NCT04924452

Brief Summary

The aim of the study is to assess the efficacy of a modified version of the behaviour management technique Latent inhibition in combination with Er:YAG laser for achieving reduction of dental anxiety in paediatric dental patients. The main objectives are to compare dental anxiety felt during the laser and conventional dental treatment. The outcomes will be dental anxiety assessment by a self-reported anxiety during treatment in both group as well as measurement of heart rate dynamics during the procedures.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
82

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Sep 2021

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 3, 2021

Completed
11 days until next milestone

First Posted

Study publicly available on registry

June 14, 2021

Completed
3 months until next milestone

Study Start

First participant enrolled

September 1, 2021

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2022

Completed
Last Updated

June 14, 2021

Status Verified

June 1, 2021

Enrollment Period

1 year

First QC Date

June 3, 2021

Last Update Submit

June 9, 2021

Conditions

Keywords

Er:YAG laseranxietymanagement techniquepaediatric dentistry

Outcome Measures

Primary Outcomes (1)

  • self-report dental anxiety on a modified version of the self-report Faces Scale by LeBaron

    The scale comprises a row of five faces ranging from 'relaxed' to 'very worried' in combination with a visual analog scale of 0 - 10. Each child was asked to point to the face or choose the number which most closely depicted its state of anxiety.

    Immediately after the dental treatment

Secondary Outcomes (1)

  • Heart rate

    start: in the waiting room, at least 5 minutes before the dental treatment. End: at least 5 minutes after the dental treatment.

Study Arms (2)

Er:YAG laser therapy

EXPERIMENTAL

Er:YAG laser will be used for enamel conditioning of the occlusal surfaces of the permanent molars before sealant application as well as the standardized caries treatment.

Procedure: Laser conditioning and Sealant applicationDevice: Er:YAG laser therapy

Conventional therapy

ACTIVE COMPARATOR

Conventional rotary instruments will be used for caries treatment.

Procedure: Sealant applicationProcedure: Conventional therapy

Interventions

Sealant application protocol includes: a low-speed rubber cup and pumice paste (CleanPolish, Kerr) will be used for 30 seconds for cleaning and polishing of the occlusal surface of the chosen permanent molar; tooth surface will be washed for debris and organic residue removal and dried with air spray; isolation; laser conditioning of the occlusal enamel surface. The parameter settings used will be: tip-to-tissue distance 1.5mm from the tooth surface; tip diameter 600 µm; laser energy 70 mJ; pulse frequency 10 Hz; water spray level 8; average power 0.7 W; energy density 67 J/cm2; tooth surface will be etched with 35% phosphoric acid gel (Etching gel, DMP Ltd) for 30 seconds and rinsed for the same time; reisolation; tooth surface will be dried with air spray for 15s; fissure sealant application (Pit\&Fissure Sealant, DMP Ltd); light cured for 20 seconds.

Er:YAG laser therapy

Sealant application protocol includes: a low-speed rubber cup and pumice paste (CleanPolish, Kerr) will be used for 30 seconds for cleaning and polishing of the occlusal surface of the chosen permanent molar; tooth surface will be washed for debris and organic residue removal and dried with air spray; isolation; tooth surface will be etched with 35% phosphoric acid gel (Etching gel, DMP Ltd) for 30 seconds and rinsed for the same time; reisolation; tooth surface will be dried with air spray for 15s; fissure sealant application (Pit\&Fissure Sealant, DMP Ltd); light cured for 20 seconds.

Conventional therapy

Er:YAG laser (LiteTouch, Light Instruments LTD), emission wavelength 2940 nm will be used for caries removal - parameters: enamel removal - energy 100-200mJ; density 9.84-13.03 J/cm2, pulse frequency 20Hz; tip diameter 800 μm; water spray level 8; tip-to-tissue distance 0.5÷1 mm form the tooth surface; dentin removal - energy 100mJ; density 9.84 J/cm2, pulse frequency 20Hz; tip diameter 800 μm; water spray level 8; tip-to-tissue distance 0.5÷1 mm form the tooth surface. Restoration with compomer.

Er:YAG laser therapy

Conventional rotary instruments will be used for caries removal - high-speed and low-speed dental handpieces. Restoration with compomer.

Conventional therapy

Eligibility Criteria

Age6 Years - 12 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Participants in the study are children aged 6-12 years, compliant with the cognitive development of the child and the requirement for complete root development;
  • Children, requiring conservative treatment of occlusal carious lesions on a second primary molar, without spontaneous unprovoked pain, percussion or palpation pain or other symptoms, indicating pulp involvement or periodontal pathology. Lesions are classified as distinct cavity with visible dentin without prior restoration or sealants by the International Caries Detection and Assessment System (ICDAS) with code 05. Included are caries lesions only on vital teeth.
  • Children with one or more permanent molars giving indications for pit and fissure sealing;
  • Patients without previous experience with laser treatment of carious lesions;
  • Children who are not considered medically compromised or medically complex patients;
  • Verbal assent from the child willing to comply with all study procedures and protocol;
  • Obtained written informed consent by the patient's parent/guardian for participation in the study

You may not qualify if:

  • Patients who were undergoing therapy with neurological, sedative, analgesic, and/or anti-inflammatory drugs 7 days prior to treatment that might affect heart rate;
  • Children, who were first-time dental patients;
  • Children with systemic diseases or physiological development delays;
  • Children with mental or cognitive problems;
  • Present infectious diseases such as influenza, scarlet fever, etc.
  • Excluded are molars which are affected by disturbances in the development of dental structures (hypoplasia, hypomineralization, fluorosis)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Paediatric Dentistry, Faculty of Dental Medicine, Medical University - Plovdiv, Bulgaria

Plovdiv, 4000, Bulgaria

Location

Related Publications (1)

  • Belcheva A, Shindova M. Efficiency of ER:YAG laser therapy in combination with behaviour management technique in reducing anxiety among paediatric dental patients - a study protocol for a randomised clinical trial. BMJ Open. 2022 Sep 5;12(9):e054523. doi: 10.1136/bmjopen-2021-054523.

MeSH Terms

Conditions

Dental CariesBehaviorAnxiety Disorders

Condition Hierarchy (Ancestors)

Tooth DemineralizationTooth DiseasesStomatognathic DiseasesMental Disorders

Study Officials

  • Maria Shindova, PhD

    Medical University Plovdiv, Bulgaria

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Maria Shindova, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
The randomisation will be independent and the patients and parents/guardians will remain blinded to group status.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: randomized parallel-group controlled clinical study
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 3, 2021

First Posted

June 14, 2021

Study Start

September 1, 2021

Primary Completion

September 1, 2022

Study Completion

September 1, 2022

Last Updated

June 14, 2021

Record last verified: 2021-06

Data Sharing

IPD Sharing
Will not share

Locations