Laser Assisted Pulpotomy Versus MTA Pulpotomy in Permanent Teeth With Irreversible Pulpitis

August 8, 2026 updated by: Nessrin Taha, King Abdullah University Hospital

Comparative Evaluation of Diode Laser-Assisted Pulpotomy Versus MTA Pulpotomy in Permanent Teeth With Irreversible Pulpitis: A Randomized Clinical Trial

This study compares two methods used during full pulpotomy, a treatment for teeth with deep tooth decay that has exposed the dental pulp.

In the first method, the dentist removes the affected pulp tissue using a high-speed dental bur and then controls the bleeding using a sodium hypochlorite solution.

In the second method, the dentist also removes the affected pulp tissue using a high-speed dental bur, but a diode laser is used to control the bleeding. The laser may provide additional disinfection and achieve bleeding control more quickly.

After treatment, participants will be monitored to assess their level of pain relief. They will also return for follow-up visits at 6 months and 12 months, when dental X-rays will be taken to evaluate the success of the treatment.

Study Overview

Detailed Description

Vital pulp therapy (VPT) is a minimally invasive treatment that aims to preserve the vitality and function of the dental pulp after exposure caused by deep caries. Compared with root canal treatment, VPT preserves the remaining healthy pulp tissue, allowing the tooth to maintain its natural defense mechanisms and reparative capacity. Full pulpotomy has become an accepted treatment option for permanent teeth with carious pulp exposure when the radicular pulp is considered healthy and capable of healing. Clinical studies have demonstrated high success rates for full pulpotomy in appropriately selected cases.

Successful pulpotomy depends on adequate removal of the inflamed coronal pulp tissue, effective control of pulpal bleeding, reduction of bacterial contamination, and placement of a suitable biocompatible pulp-capping material. Conventionally, hemostasis is achieved using sodium hypochlorite following removal of the coronal pulp tissue with a high-speed bur. Although this technique has demonstrated favorable outcomes, alternative methods that may improve hemostasis and enhance tissue healing continue to be investigated.

Diode lasers have been increasingly used in dentistry for soft tissue procedures because of their ability to provide precise tissue interaction, coagulation, and effective hemostasis. In addition to controlling bleeding, diode lasers have antimicrobial properties and may promote wound healing through biostimulatory effects that support tissue repair and reparative dentin formation. These characteristics suggest that diode laser-assisted pulpotomy may offer clinical advantages over the conventional technique.

Despite the increasing use of diode lasers in dentistry, clinical evidence regarding their use in full pulpotomy of permanent teeth with carious pulp exposure remains limited. Most published studies have evaluated diode laser pulpotomy in primary teeth or animal models, and randomized clinical trials in permanent teeth are lacking.

This randomized clinical trial is designed to compare diode laser-assisted full pulpotomy with the conventional full pulpotomy technique in permanent teeth with carious pulp exposure. In both study groups, the coronal pulp tissue will be removed using a conventional high-speed bur. In the control group, hemostasis will be achieved using sodium hypochlorite. In the experimental group, a diode laser will be used to achieve hemostasis following pulp removal. The same pulp-capping material and definitive restoration protocol will be used in both groups to ensure that the method of achieving hemostasis is the primary variable under investigation.

Participants will be evaluated for postoperative pain following treatment. Clinical and radiographic outcomes will be assessed at 6 and 12 months to determine treatment success. The study aims to determine whether diode laser-assisted full pulpotomy provides clinical and radiographic outcomes comparable to or better than those of the conventional technique.

Study Type

Interventional

Enrollment (Estimated)

70

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Irbid, Jordan, 3030
        • Jordan University of Science and Technology

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • • Non -contributory medical history (SAI, II).

    • Premolar or Molar permanent tooth
    • Age range 10-60 years
    • Deep caries extending>= 2/3 of dentin or exposing the pulp on the radiograph
    • The tooth should give positive response to cold sensibility testing
    • Clinical diagnosis of irreversible pulpitis based on the symptoms and results of cold testing.
    • The tooth is restorable, probing pocket depth and mobility are within normal limits
    • No signs of pulpal necrosis including sinus tract or swelling

Exclusion Criteria:

  • Medically compromised patient.

    • Non-restorable tooth.
    • Signs of pulpal necrosis including sinus tract or swelling.
    • No enough bleeding after the pulpotomy procedure.
    • Inability to achieve hemostasis within 10 min after the pulpotomy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Full pulpotomy using diode laser for hemostasis
Diode laser used after the full pulpotomy to achieve hemostasis following cutting of the pulp tissue.
The use of diode laser to achieve hemostasis after cutting the coronal part of the pulp tissue which is present in the tooth crown, down to the level of the canal orifices.
Active Comparator: Full pulpotomy using sodium hypochlorite for hemostasis
The use of sodium hypochlorite to achieve hemostasis after cutting the pulp tissue to th level of root canal orifices
The use of Sodium hypochlorite to achieve hemostasis after full pulpotomy

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Postoperative pain after pulpotomy
Time Frame: One week after treatment
Postoperative pain will be assessed using an 11-point Numeric Rating Scale (NRS), where 0 indicates "no pain" and 10 indicates "the worst pain imaginable." Participants will record their pain intensity at the prespecified postoperative time points.
One week after treatment

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Success of pulpotomy
Time Frame: Six and 12 months after treatment
Clinical and radiographic success will be evaluated at the follow-up visits. Clinical success is defined as the absence of spontaneous pain, tenderness to percussion, swelling, sinus tract, pathological mobility, or other signs and symptoms indicating pulpal or periapical disease. Radiographic success is defined as the absence of periapical radiolucency, furcation involvement, external or internal root resorption, widening of the periodontal ligament space, or other radiographic evidence of treatment failure.
Six and 12 months after treatment

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Tooth survival
Time Frame: 12 months after treatment
Tooth survival will be defined as the percentage of treated teeth remaining in the mouth and functioning without extraction during the follow-up period, regardless of the radiographic findings as far as the tooth is asymptomatic.
12 months after treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Chair: Nessrin Taha, PhD, Jordan University of Science and Technology

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 23, 2025

Primary Completion (Estimated)

June 1, 2027

Study Completion (Estimated)

June 1, 2030

Study Registration Dates

First Submitted

August 5, 2026

First Submitted That Met QC Criteria

August 8, 2026

First Posted (Actual)

August 13, 2026

Study Record Updates

Last Update Posted (Actual)

August 13, 2026

Last Update Submitted That Met QC Criteria

August 8, 2026

Last Verified

August 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

Individual participant data will not be shared because of institutional data-sharing policies and the need to protect participant confidentiality.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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