Ergonomics work analysis applied to dentistry - a Brazilian case study

Custódio, Renata Aparecida Ribeiro; Silva, C. E. S.; Brandao, J. G. T.

doi:10.3233/wor-2012-0227-690

Cited by 18 publications

(13 citation statements)

References 20 publications

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“…According to Custodio, due to limited workspaces, the positions recommended by ISO and FDI for both the patient and the professional (respectively supine and at 9 o’clock) are rarely respected ( Custodio, Silva & Brandão, 2012 ).…”

Section: Discussionmentioning

confidence: 99%

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Ergonomic risk and preventive measures of musculoskeletal disorders in the dentistry environment: an umbrella review

Sio

Traversini

Rinaldo

et al. 2018

PeerJ

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IntroductionDental practitioners are exposed to different occupational hazards during the course of their professional activity, such as physical, chemical, biological, ergonomic factors. The ergonomic hazards, caused by strained posture and prolonged repetitive movements, can induce musculoskeletal disorders. It occurs in 54–93% of dental professionals and involve the spine, shoulder and hand-wrist tract. Through a systematic review of international literature, we analyzed specific ergonomic risk factors and preventive measures of musculoskeletal disorders in professional dental activity.MethodsThis systematic review is coherent with the PRISMA statement. The scientific research on the major online databases was based on the following keywords: dentist, prevention, ergonomic, dentistry, musculoskeletal, neck pain, posture, ergonomics, work and occupational. The studies included in this review focus on disorders related to ergonomics and on the most effective preventive measures to be adopted. No restrictions were applied for language or publication type. We excluded reports not related to ergonomic prevention in dentistry, reports of minor academic significance, editorial articles, individual contributions, and studies published in scientific conferences.ResultsOnline research indicated 4188 references: PubMed (2919), Scopus (1257) e Cochrane Library (12). We excluded 3012 of these, because they were unrelated to ergonomics theme and 187 due to duplication. From the remaining 989 studies, 960 papers did not meet inclusion criteria and they were excluded. Therefore, we analyzed 29 articles, including 16 narrative reviews and 13 original article. The main risk factor for the development of musculoskeletal disorders found in our analysis is static posture adopted during work, highlighted in 87.5% of reviews and 84% of original articles. With regard to preventive measures, 75% of the reviews highlighted the importance of stretching after each working session and at the end of the working day, while 61.5% of the original articles emphasized the use of modern and ergonomic instruments.DiscussionThis review showed that static postures are strongly responsible in the etiology of musculoskeletal disorders. The awkward postures more frequently identified among dental professionals are: extreme forward-head and neck flexion; trunk inclination and rotation towards one side; lifting one or both shoulders; increased curvature of the thoracic vertebral column; incorrect positioning of the lower limbs with thigh-leg angle of less than 90°. It is really important to use of a modern workstation with appropriate ergonomic supports. Among the preventive ergonomic measures, literature has widely recognized the role of physical activity and of a neutral and balanced posture. The present review has some limits: a large part of the selected studies did not have a high methodological quality score and an inadequate statistical analysis.

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Section: Discussionmentioning

confidence: 99%

“…The ergonomic hazards caused by strained posture and prolonged repetitive movements can induce musculoskeletal disorders (MSDs) ( Custodio, Silva & Brandão, 2012 ; Khalekar et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Ergonomic risk and preventive measures of musculoskeletal disorders in the dentistry environment: an umbrella review

Sio

Traversini

Rinaldo

et al. 2018

PeerJ

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“…Another important factor that influences the occurrence of musculoskeletal disorders is working environment. According to Custodio, the positions recommended by ISO and FDI, for patient and dentist (for example, the patient is in laying position and at the "9 o'clock" orientation to the dentist) are rarely observed due to the limited workspace [12]. In their study, Burke, Main and Freeman have come to the conclusion that approximately one third of dentists are forced to retire early because of work-related difficulties [13].…”

