An evaluation of the effect of wearing complete dentures on temporomandibular joint vibrations over time using the joint vibration analyzer

Aim: To evaluate the changes in temporomandibular joint (TMJ) vibrations after insertion of the complete denture in edentulous patients. Settings and Design: An observational in vivo study conducted to evaluate the changes in maximum mouth opening, total integrals, peak amplitude, and peak frequency...

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Bibliographic Details
Published in:The journal of Indian Prosthodontic Society 2023-01, Vol.23 (1), p.30-37
Main Authors: Vasavi, Majji, Ramaraju, Alluri, Sajjan, M, Rao, D, Manikyamba, Yenumula, Thorreti, V
Format: Article
Language:English
Subjects:
complete denture
Denture, Complete
Dentures
Female
Health aspects
Humans
joint vibration analysis
Male
Mechanical properties
Mouth
Mouth, Edentulous
Physiological aspects
Rhythms
Statistical analysis
Temporomandibular Joint
Temporomandibular Joint Disorders
vertical dimension
Vibration
Vibrations
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Summary:Aim: To evaluate the changes in temporomandibular joint (TMJ) vibrations after insertion of the complete denture in edentulous patients. Settings and Design: An observational in vivo study conducted to evaluate the changes in maximum mouth opening, total integrals, peak amplitude, and peak frequency in TMJ vibrations on the day of complete denture insertion and 6 months of follow up. Materials and Methods: Twenty patients (male: 12 and female: 8) were selected for the fabrication of balanced complete dentures following conventional procedure. Joint vibration analysis was recorded using the joint vibration analyzer. The patients were instructed to open as wide as possible and close to the intercuspal position with rhythmic speed following the metronome projected on the screen. The TMJ vibrations were amplified and displayed as waveforms in a graphical representation by system software. Statistical Analysis Used: Wilcoxon test. Results: A significant decrease in the total integral (P = 0.001) and peak amplitude (P = 0.044) for opening and closing movements of the left and right joints was observed. There was no significant change in maximum mouth opening (P = 0.624). A decrease in peak frequency was noted only at left opening movements between the day of insertion and at 6 months (P = 0.025). Conclusion: The function of TMJ mechanics was improved till 6 months after insertion of complete denture with balanced articulation (BA).
ISSN:0972-4052
1998-4057
DOI:10.4103/jips.jips_215_22