Effect of inferior alveolar and lingual nerve block anesthesia on acoustic voice quality and speech effort: A within-subject study.

IF 3.5 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Cansu Sahin, Ferit Bayram, Göksu Yılmaz, Gülçin Bilgin Göçmen, Ahmet Konrot
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引用次数: 0

Abstract

Background: Patients frequently report difficulty in speaking after inferior alveolar nerve block anesthesia (IANBA), primarily because of numbness in the tongue and lips. However, the objective impact of IANBA on speech and voice quality (VQ) remains unclear. The aim of this study was to evaluate the effects of IANBA on acoustic voice quality and speech articulation using objective measurements and subjective self-assessments.

Methods: Thirty-four adult patients undergoing IANBA were enrolled in a prospective study. Voice recordings were obtained before and after anesthesia. Objective assessments included acoustic voice parameters, speech articulation metrics, and formant analysis. Subjective speech effort was measured with the Borg Category-Ratio 10 scale.

Results: No statistically significant changes were found in acoustic VQ indexes, formant values, or speech articulation parameters after IANBA. However, participants reported a significant increase in perceived speech effort after anesthesia (P < .001), as measured by the Borg scale.

Conclusions: Whereas IANBA does not appear to have an impact on objective measures of speech or VQ, it increases the perceived effort required to speak. These findings highlight the need for clinicians to address patient concerns about speech changes after local anesthesia, even when objective alterations are minimal.

Practical implications: Although objective measures of voice and speech remain unaffected after IANBA, patients may perceive increased difficulty in articulation. Dentists and oral surgeons should acknowledge these perceptual effects, particularly when managing the care of people with speech-critical occupations or those prone to prolonged sensory disturbances such as paresthesia. The study was registered on ClinicalTrials.gov before enrolling the first participant (NCT05710484).

下牙槽和舌神经阻滞麻醉对声学语音质量和言语努力的影响:一项主题内研究。
背景:患者经常报告下牙槽神经阻滞麻醉(IANBA)后说话困难,主要是因为舌头和嘴唇麻木。然而,IANBA对语音和语音质量(VQ)的客观影响尚不清楚。本研究的目的是通过客观测量和主观自我评估来评估IANBA对声学语音质量和语音清晰度的影响。方法:34例接受IANBA治疗的成年患者被纳入前瞻性研究。麻醉前后分别录音。客观评估包括声学语音参数、语音清晰度指标和形成峰分析。主观言语努力用Borg分类-比率10量表进行测量。结果:经IANBA治疗后,声学VQ指标、形成峰值、语音发音参数均无明显变化。然而,参与者报告麻醉后感知语言努力显著增加(P < 0.001),通过Borg量表测量。结论:尽管IANBA似乎对言语或VQ的客观测量没有影响,但它增加了说话所需的感知努力。这些发现强调了临床医生需要解决局部麻醉后患者对语言变化的担忧,即使客观改变很小。实际意义:虽然IANBA后语音和言语的客观测量不受影响,但患者可能会感到发音困难增加。牙医和口腔外科医生应该认识到这些感知影响,特别是在管理照顾那些从事言语关键职业的人或那些容易出现长时间感觉障碍(如感觉异常)的人时。在招募第一名参与者(NCT05710484)之前,该研究已在ClinicalTrials.gov上注册。
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来源期刊
Journal of the American Dental Association
Journal of the American Dental Association 医学-牙科与口腔外科
CiteScore
5.30
自引率
10.30%
发文量
221
审稿时长
34 days
期刊介绍: There is not a single source or solution to help dentists in their quest for lifelong learning, improving dental practice, and dental well-being. JADA+, along with The Journal of the American Dental Association, is striving to do just that, bringing together practical content covering dentistry topics and procedures to help dentists—both general dentists and specialists—provide better patient care and improve oral health and well-being. This is a work in progress; as we add more content, covering more topics of interest, it will continue to expand, becoming an ever-more essential source of oral health knowledge.
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