Chemical Exposures: No Dental Dilemma for BPA
2006
BPA in Dental Sealants: Is It Safe?
Sample size: 14
publication
Evidence: moderate
Author Information
Author(s): Renée Joskow, Dana Barr
Primary Institution: CDC
Hypothesis
Is BPA leaching from dental sealants harmful to people?
Conclusion
The study suggests that while BPA leaching occurs, dental sealants are still considered safe for preventing cavities.
Supporting Evidence
- All patients had BPA in their saliva and urine before treatment.
- Saliva BPA doubled immediately after treatment with Helioseal F sealants.
- Urine BPA more than tripled 1 hour after treatment with Helioseal F sealants.
- Saliva BPA increased nearly 126 times immediately after application of Delton LC sealants.
- Urine BPA jumped 10 times 1 hour after treatment with Delton LC sealants.
- Exposure to BPA from dental sealants is likely an insignificant source of risk.
Takeaway
This study looked at whether a chemical in dental sealants is bad for you. It found that even though some of the chemical gets into your body, it's not a big worry.
Methodology
The study tested saliva and urine for BPA in 14 nonsmokers receiving dental sealants.
Limitations
The study faced limitations in laboratory detection and translating animal studies to human health effects.
Participant Demographics
14 nonsmokers receiving their first resin-based sealants.
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