Introduction: Impaction of the lower second molars is quite rare ranging from 0 to 2.3% of the population and represents 0.03 to 0.04% of the overall dental impactions. This article aims to present and illustrate the simple orthodontic management approaches of the impaction of the lower second molars in synergy with Regional Acceleratory Phenomenon along with an overview of the main therapeutic options, their indications, and drawbacks. Materials and methods:An unrestricted database search was conducted via PubMed, Ovid Medline and Google Scholar performed until January 2022. Results:The main reason for the impaction or semi-impaction of the second lower molars is the lack of space in the posterior segment which may be necessary to evaluate the benefit/risk ratio at the beginning of impaction to perform the appropriate therapeutic option. Following a brief of the management along with the surgical and orthodontic protocol procedures, a new simplified orthodontic technique is presented combined with miniscrews. Discussion:The simplified protocol proposed in this article is simple to perform orthodontically, quick, and effective to upright second mandibular impacted molar. A rapid outcome is obtained by maximizing the Rapid Acceleratory Phenomenon created by removal of the wisdom tooth, surgical exposure of the lower second molar, and the thin interseptal bone between the lower second molar and wisdom tooth. However, an experienced clinician is required for the MIs placement. Conclusion:The contemporary evolution towards orthodontic treatments with a non-extraction protocol and with the benefit of the miniimplants will increase the therapeutic approaches along with the probabilities of easier molar uprighting in the impaction cases.
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