Dental Implants – Perceiving Patients’ Satisfaction in Relation to Clinical and Electromyography Study on Implant Patients

PLOS ONE, Dec 2019

The aim of this study is to evaluate the satisfaction of patients with posterior implants in relation to the clinical success criteria and surface electromyography (sEMG) findings of the masseter and temporalis muscles. Total 42 subjects were investigated. Twenty one subjects with posterior dental implants were interviewed using a questionnaire and the clinical success criteria were determined based on The International Congress of Oral Implantologists. The myofunction of the masticatory muscles were assessed using sEMG (21 subjects) and compared to the control group of subjects without implants (21 subjects). Out of 21 subjects, all were satisfied with the aesthetics of their implant. Twenty of them (95.2%) were satisfied with its function and stability. As for clinical criteria, 100% (50) of the implants were successful with no pain, mobility or exudates. sEMG findings showed that patients have significantly lower (p<0.01) basal or resting median power frequency but with muscle burst. During chewing, control subjects showed faster chewing action. There was no difference in reaction and recovery time of clenching for both groups. In conclusion, the satisfaction of implant patients was high, and which was in relation to the successful clinical success criteria and sEMG findings.

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Dental Implants – Perceiving Patients’ Satisfaction in Relation to Clinical and Electromyography Study on Implant Patients

October Dental Implants - Perceiving Patients' Satisfaction in Relation to Clinical and Electromyography Study on Implant Patients Mohammad Khursheed Alam 0 1 2 Shaifulizan Abdul Rahaman 0 1 2 Rehana Basri 0 1 2 Tiffany Tang Sing Yi 0 1 2 Justin Wong Si-Jie 0 1 2 Soumendra Saha 0 1 2 0 1 Orthodontic Unit, School of Dental Science , Universiti Sains Malaysia, Kota Bharu, Kelantan , Malaysia , 2 Oral and Maxillofacial Surgery Department, School of Dental Science , Universiti Sains Malaysia, Kota Bharu, Kelantan , Malaysia , 3 Craniofacial Biology, School of Dental Science , Universiti Sains Malaysia, Kota Bharu, Kelantan , Malaysia , 4 Department of Exercise and Sports Science, School of Health Science , Universiti Sains Malaysia, Kota Bharu, Kelantan , Malaysia 1 Received: January 4 , 2015 2 Editor: Luigi F. Rodella, University of Brescia , ITALY The aim of this study is to evaluate the satisfaction of patients with posterior implants in relation to the clinical success criteria and surface electromyography (sEMG) findings of the masseter and temporalis muscles. Total 42 subjects were investigated. Twenty one subjects with posterior dental implants were interviewed using a questionnaire and the clinical success criteria were determined based on The International Congress of Oral Implantologists. The myofunction of the masticatory muscles were assessed using sEMG (21 subjects) and compared to the control group of subjects without implants (21 subjects). Out of 21 subjects, all were satisfied with the aesthetics of their implant. Twenty of them (95.2%) were satisfied with its function and stability. As for clinical criteria, 100% (50) of the implants were successful with no pain, mobility or exudates. sEMG findings showed that patients have significantly lower (p<0.01) basal or resting median power frequency but with muscle burst. During chewing, control subjects showed faster chewing action. There was no difference in reaction and recovery time of clenching for both groups. In conclusion, the satisfaction of implant patients was high, and which was in relation to the successful clinical success criteria and sEMG findings. - Competing Interests: The authors have declared that no competing interests exist. A dental implant is an artificial tooth root that is placed into the jaw to replace a tooth or teeth lost due to periodontal disease, tumors, infections, trauma or developmental anomalies [1]. Dental implant is known to be one of the most preferred treatment options as they are the nearest equivalent replacement to the natural tooth. Proper assessment and follow up of the implant must be carried out to determine the effect of the implant on function of masticatory muscles. Clinical assessment is important to establish success criteria for implants [1]. Currently, clinical examination methods such as those used in periodontology have been widely applied in implant dentistry [2]. The clinical success criteria are adapted from The International Congress of Oral Implantologists (ICOI) Pisa Consensus Conference to determine the clinical success of the implant. Surface electromyography (sEMG) is a non-invasive index used to identify muscular activity of the face (masseter) and head (temporalis) muscles directly [3,4]. sEMG is performed using an instrument called electromyography, to produce a record called an electromyogram. Generally, the masseter and the temporalis are synergists and function concurrently. While the temporalis provides a basis for mandibular balance and postural control, the masseter is used during grinding and chewing [5]. However, no research in Malaysia has been done regarding surface electromyography (sEMG) results of patients with dental implants. This research is to evaluate the satisfaction of patients with posterior implants in relation to the clinical success criteria and the surface electromyography (sEMG) findings of the masseter and temporalis muscles. As far as search of literature and current knowledge is concerned, no prior surface electromyography data exists of dental implant patients; therefore this would be a pilot finding. 1. To determine the satisfaction and clinical success criteria of patients with posterior implants. 2. To assess myofunction of face (masseter) and head (temporalis) muscles of patients with posterior implants and control group by surface electromyography (sEMG). 3. To compare the satisfactionof patients with posterior implants with their clinical success criteria and myofunctional effect of masseter and temporalis muscles. H0: Patients who are satisfied with their functioning posterior implant fall under the success clinical criteria. There is no significant difference between the electromyography studies of posterior implant patients and control group. Patients who are satisfied with their functioning implant have similar masseter and temporalis myofunction compared to control group. Materials and Methods All subjects were informed verbally and (...truncated)


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Mohammad Khursheed Alam, Shaifulizan Abdul Rahaman, Rehana Basri, Tiffany Tang Sing Yi, Justin Wong Si-Jie, Soumendra Saha. Dental Implants – Perceiving Patients’ Satisfaction in Relation to Clinical and Electromyography Study on Implant Patients, PLOS ONE, 2015, 10, DOI: 10.1371/journal.pone.0140438