Impact of lateral occlusion schemes: A systematic review

J. Abduo, Marc Tennant

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)

    Abstract

    © 2015 Editorial Council for the Journal of Prosthetic Dentistry. Statement of problem Although several lateral occlusion philosophies have been proposed in the literature, there is a lack of compelling evidence supporting any scheme. Purpose The purpose of this systematic review was to investigate the clinical implications of different lateral occlusion schemes. Material and methods A literature search was completed through PubMed (MEDLINE), Google Scholar, and Cochrane Library, up to January 2014. The literature search aimed to retrieve 2 study categories: group 1: comparative studies; group 2: clinical outcome studies. The inclusion criteria were peer-reviewed human clinical studies published in English. The search was further supplemented by manual searching through the reference lists of the selected studies. Results The initial search revealed a total of 680 studies; however, after applying the inclusion criteria, 26 studies were found suitable for the analysis (13 for group 1 and 13 for group 2). The most commonly evaluated lateral occlusion schemes were canine-guided occlusion (CGO) and group function occlusion (GFO). Group 1 studies evaluated the impact of lateral occlusion schemes on muscular electromyographic (EMG) activity, condylar displacement, mastication, and mandibular movement. Group 2 studies evaluated the impact of restored occlusion on longevity, patient comfort, and pathologic consequences. CGO was associated with narrower mastication and less EMG activity of the masticatory muscles during clenching. GFO was associated with wider mandibular movement and quicker mastication. During mastication, there was no difference in EMG activity between the 2 lateral occlusion schemes. Furthermore, the long-term studies indicated that there is no difference between the 2 schemes in patient comfort and restoration longevity. Conclusion Although there are immediate differences between the different lateral occlusion schemes, patients have the capability to successfully adapt to CGO or GFO.
    Original languageEnglish
    Pages (from-to)193-204
    JournalJournal of Prosthetic Dentistry
    Volume114
    Issue number2
    DOIs
    Publication statusPublished - 2015

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