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Dental caries following radiotherapy for head and neck cancer: A systematic review.

07:00 EST 28th November 2019 | BioPortfolio

Summary of "Dental caries following radiotherapy for head and neck cancer: A systematic review."

Post-radiotherapy head and neck cancer patients are at increased risk of dental caries due to radiotherapy-induced salivary gland hypofunction and radiation-damage to tooth structure. Dental caries may cause pain and discomfort, and is likely to have a detrimental impact on patients' quality of life. This systematic review appraised and synthesised best available evidence regarding the incidence and severity of post-radiotherapy dental caries in head and neck cancer patients. Six databases and two trial registries were searched from their inception to May 2019. A total of 22 papers met the inclusion criteria. The pooled percentage of patients that developed dental caries post-radiotherapy was 29% (n = 15 studies; 95% CI 21%, 39%; I = 88.0%). Excluding studies with longer than two years follow-up, the pooled percentage was 37% (n = 9 studies; 95% CI 25%, 51%; I = 88.6%). Meta-regression analysis revealed that studies with a higher mean/median radiotherapy dose exposure, had an increased incidence of dental caries (p = 0.02). Furthermore, studies with a higher proportion of patients treated with chemotherapy in addition to radiotherapy, had an increased incidence of dental caries (p = 0.02) after the exclusion of an outlier. It is important to be mindful of the high degree of observed heterogeneity and the inclusion of a large number of non-randomised studies. Data regarding the number of carious teeth, the number of carious tooth surfaces, and the number of carious lesions developed post-radiotherapy was unsuitable for meta-analysis. There is a need for well-designed research studies to improve understanding of dental caries-risk in post-radiotherapy head and neck cancer patients.

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This article was published in the following journal.

Name: Oral oncology
ISSN: 1879-0593
Pages: 104484

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Medical and Biotech [MESH] Definitions

Soft tissue tumors or cancer arising from the mucosal surfaces of the LIP; oral cavity; PHARYNX; LARYNX; and cervical esophagus. Other sites included are the NOSE and PARANASAL SINUSES; SALIVARY GLANDS; THYROID GLAND and PARATHYROID GLANDS; and MELANOMA and non-melanoma skin cancers of the head and neck. (from Holland et al., Cancer Medicine, 4th ed, p1651)

The predisposition to tooth decay (DENTAL CARIES).

Diagnostic tests conducted in order to measure the increment of active DENTAL CARIES over a period of time.

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Dissection in the neck to remove all disease tissues including cervical LYMPH NODES and to leave an adequate margin of normal tissue. This type of surgery is usually used in tumors or cervical metastases in the head and neck. The prototype of neck dissection is the radical neck dissection described by Crile in 1906.

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