Dentine hypersensitivity is a common clinical problem. Although Nd:YAG lasers, diode lasers, and topical desensitizing agents are widely utilized, long-term comparative evidence regarding their clinical efficacy remains limited. This prospective, randomized, parallel-arm, evaluator-blind, sham-controlled clinical trial evaluated and compared the 12-month clinical performance of an Nd:YAG laser, a diode laser, a herbal propolis-based dentin barrier agent, and a sham application.
Who can participate
Age range
18 Years – 65 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Patients aged between 18 and 65 years.
* Presence of at least two hypersensitive teeth.
* Visual Analog Scale (VAS) score of 4 or higher (VAS \>= 4) following stimulus.
* Schiff Cold Air Sensitivity Scale score of 2 or higher (Schiff \>= 2).
* Presence of vital teeth in the target area.
* Patient is willing and able to provide written informed consent prior to study initiation.
Exclusion Criteria:
* Pregnancy or lactation.
* Presence of active periodontal disease in the target area.
* Teeth with dental caries, deep restorations, or cracked tooth syndrome.
* Endodontically treated teeth.
* History of allergy or hypersensitivity related to the materials, products, or chemical agents used in the study.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Change in Visual Analog Scale (VAS) Score after Air Stimulus