Interproximal wear versus incisors extraction to solve anterior lower crowding: A systematic review

Natália Valli de ALMEIDA, Giordani Santos SILVEIRA, Daniele Masterson Tavares PEREIRA, Claudia Trindade MATTOS, José Nelson MUCHA

Objective: To determine by means of a systematic review the best treatment, whether interproximal wear or incisor extraction, to correct anterior lower crowding in Class I patients in permanent dentition. Material and Methods: A literature review was conducted using MEDLINE, Scopus and Web of Science to retrieve studies published between January 1950 and October 2013. In selecting the sample, the following inclusion criteria were applied: studies involving interproximal wear and/or extraction of mandibular incisors, as well as Class I cases with anterior lower crowding in permanent dentition. Results: Out of a total of 943 articles found after excluding duplicates, 925 were excluded after abstract analysis. After full articles were read, 13 were excluded by the eligibility criteria and one due to methodological quality; therefore, only fours articles remained: two retrospective and two randomized prospective studies. Data were collected, analyzed and organized in tables. Conclusion: Both interproximal wear and mandibular incisor extraction are effective in treating Class I malocclusion in permanent dentition with moderate anterior lower crowding and pleasant facial profile. There is scant evidence to determine the best treatment option for each case. Clinical decision should be made on an individual basis by taking into account dental characteristics, crowding, dental and oral health, patient’s expectations and the use of set-up models.

Keywords: Incisor. Angle Class I malocclusion. Tooth extraction.

How to cite: Almeida NV, Silveira GS, Pereira DMT, Mattos CT, Mucha JN. Interproximal wear versus incisors extraction to solve anterior lower crowding: A systematic review. Dental Press J Orthod. 2015 Jan-Feb;20(1):66-73. DOI: http://dx.doi.org/10.1590/2176-9451.20.1.066-073.oar

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