Influence of balanced occlusion and canine guidance on electromyographic activity of elevator muscles in complete denture wearers

Miralles, Rodolfo; Bull, Ricardo; Manns, Arturo; Román, Enrique

doi:10.1016/0022-3913(89)90021-8

Cited by 27 publications

(42 citation statements)

References 15 publications

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“…This finding is in line with Miralles et al, [37] who pointed out that the increased EMG activity may be due to increased vertical dimension leading to increased muscle activity during maximum voluntary clenching. This finding is also in line with Darwish et al, [38].…”

Section: Discussionsupporting

confidence: 91%

“…This could also be due to bilateral balanced occlusion facilitating adaptation to the new denture as stated by Rehmann et al [36]. These results are in contrast with Grubweiser et al, [13] and Miralles et al, [37] who found that canine guidance occlusion reduced masseter muscle activity in complete denture wearers. They stated that neuromuscular function in edentulous subjects is similar to that found in dentate people and that canine guided dentures prevent parafunctional habits.…”

Section: Discussionmentioning

confidence: 83%

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A prospective cross-over study to evaluate the effect of two different occlusal concepts on the masseter muscle activity in implant-retained mandibular overdentures

2015

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BackgroundThe purpose of this prospective cross-over study is to evaluate the effect of bilateral balanced occlusion and canine guidance occlusion on the masseter muscle activity using implant-retained mandibular overdentures.MethodsAfter evaluation of 12 completely edentulous patients using cone beam computed tomography (CBCT), mucoperiosteal flaps were reflected exposing the mandibular interforaminal region. Two implants were placed in the interforaminal region for each of the 12 patients. After a healing period of 3 months, acrylic maxillary complete dentures and mandibular overdentures were fabricated with bilateral balanced occlusion for 6 patients and canine guidance occlusion for the other 6 patients. Electromyographic evaluation of the masseter muscles, during clenching on a silicon index and chewing peanuts and cake, was conducted on the patients after using their dentures for 4 weeks. Each occlusion concept was then converted into the other concept using the same dentures, and the procedure of evaluation was repeated after 4 weeks. The recordings were analyzed statistically using Wilcoxon signed ranks test. p < 0.05 was considered statistically significant.ResultsThe highest electromyographic activity of the masseter muscles was recorded during clenching on a preformed silicon index followed by chewing peanut then cake for both occlusal concepts. The recordings of the masseter muscle associated with canine guidance occlusion were higher than bilateral balanced occlusion but with no statistically significant difference except between the right masseter muscles during clenching (p = 0.042*).ConclusionsBoth bilateral balanced occlusion and canine guidance occlusion can be used successfully in implant-retained mandibular overdentures without affecting masseter muscle activity.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 83%

A prospective cross-over study to evaluate the effect of two different occlusal concepts on the masseter muscle activity in implant-retained mandibular overdentures

2015

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“…Altogether, 17 studies were selected for the analysis: 11 RCTs and 6 prospective studies . A total of 492 patients were evaluated, with a mean age of 64.78 years.…”

Section: Resultsmentioning

confidence: 99%

“…In the non‐RCT studies based on Newcastle‐Ottawa, only one study showed a high risk of bias (below 6 stars) . Two studies scored 6 stars, 2 scored 7 stars and one study scored 9 stars, indicating a low risk of bias. The mostly absence of stars was related to lacking in terms of ascertainment of exposure, comparability of additional factors and adequate follow‐up (Table ).…”

Section: Resultsmentioning

confidence: 99%

Bilateral balanced occlusion compared to other occlusal schemes in complete dentures: A systematic review

Lemos

Verri

Gomes

et al. 2018

J of Oral Rehabilitation

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No consensus has been reached regarding the best occlusal scheme for making complete dentures. Thus, the purpose of this systematic review was to compare bilateral balanced occlusion (BBO) with other occlusal schemes (canine guidance, lingualised occlusion and zero degree) in complete dentures. The schemes were compared in terms of quality of life/satisfaction and masticatory performance. Two independent reviewers performed a comprehensive search of studies published in or before October 2017 using the PubMed/MEDLINE, Scopus and Cochrane Library databases. The search was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The focused question was: "In conventional complete denture, is BBO better than lingualised occlusion, canine guidance and zero degree in terms of quality of life, patient satisfaction and masticatory performance/muscle activity?" Seventeen studies were selected for analysis. In total, there were 492 patients with a mean age of 64.78 years and a mean follow-up duration of 2.96 months (range: 1-6 months). All studies compared BBO with the other occlusal schemes. Eleven studies evaluated the influence of the occlusal scheme designs on quality of life and satisfaction, and 8 studies evaluated masticatory performance and muscle activity between BBO and the other occlusion schemes. The present systematic review indicated that BBO does not confer better quality of life/satisfaction or masticatory performance and muscle activity. Thus, lingualised occlusion can be considered a predictable occlusal scheme for complete dentures in terms of quality of life/satisfaction and masticatory performance, while canine guidance can be used to reduce muscular activity.

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“…[12][13][14][15][16][17][18] Anterior teeth have a mechanical advantage over posterior teeth because they are farther from the fulcrum. The posterior teeth are protected from tooth-to-toothabrasive wear, harmful lateral stresses, cervical abfraction, and the damaging effects of parafunctional habits, because they are disoccluded.…”

Section: Noninterfering Teethmentioning

confidence: 99%

Esthetic dentistry and occlusion

Wilkerson¹

2015

Esthetic Dentistry

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Influence of balanced occlusion and canine guidance on electromyographic activity of elevator muscles in complete denture wearers

Cited by 27 publications

References 15 publications

A prospective cross-over study to evaluate the effect of two different occlusal concepts on the masseter muscle activity in implant-retained mandibular overdentures

A prospective cross-over study to evaluate the effect of two different occlusal concepts on the masseter muscle activity in implant-retained mandibular overdentures

Bilateral balanced occlusion compared to other occlusal schemes in complete dentures: A systematic review

Esthetic dentistry and occlusion

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