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  • Title: Clinical feasibility of mandibular implant overdenture retainers submitted to immediate load.
    Author: da Silva RJ, Issa JP, Semprini M, da Silva CH, de Vasconcelos PB, Celino CA, Siéssere S, Regalo SC.
    Journal: Gerodontology; 2011 Sep; 28(3):227-32. PubMed ID: 20609008.
    Abstract:
    INTRODUCTION: Millions of people around the world do not have access to the benefits of osseointegration. Treatments involving oral rehabilitation with overdentures have been widely used by specialists in the oral medicine field. This is an alternative therapy for retention and stability achievement in total prosthesis with conventional treatment, and two implants are enough to establish a satisfactory overdenture. OBJECTIVE: The objectives of the study were to evaluate 16 patients of both sexes, with an average age of 47.4±4 years, using electromyographic analysis of masseter and temporal muscles and analyse the increase of incisive and molar maximal bite force with their existing complete dentures and following mandibular implant overdenture therapy to assess the benefits of this treatment. MATERIALS AND METHODS: For these tests, the Myosystem-BR1 electromyograph and the IDDK Kratos dynamometer were used. Statistical analysis was performed using the repeated measures test (SPSS 17.0). RESULTS: A decrease in electromyographic activity during the rest, lateral and protrusion movements and increase of the maximal incisive and molar bite force after 15months with a mandibular implant overdenture was observed. CONCLUSION: All the patients in this study reported a considerable improvement in the masticatory function and prostheses stability following treatment. It is possible to propose that the use of mandibular implants overdenture should become the selected treatment for totally edentulous patients to facilitate oral function and quality of life.
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