Strong positive association with early exposure 20 yr old (OR = 4.0, P < 0.01) among women Thus, we conducted a systematic review of papers that reported an association between dental X-ray exposure and overall health risks because no previous reports have summarized these associations. Repeated exposure to dental X-rays may result in various health problems including head and neck tumors and various systemic problems. In particular, thyroid cancer is one of the most common cancers in the worldwide, and the side effects from dental radiation exposure are likely to contribute to its incidence due to the location of the thyroid gland. Several studies have found an association between dental X-ray exposure and increased risks of brain cancer, tumors of the parotid gland and breast cancer and thyroid cancer. A meta-analysis study proposed that there is no clear evidence of a significant association between exposure to dental diagnostic X-rays and the risk of developing meningioma. Although many epidemiological studies have reported on the association between exposure to dental X-rays and meningioma risk, it is still controversial, as some studies have shown a lack of association. In the head and neck region, cancer risks caused by exposure to dental X-rays have been discussed. Exposure to dental X-rays is associated with potential risk of cancer, which was revealed in previous studies. Repeated exposure could also increase cancer risk. However, the survivors of the Hiroshima atomic bombings provide evidence of increased cancer risk from low doses of radiation. ĭental X-rays expose patients to relatively low radiation doses. Considering the lifetime frequency of exposure to dental diagnostic X-rays, even a slight increase in health risk would be of considerable public health importance. Dental diagnostic X-rays for certain types of examinations, including bitewings, full-mouth series, and panoramic views, are in common use.
Although radiation doses have been reduced due to the development of digital techniques, dental diagnostic X-ray imaging remains one of the most common types of radiological procedures that are frequently performed in dental clinics for oral examinations. More studies with a large population and prospective design are needed to elaborate these associations further.ĭental diagnostic X-rays are an essential part of dental practice. In a few studies examining health effects related to dental X-ray exposure, possibly increased risks of meningioma and thyroid cancer were suggested. Health outcomes such as leukemia, low birth weight, cataracts, and thumb carcinomas were also reported. There was also a statistically significant correlation between full-mouth X-rays and salivary gland cancer, but not parotid gland cancer. In studies on head and neck areas, tumors included laryngeal, parotid gland, and salivary gland cancers. In 4 of the 5 thyroid-related studies, there was a significant correlation with dental diagnostic X-rays. In brain tumor studies, the association between dental X-ray exposure and meningioma was statistically significant in 5 of the 7 studies. In terms of health outcomes, there were 10 studies about brain tumors, 5 about thyroid cancer, 3 about tumors of head and neck areas, and 3 related to systemic health. The final 21 studies were selected after application of exclusion criteria. Two reviewers independently evaluated the eligibility of each study. A total of 2 158 studies, excluding duplicate studies, were found. To perform the systematic review, We searched the PUBMED, EMBASE, and MEDLINE databases for papers published before December 15, 2016. The purpose of this review is to summarize the results of studies on of the association between exposure to dental X-rays and health risk.
0 kommentar(er)
