A Systematic Review and Meta-Analysis of the Impact of Cancer and Its Treatment Protocol on the Success of Orthodontic Treatment

Simple Summary This systematic review and meta-analysis examines the impact of cancer and its treatment on orthodontic treatment success. Existing studies show significant gaps in understanding the relationship between anti-cancer medications and orthodontic care, necessitating further research. The review selected five studies with varying methodologies, finding a strong association between radiotherapy, antineoplastic drugs, and reduced success in orthodontic treatment. The results indicate that while orthodontic treatments can be effective for children undergoing chemotherapy, their effectiveness may diminish in older populations. The review underscores the importance of considering cancer therapies in orthodontic planning to optimize results and minimize complications.Abstract Background: There are several significant gaps in current studies of the relationship between anti-cancer medications and orthodontic care that call for more investigation. As a result, the main goals of this systematic review and meta-analysis were to summarise and assess the information that was available regarding the effect of radiotherapy and anti-cancer medications on the overall successful completion of an orthodontic treatment plan. Methods: A standardised data extraction form was devised in accordance with the PRISMA guidelines to conduct a systematic review and meta-analysis, with specific criteria implemented for selecting studies with low to moderate risk of bias. Results: Five studies involving different methodologies were selected at the conclusion of the search strategy. The statistical analysis revealed an estimated odds ratio (OR) of 0.31 and relative risk (RR) of 0.48, indicating a statistically significant association between the use of radiotherapy and anti-neoplastic drugs and a noticeable reduction in the successful completion of orthodontic treatment. The heterogeneity analysis showed significant heterogeneity among the studies. Conclusions: This review emphasises that, although orthodontic therapies can still be beneficial for children receiving chemotherapy, the effectiveness of the therapy may be diminished in older populations. The findings further highlight how crucial it is to take cancer therapies into account when planning and managing orthodontic treatment in order to optimise results and reduce problems.