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Retreatment and Diabetes

25. juni 2026 opdateret af: Ipek Eraslan Akyuz, TC Erciyes University

The Effect of Nonsurgical Endodontic Retreatment on Postoperative Pain in Patients With Diabetes Mellitus: A Prospective Clinical Study

ABSTRACT This prospective, controlled, single-center clinical study aims to compare postoperative pain levels and analgesic consumption after nonsurgical endodontic retreatment in individuals with diabetes mellitus and systemically healthy individuals. In addition, the study aims to evaluate the relationship between HbA1c levels, type of antidiabetic medication, and postoperative pain within the diabetes mellitus group.

A total of 54 patients with single-rooted teeth requiring nonsurgical endodontic retreatment due to persistent endodontic problems following previous root canal treatment will be included. Participants will be allocated into two groups according to systemic status: a diabetes mellitus group and a systemically healthy control group, with 27 patients in each group.

All retreatment procedures will be performed by a single operator using a standardized clinical protocol. Previous root canal filling materials will be removed, root canals will be reshaped, irrigated according to a standardized irrigation protocol, and obturated using an epoxy resin-based root canal sealer and gutta-percha cones with the cold lateral condensation technique.

Postoperative pain will be assessed using a Visual Analog Scale at 6, 12, 24, and 48 hours after treatment and on postoperative days 3, 4, 5, 6, and 7. Analgesic consumption will be recorded at the same follow-up time points. Intergroup comparisons, changes in pain scores over time, and associations between HbA1c levels, antidiabetic medication type, and postoperative pain will be evaluated using appropriate statistical tests. The statistical significance level will be set at p < 0.05.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

50

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • Kayseri
      • Kayseri, Kayseri, Tyrkiet (Türkiye), 38039
        • Erciyes University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Inclusion Criteria:

Patients aged 18 to 60 years. Patients classified as medically healthy (ASA I) for the control group or as having diabetes mellitus (ASA II or ASA III) for the diabetes mellitus group.

Single-rooted, single-canal teeth with closed apices. Teeth with previous root canal treatment completed at least 4 years before enrollment.

Teeth with root canal filling ending 1 to 4 mm coronal to the radiographic apex.

Teeth diagnosed with asymptomatic apical periodontitis. Teeth with a periapical index score between 2 and 4. Teeth without pain on percussion or palpation. Teeth not requiring periodontal or prosthetic treatment. Teeth suitable for rubber dam isolation.

Exclusion Criteria:

Use of analgesics, antibiotics, or corticosteroids within the last 2 weeks before nonsurgical endodontic retreatment.

Teeth with periodontal attachment loss. Teeth with vertical root fracture, external root resorption, or perforation. Teeth with fractured prosthetic restorations. Non-restorable teeth. Patients with severe pain and/or acute apical abscess. Pregnant patients. Teeth with calcified root canals. Individuals considered unable to comply with treatment procedures because of intellectual disability, developmental delay, or advanced age.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Patient with Diabetes mellitus
root canal retreatment
Eksperimentel: Healty patient
root canal retreatment

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Postoperative pain intensity assessed using the 100-mm Visual Analog Scale (VAS)
Tidsramme: 6, 12, 24, and 48 hours after nonsurgical endodontic retreatment and on postoperative days 3, 4, 5, 6, and 7
Postoperative pain intensity will be assessed using a 100-mm Visual Analog Scale (VAS). The VAS ranges from 0 to 100 mm, where 0 indicates no pain and 100 indicates the worst imaginable pain. Higher scores indicate greater postoperative pain intensity. Pain will be recorded at each scheduled follow-up assessment.
6, 12, 24, and 48 hours after nonsurgical endodontic retreatment and on postoperative days 3, 4, 5, 6, and 7

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Analgesic consumption after nonsurgical endodontic retreatment
Tidsramme: 6, 12, 24, and 48 hours after treatment and on postoperative days 3, 4, 5, 6, and 7.
Analgesic consumption will be recorded at 6, 12, 24, and 48 hours after treatment and on postoperative days 3, 4, 5, 6, and 7. Participants will record each dose of 400 mg ibuprofen taken for postoperative pain. Higher values indicate greater analgesic consumption.
6, 12, 24, and 48 hours after treatment and on postoperative days 3, 4, 5, 6, and 7.
Association between HbA1c level and postoperative pain intensity
Tidsramme: HbA1c level assessed at baseline; postoperative pain assessed at 6, 12, 24, and 48 hours and on postoperative days 3, 4, 5, 6, and 7.
The association between glycated hemoglobin (HbA1c) levels and postoperative pain intensity measured using the 100-mm Visual Analog Scale (VAS) will be evaluated in participants with diabetes mellitus.
HbA1c level assessed at baseline; postoperative pain assessed at 6, 12, 24, and 48 hours and on postoperative days 3, 4, 5, 6, and 7.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. januar 2026

Primær færdiggørelse (Faktiske)

1. marts 2026

Studieafslutning (Faktiske)

1. april 2026

Datoer for studieregistrering

Først indsendt

12. juni 2026

Først indsendt, der opfyldte QC-kriterier

25. juni 2026

Først opslået (Faktiske)

1. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

1. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. juni 2026

Sidst verificeret

1. juni 2026

Mere information

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