Comparative study of effectiveness of dental sound insulation system
Not Applicable
Recruiting
- Conditions
- Symptoms, signs and abnormal clinical and laboratory findings, NEC
- Registration Number
- KCT0006249
- Lead Sponsor
- Yonsei University Health System, Dental Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 75
Inclusion Criteria
Dentist
- Dentist in service between 30 and 60 years of age
- Those who work more than 30 hours per week
- Those without hearing-related diseases
-A person who has passed at least 3 years after obtaining a license
-Those who perform average preservation/prosthetics/periodontal procedures more than twice a day
-Full-time workers who work more than 4 days a week
Hospital worker
- Over 30 and under 60
- Those who work more than 30 hours per week
- Those without hearing-related diseases
Exclusion Criteria
Congenital hearing loss
Those who have been diagnosed with acquired hearing abnormality due to an accident or for a specific reason
A person with a history of using firearms
Persons using hearing aids
Study & Design
- Study Type
- Observational Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method PTA (Pure Tone Audiometry) test;DPOAE (Distortion Product OtoAcoustic Emission) test
- Secondary Outcome Measures
Name Time Method istening to questions about individual characteristics (age, occupation, working environment) and actual sound, and investigating the level of noise and discomfort for each earphone ;Subjective noise scale evaluation, hearing loss and tinnitus symptoms investigation, real-life hearing abnormality perception experience investigation