Postural and Muscle Fatigue Analysis of Endodontic Residents

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

10 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-04-30

Study Completion Date

2025-11-01

Brief Summary

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Musculoskeletal disorders (MSDs) are a significant occupational health problem for dentists and have been linked to a decline in quality of life, often leading to stress-related illnesses and early retirement. Poor posture, poor movement or imbalances in the neck or shoulders can lead to the three most common pain syndromes in dentistry. The objectives of this study were to evaluate the working position adopted during an endodontic procedure and to determine the perception of symptoms of musculoskeletal disorders in first and second year students of the Master in Advanced Endodontics at the European University of Madrid (UEM), using the standardised Nordic Kuorinka questionnaire supplemented by a form with socio-demographic variables. This study has a descriptive cross-sectional observational design and included 10 students selected by convenience sampling. A video camera was used to record the procedures from three different angles for a maximum of 5 minutes. The information was processed using Microsoft Excel spreadsheet software, and the video recordings were assessed using Rodgers' Muscular Fatigue Analysis (RMFA) and Rapid Upper Limb Assessment (RULA).

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Detailed Description

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The unit of analysis for this study consisted of the first and second year students of the Master's in Endodontics programme at the European University of Madrid (UEM) who completed the two years of annual clinical practice during the years 2022/24. A total of 10 students were enrolled over the two years of training, treating 30 patients (3 patients per student) in the first year and another 30 patients in the second year (for a total of 22 months). A video camera was used to record the procedures from three different angles for a maximum of 5 minutes (two side views - right and left - and one frontal view) on different patients, following the National Institute for Occupational Safety and Health (NIOSH) Protocol for Video Recording for Job Analysis and Risk Assessment. The selected endodontic procedure focused exclusively on upper or lower first molars during the opening and ultrasonic search for the fourth canal in upper first molars or the search for the mesiobuccal canal in lower first molars. The standardised Nordic Kuorinka Musculoskeletal Symptom Perception Questionnaire was used as the measuring instrument. Questionnaire data were collected using a spreadsheet program (Microsoft Excel).

Conditions

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Musculoskeletal System Disease Position Sense Disorders Symptoms and Signs Postural; Defect Endodontic Disease

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

OTHER

Study Groups

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Group 1

1st Year Students

No interventions assigned to this group

Group 2

2nd year students

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

\- Students of the Master's Degree in Endodontics of the European University of Madrid (UEM), who have completed the two years of the annual teaching period of clinical practice.

Exclusion Criteria

* Subjects previously diagnosed with a musculoskeletal disorder.
* Subjects who had suffered previous trauma affecting the musculoskeletal system.
* Pregnant women in their third trimester.
* Subjects who refused to participate.

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes