Musical Intervention for Dental Anxiety

NCT ID: NCT07240233

Last Updated: 2025-12-04

Basic Information

• Recruitment Status: ENROLLING_BY_INVITATION
• Clinical Phase: NA
• Total Enrollment: 60 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2025-11-17
• Study Completion Date: 2027-04-30

Brief Summary

The goal of this clinical trial is to learn if listening to music during dental procedures lowers anxiety in adults. The main questions it aims to answer are: does music during the procedure lower dental anxiety, and does wearing headphones without audio to reduce ambient noise also lower dental anxiety. Researchers will compare three groups to see these effects: music via headphones, headphones without audio, and standard care without headphones or music.

Participants will:

• Complete a short anxiety questionnaire before the dental procedure.
• Receive one of the three approaches during the procedure: music via headphones, headphones without audio, or no headphones/music.
• Complete a short anxiety questionnaire after the dental procedure.

Detailed Description

Design and setting This study is a randomized, parallel-group clinical trial conducted in a dental clinic setting, evaluating two non-pharmacological auditory strategies versus standard care for reducing state anxiety during routine dental procedures in adults. Participants are randomized in a 1:1:1 ratio to: music via headphones during the procedure; headphones worn without audio to attenuate ambient noise; or standard care with no headphones or music. State anxiety is measured immediately before and after the clinical encounter to estimate within-person change and between-group differences

Participants Adults receiving dental care at a university-affiliated clinic are approached at chairside prior to seating for eligibility screening and consent. Inclusion criteria include legal age and ability to complete self-report measures independently; key exclusions include hearing impairment or hearing aids, sedative medication use prior to the visit, cognitive impairment limiting informed consent, or refusal to consent. Recruitment occurs consecutively during routine clinical sessions to enhance generalizability to real-world practice.

Interventions

• Music via headphones: participants wear wireless, supra-aural headphones delivering a standardized playlist of classical and baroque pieces (fixed sequence, ~3-hour list; actual exposure limited to visit length). Communication needs are accommodated by temporarily removing headphones when signaled; patients are instructed to raise the left hand to request interaction or report discomfort; headphones may be removed for imaging or clinical needs.
• Headphones without audio: participants wear the same model headphones with no audio to provide passive attenuation of ambient noise; clinical communication procedures mirror the music arm.
• Standard care: no headphones or music; routine dental care proceeds per usual practice.

Equipment and hygiene Wireless supra-aural Bluetooth 5.0 headphones with padded cushions are used to maximize comfort and passive noise isolation and to avoid cable interference with dental equipment. After each session, headphones are disinfected using 70% isopropyl alcohol wipes on all skin-contact surfaces and allowed to dry before reuse, following basic device-compatible infection control practices.

Outcomes and timing State dental anxiety and general state anxiety are assessed immediately pre-procedure and post-procedure using validated self-report instruments routinely used in dental anxiety research; higher scores indicate greater anxiety, and change scores (post minus pre) are the primary comparisons across arms. Pre-procedure sociodemographic and screening items characterize the sample and capture potential confounders (for example, psychotropic use, prior psychiatric diagnosis, prior anxiety crises in dental settings).

Randomization and masking Allocation to the three arms uses simple random assignment at participant level prior to the start of the procedure; outcome assessors use standardized, self-administered questionnaires to minimize assessor influence, but masking of participants and providers is not feasible due to the nature of the interventions. Analyses will follow the intention-to-treat principle, with sensitivity analyses as needed for protocol deviations.

Data handling and analysis Data are captured into a secured database for statistical analysis using standard software; descriptive statistics summarize the sample and visit characteristics (for example, procedure type and duration). The main analysis compares anxiety change across arms using repeated-measures multivariate methods to test group, time, and group-by-time interaction effects, which can increase power by accounting for within-person correlation and simultaneous outcomes when applicable. Planned covariates include procedure category (for example, emergency care, diagnosis/planning, preventive, restorative, endodontic, surgery/extraction, orthodontics, periodontics, oral rehabilitation) and prior dental anxiety history to address clinical heterogeneity.

Participant safety and ethics Participants may pause or stop the music or withdraw from the study at any time without impact on clinical care; any discomfort related to the use of headphones triggers immediate suspension of the intervention and clinical reassessment. Headphone volume is kept at a safe listening level to mitigate auditory risk, and all adverse events are recorded and managed per clinic policy. The study protocol has obtain ethics committee approval prior to enrollment, and all participants provide written informed consent; data are pseudonymized, stored on secure, access-restricted platforms, and managed to protect privacy and confidentiality.

Conditions

Dental Anxiety

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: SUPPORTIVE_CARE
• Blinding Strategy: NONE

Study Groups

Music via headphones

Participants wear wireless, supra-aural headphones delivering a standardized playlist of classical and baroque pieces

Group Type: EXPERIMENTAL

Music via headphones

Intervention Type: OTHER

Wear wireless, supra-aural headphones delivering a standardized playlist of classical and baroque pieces

Headphones without audio

Participants wear the same model headphones with no audio to provide passive attenuation of ambient noise

Group Type: ACTIVE_COMPARATOR

Headphones without audio

Intervention Type: OTHER

wear the same model headphones with no audio to provide passive attenuation of ambient noise

Standard care

no headphones or music; routine dental care proceeds per usual practice

Group Type: NO_INTERVENTION

No interventions assigned to this group

Interventions

Music via headphones

Wear wireless, supra-aural headphones delivering a standardized playlist of classical and baroque pieces

Intervention Type: OTHER

Headphones without audio

wear the same model headphones with no audio to provide passive attenuation of ambient noise

Intervention Type: OTHER

Eligibility Criteria

Inclusion Criteria

• Adults receiving care at the university-affiliated dental clinic, legally able to consent and willing to participate voluntarily.
• Ability to read and independently complete brief self-report questionnaires before and after the visit.

Exclusion Criteria

• Self-reported hearing impairment, current use of hearing aids, or other auditory conditions that interfere with safe headphone use or outcome validity.
• Use of sedative medication prior to the visit for the current appointment, or acute intoxication that may alter anxiety ratings.
• Cognitive impairment or other condition that limits capacity to provide informed consent or to complete study questionnaires reliably.
• Unwillingness to wear headphones during the procedure if randomized to a headphone arm, or refusal to participate/withdrawal of consent at any time.
• Any urgent clinical indication that, in the clinician's judgment, precludes headphone use (for example, need for uninterrupted verbal interaction or imaging incompatible with wearing the device).
• Reported history of severe adverse reactions to headphone use (for example, marked discomfort, vertigo) or skin sensitivity incompatible with device contact points.
• Inability to protect privacy or comply with basic study procedures (for example, cannot complete pre- and post-visit questionnaires within the clinic workflow)

• Minimum Eligible Age: 18 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Egas Moniz - Cooperativa de Ensino Superior, CRL

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Locations

Egas Moniz School of Health and Science

Almada, , Portugal

Countries

Portugal

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Other Identifiers

NP110925

Identifier Type: -

Identifier Source: org_study_id