Effects of Bionator Devices on Orofacial Muscle Strength in the Treatment of Class II Malocclusion in Developmental Phase: Systematic Review

Background: Class II malocclusion is a common condition. The most common clinical presentation is a mandibular deficiency. Treatment with functional devices is an option that can be used for the treatment of malocclusion. In an era of evolving treatments, Bionator is still widely used in clinical practice. Objective: The purpose of this systematic review was to analyze the effectiveness of the treatment of class II malocclusion with the Bionator device in the growth and development phase. Methods: Data collection was carried out by searching literature on article search sites, namely Pubmed, Cochrane, Wiley, Google Scholar and Science Direct which were published from 2011 to 2021. The search was carried out from March to April 2021. Data search was carried out systematically using the bionator keyword. malocclusion class II, orofacial muscles, growth and development. Results: After eliminating published articles, the title and abstract of each article in the analysis amounted to 132 articles, 106 articles were excluded. The full text articles from the exclusion results were re-analyzed and 16 articles were excluded. The text of the article is complete and meets the eligibility of as many as 10 articles. Conclusion: From all the studies reviewed, the Bionator device can improve class II malocclusion in children.