Abstract
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. 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.
Highlights
A pleasant smile and proper alignment of anterior teeth are the main motivation for patients seeking orthodontic treatment.[1]
The aim of this study was to determine — in cases in which there is doubt as to the most appropriate procedure — the best treatment option between interproximal wear and incisor extraction to correct anterior lower crowding in Class I patients in permanent dentition and to achieve good facial esthetics
Angle Class I patients in permanent dentition presenting with lower anterior crowding
Summary
A pleasant smile and proper alignment of anterior teeth are the main motivation for patients seeking orthodontic treatment.[1] In permanent dentition, the mandibular anterior region is most susceptible[2] to patient’s dissatisfaction. It is the most common complaint, among older adult patients due to greater exposure of mandibular teeth at smiling.[3]. Diagnostic,[1,5,13,14,19] or virtual set-ups[18] are indicated
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