Temporary auditory threshold shift following sophomore operative technique laboratory. 1980

D C Bowman, and L J Blanchet, and D B Doemling

Twenty sophomore dental students were studied for the "temporary threshold shift" (TTS) due to exposure to the noise of high-speed dental headpieces during technique laboratory sessions. TTS was experienced at all four frequencies tested--8000, 6000, 4000, and 3000 hertz, but tended to be greater and of longer duration at the higher frequencies. Approximately one-fourth of the students still had some hearing loss 15 minutes after leaving the laboratory.

UI MeSH Term Description Entries
D007754 Laboratories, Dental Facilities for the performance of services related to dental treatment but not done directly in the patient's mouth. Dental Laboratories,Dental Laboratory,Laboratory, Dental
D003754 Dental High-Speed Equipment Tools used in dentistry that operate at high rotation speeds. High Speed Dental Equipment,Dental High Speed Equipment,Dental High-Speed Equipments,Equipment, Dental High-Speed,Equipments, Dental High-Speed,High-Speed Equipment, Dental,High-Speed Equipments, Dental
D003814 Dentistry, Operative That phase of clinical dentistry concerned with the restoration of parts of existing teeth that are defective through disease, trauma, or abnormal development, to the state of normal function, health, and esthetics, including preventive, diagnostic, biological, mechanical, and therapeutic techniques, as well as material and instrument science and application. (Jablonski's Dictionary of Dentistry, 2d ed, p237) Operative Dentistry
D006317 Hearing Loss, Noise-Induced Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz. Acoustic Trauma,Hearing Loss, Noise Induced,Noise-Induced Hearing Loss
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001309 Auditory Threshold The audibility limit of discriminating sound intensity and pitch. Auditory Thresholds,Threshold, Auditory,Thresholds, Auditory
D013335 Students, Dental Individuals enrolled a school of dentistry or a formal educational program in leading to a degree in dentistry. Dental Student,Dental Students,Student, Dental

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