, Sch Stomatol, Wuhan 430072, Peoples R China |
| Publisher: KARGER, ALLSCHWILERSTRASSE 10, CH-4009 BASEL, SWITZERLAND |
| Subject Category: Dentistry, Oral Surgery & Medicine |
| IDS Number: 739CZ |
| ISSN: 0008-6568 |
| DOI: 10.1159/000073400 |
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