Effect of Use of Calcium Hydroxide and Metformin Intracanal Medicament After NSRCT

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2/PHASE3

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-08-01

Study Completion Date

2025-01-01

Brief Summary

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Goal of this randomized clinical trial is evaluate the effect of Calcium Hydroxide and Metformin Intracanal Medicament on periapical healing after NSRCT. Population includes systemically healthy patient with radiographic evidence of apical periodontitis PAI score more then 3 will be recruited . Outcome will be assessed using periapical index scoring system at 6 and 12 months follow up period.

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Detailed Description

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AIM: To compare the efficacy of calcium hydroxide and metformin intracanal medicaments in healing of apical periodontitis in mature permanent mandibular molars. Objectives Primary objective: To determine the effect of calcium hydroxide and metformin intracanal medicaments on healing of apical periodontitis in mature permanent mandibular molars using periapical index (PAI) score. Secondary objective: assess postoperative pain after chemo mechanical preparation and intracanal dressing of calcium hydroxide or metformin using visual analogue scale (VAS)

Clinical procedure Mature permanent mandibular teeth with diagnosis of apical periodontitis (as confirmed clinically \& by periapical radiograph) will be chosen for the study. 17 Patients will be randomly allocated to either of the two groups- Group A (calcium hydroxide), Group B (Metformin). The tooth will be anesthetized using 2% lidocaine with 1:100000 adrenaline followed by rubber dam isolation. Caries excavation will be done and access cavity will be made. Coronal flaring \& enlargement will be performed with rotary NiTi orifice enlargers to obtain straight -line access to the apical third of each root. Hand files No. 10, 15 and 20 will be used till working length (WL) to prepare a smooth reproducible glide path Working length will be obtained with the help of electronic apex locator (Root ZX) and confirmed radiographically. Canals will be then prepared using the Crown down technique with rotary instruments.

5ml of 5.25% sodium hypochlorite is used as irrigate after each instrument. After completion of canal instrumentation, all canal will be irrigated with 17% ethylenediamine-tetra acetic acid for 1 minute followed by a final irrigation with 5.0 ml of 5.25% sodium hypochlorite. Patency will maintained by placing a 10 k file 1 mm beyond the apical foramen after each instrument change. Canals will be dried with absorbent paper points and filled with a Calcium hydroxide with propylene glycol in control group A and will be filled with 1% Metformin with propylene glycol in control group B .Both paste will be paced in canal by lentulospiral and the access cavity restored with intermediate restorative material (IRM). The patient will be recalled after 1 week and evaluated for post operative pain.

At the next appointment, the paste will be removed with H- files and copious irrigation with 5.25% NaOCl; and dried with paper points. Canals will be obturated with the Gutta Percha and Zinc Oxide- Eugenol based sealer.

After obturation, the cavity will be restored . Immediate postoperative radiograph will then be taken. Follow up clinical and radiographic examinations will be carried out at 6 month \& 12 month period.

Conditions

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Apical Periodontitis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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calcium hydroxide group

Calcium hydroxide is mixed with propylene glycol

Group Type NO_INTERVENTION

No interventions assigned to this group

metformin group

metformin mixed with propylene glycol

Group Type EXPERIMENTAL

Metformin

Intervention Type DRUG

Metformin mixed with propylene glycol

Interventions

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Metformin

Metformin mixed with propylene glycol

Intervention Type DRUG

Other Intervention Names

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MF

Eligibility Criteria

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Inclusion Criteria

1. Mature permanent mandibular molar with necrotic pulp (absence of response to cold and electric pulp tester) and apical periodontitis requiring primary root canal treatment with radiographic evidence of periapical radiolucency (periapical index score ≥ 3).
2. Age - Above 18 years
3. Non-contributory medical history (ASA 1)
4. Periodontally healthy tooth (probing depth \<4mm)

Exclusion Criteria

1. Patients who do not provide authorization for participation in the study
2. History of analgesic intake in the previous 1 week, or antibiotic intake in 1 month
3. Mandibular molar with no opposing teeth.
4. Patients whose tooth had been previously accessed or endodontically treated.
5. Patient on systemic MF or medication that interfere periapical healing
6. Presence of bleeding on opening of pulp chamber.
7. Diabetic, immunocompromised and pregnant patient.
8. Teeth with cracks, fracture, internal and external resorption.
9. Any medications that alter bone metabolism such as, immunosuppressive drugs, corticosteroids, hormone replacement therapy ,selective serotonin reuptake inhibitors, intravenous bisphosphonates, and/or antiresorptive treatment.

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes