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Analysis of irradiation parameters and clinical efficacy of Er:YAG laser in treating dentine hypersensitivity caused by tooth wear

Analysis of irradiation parameters and clinical efficacy of Er:YAG laser in treating dentine hypersensitivity caused by tooth wear

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500097345
Enrollment
Unknown
Registered
2025-02-18
Start date
2023-07-31
Completion date
Unknown
Last updated
2025-02-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

dentin hypersensitivity

Interventions

A group:Gluma desensitizer treatment group
B group:Er:YAG laser (R02 handpiece, 0.5W irradiation power, 3cm irradiation distance, 20s/cm2 irradiation time) treatment group
C group:Er: YAG laser (R02 handpiece, 0.5W irradiation power, 2cm irradiation distance, 20s/cm2 irradiation time) treatment group
D group:Er: YAG laser (R14 hand tools, 0.5W)) irradiation power, 3cm irradiation distance, 20s/cm2 irradiation time) treatment group
E group:Er: YAG laser (R14 handpiece, 0.5W irradiation power, 2cm irradiation distance, 20s/cm2 irradiation time) treatment group

Sponsors

School of Stomatology, The Fourth Military Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Age >18 years old, male or female; (2) Patient has symptoms of dentin hypersensitivity due to tooth wear clearly, and the affected tooth has not received any conservative or prosthodontic therapy. (3) Patient has not used desensitizing toothpaste in the recent 3 months, has not received desensitization treatment with desensitizing agent in the recent 6 months, and has never received laser desensitization therapy; (4) The affected tooth has no obvious decay, fracture and other treatment, and no other dental treatment other than desensitization is required; (5) Patients must be able to read and accurately understand the consent forms and be willing to sign the informed consent.

Exclusion criteria

Exclusion criteria: (1) The affected tooth received periodontal scaling within 3 months or periodontal surgery within 6 months; (2) The patient has contraindications for laser therapy: pregnancy, lactation, tumor, mental disorders, hepatitis and other infectious diseases, systemic bleeding tendency or other blood system diseases, taking anticoagulants and photosensitive drugs, herpes virus infection and other history,and allergic to invisible light such as ultraviolet light; (3) Patients are not able to express their subjective feelings autonomously and accurately; (4) Patient has the chronic disease or condition associated with intermittent attacks or daily related pain; (5) Patients has severe systemic or psychological diseases; (6) The patient has enrolled in another clinical study; (7) Patients has a history of alcohol or drug addiction; (8) The patient is on medication that affects the sensory nerves or can affect the development of oral disease.

Design outcomes

Primary

MeasureTime frame
Pulp vitality;Sensitivity to tactile stimulus;Sensitivity to air blast stimulus;Sensitivity to cold stimulus;

Secondary

MeasureTime frame
Pulp cavity situation;Periapical situation;Root resorption situation;Periodontal ligament space situation;

Countries

China

Contacts

Public ContactQiang Li

Department of General Dentistry and Emergency, School of Stomatology, The Fourth Military Medical University

lqaq726@163.com+86 137 7215 4296

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026