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All Journal Crown: Journal of Dentistry and Health Research Sriwijaya Journal of Otorhinolaryngology
Indri Yani Septiana
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Biochemistry, Genetics & Molecular Biology Dentistry Health Professions Medicine & Pharmacology Neuroscience Public Health

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Evaluating Voice Quality and Pharyngeal Function in Professional Singers: A Cross-Sectional Study in Indonesia Indri Yani Septiana; Nur Diana; Eva Naritawati; Maximillian Wilson; Made Swastika
Sriwijaya Journal of Otorhinolaryngology Vol. 2 No. 1 (2024): Sriwijaya Journal of Otorhinolaryngology
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjorl.v1i2.93

Abstract

Introduction: Professional singers heavily rely on their vocal capabilities, necessitating a thorough understanding of the interplay between voice quality and pharyngeal function to maintain vocal health and prevent disorders. This study aimed to evaluate these aspects in professional singers in Indonesia. Methods: This cross-sectional study involved 30 professional singers (15 males, 15 females) aged 20-40 years from Jakarta, Indonesia. Voice quality was assessed using the GRBAS scale (Grade, Roughness, Breathiness, Asthenia, Strain) and acoustic analysis (fundamental frequency, jitter, shimmer, harmonics-to-noise ratio). Pharyngeal function was evaluated via videofluoroscopy, measuring pharyngeal constriction ratio (PCR) during swallowing and vowel phonation. Results: Most singers exhibited normal voice quality per the GRBAS scale. Acoustic analysis revealed significantly higher fundamental frequency in females (p<0.05). Jitter, shimmer, and harmonics-to-noise ratio were within the normal range for both genders. PCR values were significantly higher during vowel phonation than swallowing in both genders (p<0.05), indicating increased pharyngeal constriction during singing. Conclusion: Professional singers in this study demonstrated good voice quality and adapted pharyngeal function to meet singing demands. Higher PCR during phonation suggests specific pharyngeal muscle activation patterns for vocal production. Further research is needed to explore the long-term effects of singing on pharyngeal function and identify potential risk factors for voice disorders in Indonesian singers.
The Impact of 3D Printing Technology on the Accuracy and Efficiency of Dental Implant Placement: A Randomized Controlled Trial in Semarang, Indonesia Reisha Notonegoro; Oliva Azalia Putri; Michelle Birne; Syaifudin Syaifudin; Indri Yani Septiana
Crown: Journal of Dentistry and Health Research Vol. 1 No. 1 (2023): Crown: Journal of Dentistry and Health Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/crown.v1i1.52

Abstract

Introduction: Accurate and efficient dental implant placement is crucial for successful treatment outcomes. Traditional implant placement techniques rely on 2D imaging and freehand surgery, which can be associated with inaccuracies and prolonged surgical time. This study aimed to evaluate the impact of 3D printing technology, specifically the use of patient-specific surgical guides, on the accuracy and efficiency of dental implant placement in Semarang, Indonesia. Methods: This randomized controlled trial included 60 patients requiring a single dental implant in the posterior mandible. Participants were randomly assigned to either the control group (conventional freehand implant placement) or the experimental group (3D printed surgical guide-assisted implant placement). Primary outcome measures were implant placement accuracy (deviation from planned implant position) and surgical time. Secondary outcomes included postoperative pain, swelling, and patient satisfaction. Results: The use of 3D printed surgical guides significantly improved implant placement accuracy in all three dimensions (mesiodistal, buccolingual, and apicocoronal) compared to the freehand technique (p<0.001). Surgical time was also significantly reduced in the experimental group (p=0.02). There were no significant differences between the groups in terms of postoperative pain, swelling, or patient satisfaction. Conclusion: 3D printing technology significantly enhances the accuracy and efficiency of dental implant placement. The use of patient-specific surgical guides resulted in more precise implant positioning and reduced surgical time, contributing to improved treatment outcomes.
Co-Authors Eva Naritawati Made Swastika Maximillian Wilson Michelle Birne Nur Diana Oliva Azalia Putri Reisha Notonegoro Syaifudin