Section: Discussionmentioning

confidence: 99%

“…Custodio smatra da se pozicije koje preporučuju ISO i FDI, kako za pacijenta, tako i za zubara (tj. ležeća pozicija pacijenta i postavljanje zubara na poziciju "devet sati") retko primenjuju zbog ograničenih radnih prostora [12]. U svojoj studiji, Burke, Main i Freeman su došli do zaključka da je otprilike jedna trećina stomatologa prisiljena da se ranije penzioniše zbog poteškoća vezanih za rad [13].…”

Section: Diskusijaunclassified

Work related muskuloskeletal disorders among dentists at the university dental clinic in Skopje

Rendzova¹,

Apostolska²,

Eftimoska³

et al. 2018

Stomatoloski Glasnik Srbije

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Summary Introduction Musculoskeletal disorders (MSDs) are one of the most common types of work-related diseases that affect health workers, especially dentists. The aim of our study was to examine the presence of musculoskeletal disorders among dentists at the university dental clinic in correlation with risk factors. Materials and methods A questionnaire survey was carried out among 78 dental practitioners aged between 20 to 60 years old, employed at the university dental clinic. Questions included data on physical and psychosocial workload, perceived general health and occurrence of musculoskeletal complaints in the past 12 months, chronic complaints, frequency and length of breaks, exercising habits as well as medical care seeking. Results Pain in the back, neck and shoulders (84.6% / 85.9%) was the most common complaint among the majority of respondents, while reduced range of movement was noticed among significantly fewer subjects, mostly between 40-60 years of age. Prolonged statistic position was considered to be one of the main causes of MSDs (82.05%) while 73.08% of respondents stated at least two more reasons beside this one. Conclusion The percentage of MSDs prevalence among dentists in public health sector is high. More extensive surveys should be undertaken to cover larger group of dentists from both private and public sector, in order to obtain complete analysis of the prevalence of occupational disorders in our country.

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“…Many ergonomic and preventive strategies have been recommended to avoid these common MSDs, such as: reducing work time and fatigue [7]; limiting the workspace [8]; alternating between standing and sitting time [9]; working with dental assistants [10]; increasing physical activity and stretching [10,11]; and the use of different ergonomic supports, such as the ergonomic stool and magnification lenses [12,13,14,15].…”

Section: Introductionmentioning

confidence: 99%

The Combination of Different Ergonomic Supports during Dental Procedures Reduces the Muscle Activity of the Neck and Shoulder

García-Vidal

López-Nicolás

Sánchez-Sobrado

et al. 2019

JCM

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Ergonomic supports have become popular for the prevention of musculoskeletal disorders. This study sought to evaluate the efficacy of different ergonomic supports and their combination to reduce muscle activity of the neck and shoulder muscles. A one-way repeated measures design was used to evaluate 36 practicing dentists while they performed three posterior composite restoration procedures on a phantom head. Portable surface electromyography (sEMG) recordings were used to measure the muscle activity of three muscles (Upper Trapezius, Lateral Deltoid and Anterior Deltoid) in the dominant upper extremity, with and without the use of different ergonomic supports (ergonomic stool, magnification lenses and both) during the performance of these tasks. A repeated measures analysis of variance was used. The muscle activity of all muscles differed significantly across the four ergonomic conditions during the three tasks. The use of ergonomic supports such as magnification lenses, the ergonomic stool, or the combination of both, is effective for decreasing the muscle activity of the three muscles during the three tasks, when compared to standard practice. In addition, the decrease of muscle activity was higher using magnification lenses when compared to the ergonomic stool. Furthermore, the greatest decrease was found with the combination of both supports.

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Ergonomics work analysis applied to dentistry - a Brazilian case study

Cited by 18 publications

References 20 publications

Ergonomic risk and preventive measures of musculoskeletal disorders in the dentistry environment: an umbrella review

Ergonomic risk and preventive measures of musculoskeletal disorders in the dentistry environment: an umbrella review

Work related muskuloskeletal disorders among dentists at the university dental clinic in Skopje

The Combination of Different Ergonomic Supports during Dental Procedures Reduces the Muscle Activity of the Neck and Shoulder

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