NCT07800403

Brief Summary

The ultimate biological aim of endodontic therapy is to either prevent or heal apical periodontitis. Root canal treatment can fail for various reasons, such as persistent infection, missing canals, ledges, canal transportation, instrument separation, and perforation. Post-treatment apical periodontitis is an inflammatory response in the tissues surrounding the root tip, triggered by either lingering bacteria from the initial procedure or a new, secondary infection within the canal system. Statistically, this condition affects roughly 5% to 20% of cases where apical periodontitis was present before the initial treatment.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
28

participants targeted

Target at below P25 for not_applicable

Timeline
9mo left

Started Jul 2026

Geographic Reach
1 country

1 active site

Status
recruiting

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

Study Progress23%
Jul 2026Jul 2027

Study Start

First participant enrolled

July 14, 2026

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

August 29, 2026

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 2, 2026

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 7, 2027

Expected
7 days until next milestone

Study Completion

Last participant's last visit for all outcomes

July 14, 2027

Last Updated

September 2, 2026

Status Verified

July 1, 2026

Enrollment Period

12 months

First QC Date

August 29, 2026

Last Update Submit

August 29, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Post Operative Pain

    Evaluation of the cases from the pain after the procedures by using point numeric rating scale by another operator at 24, 48 and 72-hours.

    from 24 hours to 72 hours after the procedures

Study Arms (2)

Non- surgical retreatment Novel Nanoparticle (NSRN)

ACTIVE COMPARATOR

About 14 cases will be irrigated with 5 ml of Novel Nanoparticle -Augmented irrigation placed in the root canal and activated passively with woodpecker ultrasonic (Guilin Woodpecker Medical Instrument Co., Ltd., China) for 3 cycle 20 seconds.

Procedure: Novel Nanoparticle

Non -surgical root canal retreatment (NSRC)

ACTIVE COMPARATOR

About 14 cases will be irrigated with 5 ml of (2.5%) NaOCl placed in the root canal and activated passively with woodpecker ultrasonic scaler (Guilin Woodpecker Medical Instrument Co., Ltd., China) for 3 cycle 20 seconds.

Procedure: Novel Nanoparticle

Interventions

To evaluate efficacy of a Novel Nanoparticle -Augmented Disinfection Protocol in the Non -Surgical Retreatment of Maxillary Anterior Teeth with Periapical Lesions in Type II Diabetic Patients

Also known as: Non -Surgical Retreatment of Maxillary Anterior Teeth
Non -surgical root canal retreatment (NSRC)Non- surgical retreatment Novel Nanoparticle (NSRN)

Eligibility Criteria

Age18 Years - 40 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Diabetic patients type II of either gender aged from 18-40 years
  • Permanent mature Maxillary anterior teeth having a baseline periapical lesion (PAI score ≥3).

You may not qualify if:

  • Immuno-compromised patients.
  • Pregnant women and smokers.
  • Patients with a history of antibiotic or analgesics intake within the few days before the endodontic treatment.
  • Teeth with root fractures or perforations.
  • Teeth with lesions connected to adjacent teeth.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Minia University, Faculty of Dentistry

Minya, Egypt

RECRUITING

MeSH Terms

Conditions

Pain, Postoperative

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsPainNeurologic ManifestationsSigns and Symptoms

Study Officials

  • Dalia Ali Ahmed Moukarab, Professor

    Professor of Endodontics Head of Endodontic Department,Faculty of Dentistry,Future University

    STUDY CHAIR

Central Study Contacts

Ebthal Hamada Saleh, MSC

CONTACT

Dalia Ali Ahmed Moukarab, M.D

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant lecturer at Endodontics Department,Faculty of Dentistry

Study Record Dates

First Submitted

August 29, 2026

First Posted

September 2, 2026

Study Start

July 14, 2026

Primary Completion (Estimated)

July 7, 2027

Study Completion (Estimated)

July 14, 2027

Last Updated

September 2, 2026

Record last verified: 2026-07

Locations