UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000059291
Receipt number R000067776
Scientific Title Effectiveness of Virtual Reality Dental Hypnosis in Lowering Dental Anxiety: Brain Wave Analysis Using EEG
Date of disclosure of the study information 2025/10/05
Last modified on 2025/10/05 09:28:35

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Basic information

Public title

Virtual Reality Dental Hypnosis for Reducing Dental Anxiety in Military Patients

Acronym

VRDH

Scientific Title

Effectiveness of Virtual Reality Dental Hypnosis in Lowering Dental Anxiety: Brain Wave Analysis Using EEG

Scientific Title:Acronym

Effectiveness of Virtual Reality Dental Hypnosis in Lowering Dental Anxiety: Brain Wave Analysis Using EEG

Region

Asia(except Japan)


Condition

Condition

Dental anxiety (ICD-10 F40.2)

Classification by specialty

Dental medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effectiveness of Virtual Reality Dental Hypnosis (VRDH) in reducing dental anxiety and modulating brain activity measured by EEG compared with conventional VR distraction.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Change in EEG alpha and theta wave amplitude during and after VRDH intervention compared to control VR (Time frame: baseline, intervention, post-intervention).

Key secondary outcomes

1) Change in Modified Dental Anxiety Scale (MDAS) score (baseline to post-intervention) 2) Change in Galvanic Skin Response (GSR) values (baseline to post-intervention)


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment Behavior,custom Maneuver

Interventions/Control_1

Group 1 received EEG treatment during a Virtual Reality Distraction Hypnosis (VRDH) session. The session was composed of 7 seconds of hypnotic content and 3 seconds of VR presentation.

Interventions/Control_2

Group 2 was given a VR intervention with no hypnotic content, but of equal length.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

58 years-old >=

Gender

Male and Female

Key inclusion criteria

1) Navy soldiers (male or female) who will receive tooth extraction. 
2) Aged 20 - 58 years old. 
3) Have a tooth that meets the indications for regular extraction in the absence of periodontal abnormalities 
4) Have a medium (9-12) or high (13-14) SADT score 
5) Willing to be a research subject by signing a letter of consent in the informed consent form.

Key exclusion criteria

1) Patients with dental phobia (SADT > 25) 
2) Female patients who are pregnant, using oral contraceptives and in menstrual cycle 
3) Patients using inhaled steroids 
4) Patients using any medication that can affect the salivary glands (antihypertensive drugs, antidepressant drugs, antipsychotic drugs) 
5) Patients with a history of systemic diseases, endocrine and metabolic diseases and blood deficiencies 
6) Patients undergoing corticosteroid and hormonal therapy 
7) Patients who have habits that can reduce salivary volume, such as smoking. 
8) Patients with xerostomia 
9) Patients with drug or alcohol abuse 
10) Patients with abnormal psychological development

Target sample size

22


Research contact person

Name of lead principal investigator

1st name Gilang
Middle name
Last name Yubiliana

Organization

Faculty of Dentistry, Universitas Padjadjaran

Division name

Department of Dental Public Health

Zip code

45363

Address

 Hegarmanah, Kec. Jatinangor, Kabupaten Sumedang, Jawa Barat 45363

TEL

0222504985

Email

gilang.yubiliana@unpad.ac.id


Public contact

Name of contact person

1st name Gilang
Middle name
Last name Yubilianan

Organization

Faculty of Dentistry, Universitas Padjadjaran

Division name

Department of Dental Public Health

Zip code

45363

Address

 Hegarmanah, Kec. Jatinangor, Kabupaten Sumedang, Jawa Barat 45363

TEL

0222504985

Homepage URL

https://www.fkg.unpad.ac.id

Email

gilang.yubiliana@unpad.ac.id


Sponsor or person

Institute

Padjadjaran University

Institute

Department

Personal name

Gilang Yubiliana


Funding Source

Organization

Padjadjaran University Research Grant (RKDU) from 2023

Organization

Division

Category of Funding Organization

Outside Japan

Nationality of Funding Organization

Indonesia


Other related organizations

Co-sponsor

RS TNI AL Dr. Mintohardjo, Jakarta; Department of Physics, Universitas Padjadjaran; Department of Computer Science, Universitas Padjadjaran; SeGi University & Colleges, Malaysia;

Name of secondary funder(s)

none


IRB Contact (For public release)

Organization

Ethics Committee of Dr. Mintohardjo Naval Hospital

Address

Jl. Bendungan Hilir No.17, Central Jakarta, Indonesia

Tel

0215703081

Email

diklat.rsmth@gmail.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

RS TNI AL Dr. Mintohardjo, Jakarta, Indonesia


Other administrative information

Date of disclosure of the study information

2025 Year 10 Month 05 Day


Related information

URL releasing protocol

Ethics Committee of Dr. Mintohardjo Naval Hospital Jakarta (number B/21/EC/LKS/IV/2023).

Publication of results

Unpublished


Result

URL related to results and publications

Ethics Committee of Dr. Mintohardjo Naval Hospital Jakarta number B/21/EC/LKS/IV/2023).

Number of participants that the trial has enrolled

22

Results

Manuscript under internal review, titled Effectiveness of Virtual Reality Dental Hypnosis in Lowering Dental Anxiety: Brain Wave Analysis Using EEG.

Results date posted

2025 Year 10 Month 05 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

A total of 22 military dental patients aged 20-58 years were enrolled. No statistically significant difference between groups for age, sex, or military rank .

Participant flow

We conducted a parallel-group randomized clinical trial with two intervention groups. A precursor phase involving 65 potential participants was conducted, which aimed to obtain baseline information on the number of patients reporting moderate-to-severe levels of dental anxiety at the TNI-AL Health Service Facilities. Dental anxiety was recorded both objectively through the Galvanic Skin Response (GSR) and subjectively using the Indonesian version of the Modified Dental Anxiety Scale (MDAS). Demographic patient data were collected during this stage, including age, sex, military rank, unit assignment, history of unpleasant dental experiences, and previous tooth extractions. An instrument validation test was also conducted to ensure that all measurement instruments used were reliable and valid. The instruments utilized for screening were the SADT to evaluate anxiety and a modified GSR to track physical signs of anxiety. This phase also showed the dental anxiety levels of the patient population (low to high) who visited the TNI-AL health clinics. Patients whose criteria matched the set criteria were recruited into the study and received comprehensive information about all study phases. Participants who understood and agreed to take part fully were requested to sign a form of informed consent. Of the original 65 subjects, 43 were excluded owing to failure to meet the inclusion and exclusion criteria, resulting in 22 eligible participants. These volunteers (20-58-year-old navy personnel with teeth scheduled for extraction in the absence of periodontal pathology and with moderate-to-high SADT scores (9-14)) were randomly divided into two groups (Group 1 and Group 2, n=11 per group).

Adverse events

None reported during or after intervention.

Outcome measures

Primary outcome: Changes in EEG alpha and theta power during and after intervention. Secondary outcomes: Changes in Modified Dental Anxiety Scale (MDAS) and Galvanic Skin Response (GSR). The VRDH group showed increased alpha/theta power and decreased beta activity with corresponding reductions in MDAS and GSR scores.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Terminated

Date of protocol fixation

2023 Year 04 Month 01 Day

Date of IRB

2023 Year 04 Month 01 Day

Anticipated trial start date

2023 Year 04 Month 01 Day

Last follow-up date

2023 Year 12 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 10 Month 05 Day

Last modified on

2025 Year 10 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067776