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Evaluation of Corticosteroid Administration Following Impacted Third Molar Surgery Using 3-Dimensional Facial Analysis

1. juni 2026 oppdatert av: Irfan Üstündağ

Local Submucosal Dexamethasone Versus Methylprednisolone for Pain and Three-Dimensional Facial Edema After Impacted Mandibular Third Molar Surgery: A Randomized Controlled Trial

The purpose of this prospective, randomized, controlled, single-blind clinical trial is to compare the efficacy of local submucosal administration of dexamethasone versus methylprednisolone on postoperative morbidity following impacted lower third molar surgery. The study evaluates postoperative pain using the Visual Analog Scale (VAS) and quantifies three-dimensional facial edema using a mobile smartphone-based scanning workflow (Qlone aligned in CloudCompare). Patients requiring unilateral extraction of fully bone-impacted mandibular third molars are randomly allocated into three parallel groups: Control (no injection), Methylprednisolone (40 mg), and Dexamethasone (8 mg).

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

Surgical extraction of impacted mandibular third molars routinely induces significant inflammatory sequelae, including pain, edema, and trismus, which substantially impair patient quality of life. Although local submucosal corticosteroid delivery is a well-established adjunctive approach to minimize postoperative discomfort, head-to-head volumetric comparisons using three-dimensional facial analysis workflows remain limited. This clinical trial implements a rigorous parallel design to isolate the anti-inflammatory efficacy of two widely utilized corticosteroids. Following a standardized surgical osteotomy and tooth removal performed by a single experienced surgeon, participants receive either a standardized 2 mL submucosal injection of 40 mg methylprednisolone sodium succinate, 8 mg dexamethasone sodium phosphate, or no injection at the distobuccal aspect of the adjacent second molar. Three-dimensional digital surface models are acquired preoperatively and longitudinally on postoperative days 3 and 7 to evaluate precise volumetric facial changes. Concurrently, subjective patient-reported pain kinetics are systematically dökümante edilmiştir via regular VAS recordings.

Studietype

Intervensjonell

Registrering (Faktiske)

60

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Tyrkia (Türkiye)
    • Malatya
      • Malatya, Malatya, Tyrkia (Türkiye), 44050
        • Inonu University, Faculty of Dentistry, Department of Oral and Maxillofacial Surgery

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen

Tar imot friske frivillige

Ja

Beskrivelse

Inclusion Criteria:

  • 1. Systemically healthy individuals classified as ASA I according to the American Society of Anesthesiologists.

    2. Patients between 18 and 35 years of age. 3. Presence of a unilateral, fully bone-impacted mandibular third molar with an indication for surgical extraction.

    4. Impacted teeth classified as Class II or III and Position B or C according to the Pell-Gregory classification system.

    5. Impacted teeth with mesioangular or vertical angulation based on Winter's classification.

    6. A moderate surgical difficulty level (score of 5 to 7) confirmed via the Pederson difficulty index.

    7. Competency to provide written informed consent and willingness to adhere to follow-up schedules.

Exclusion Criteria:

  • 1. Presence of any systemic disease or medical condition that contraindicates the use of systemic or local corticosteroids.

    2. Pregnancy or lactation. 3. Active pericoronitis, acute infection, or pathology (e.g., cysts, tumors) associated with the target third molar or adjacent structures.

    4. Use of antibiotics, systemic corticosteroids, or regular anti-inflammatory medications within the past 30 days prior to surgery.

    5. History of daily tobacco smoking within the past 6 months. 6. Known allergy or hypersensitivity to local anesthetics, dexamethasone, methylprednisolone, or the prescribed postoperative medications (amoxicillin, clavulanic acid, paracetamol, dexketoprofen).

    7. Inability to comply with the 3D facial scanning protocols or postoperative follow-up appointments.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Støttende omsorg
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Group 1: Control Group
Patients in this arm undergo the standardized surgical extraction of a fully bone-impacted mandibular third molar under local anesthesia. No local pharmacological adjuncts, sham injections, or submucosal applications of any corticosteroid or alternative therapeutic agents are administered following the completion of the tooth extraction and surgical debridement.
Fremgangsmåte: Surgical Extraction of Impacted Mandibular Third Molar
All patients in the study undergo a standardized surgical removal of a fully bone-impacted lower third molar performed by a single experienced surgeon. Under general anesthesia, a triangular flap is elevated, followed by conservative osteotomy and tooth division using rotary instruments under continuous sterile saline irrigation. After tooth delivery, the socket is thoroughly debrided, irrigated, and closed primarily using 3-0 silk sutures.
Andre navn:
  • Impacted third molar surgery
  • Mandibular third molar odontectomy
Aktiv komparator: Group 2: Methylprednisolone Group
Following the standardized surgical extraction of the impacted mandibular third molar, patients in this arm receive a local submucosal injection of 40 mg methylprednisolone sodium succinate (Prednol-L). The drug is reconstituted with its specific solvent to a final volume of 2 mL and slowly delivered directly into the adjacent mandibular mucobuccal fold.
Fremgangsmåte: Surgical Extraction of Impacted Mandibular Third Molar
All patients in the study undergo a standardized surgical removal of a fully bone-impacted lower third molar performed by a single experienced surgeon. Under general anesthesia, a triangular flap is elevated, followed by conservative osteotomy and tooth division using rotary instruments under continuous sterile saline irrigation. After tooth delivery, the socket is thoroughly debrided, irrigated, and closed primarily using 3-0 silk sutures.
Andre navn:
  • Impacted third molar surgery
  • Mandibular third molar odontectomy
Legemiddel: methylprednisolone sodium succinate
Immediately following the completion of the tooth extraction and before structural flap closure, a single local dose of 40 mg methylprednisolone sodium succinate is administered. The lyophilized powder is reconstituted with its commercial solvent to a final volume of 2 mL and injected slowly into the adjacent submucosal mucobuccal fold.
Andre navn:
  • Prednol-L
Aktiv komparator: Group 3: Dexamethasone Group
Following the standardized surgical extraction of the impacted mandibular third molar, patients in this arm receive a local submucosal injection of 8 mg/2 mL dexamethasone sodium phosphate (Dekort). The commercial solution is administered slowly in its ready-to-use form directly into the adjacent mucobuccal fold.
Fremgangsmåte: Surgical Extraction of Impacted Mandibular Third Molar
All patients in the study undergo a standardized surgical removal of a fully bone-impacted lower third molar performed by a single experienced surgeon. Under general anesthesia, a triangular flap is elevated, followed by conservative osteotomy and tooth division using rotary instruments under continuous sterile saline irrigation. After tooth delivery, the socket is thoroughly debrided, irrigated, and closed primarily using 3-0 silk sutures.
Andre navn:
  • Impacted third molar surgery
  • Mandibular third molar odontectomy
Legemiddel: Dexamethasone Sodium Phosphate Injection
Immediately following the completion of the tooth extraction and before structural flap closure, a single local dose of 8 mg/2 mL dexamethasone sodium phosphate is administered. The ready-to-use commercial solution is injected slowly directly into the adjacent submucosal mucobuccal fold.
Andre navn:
  • dekort

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Three-Dimensional Facial Edema
Tidsramme: Baseline (Preoperative) and Postoperative Day 3 and 7
Volumetric soft tissue swelling on the operated side is quantified in cubic millimeters (mm³). Facial edema is calculated via digital superimposition and surface alignment of Qlone mobile 3D scans in CloudCompare software using the root mean square (RMS) method relative to the baseline scan.
Baseline (Preoperative) and Postoperative Day 3 and 7

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Postoperative Pain Intensity via Visual Analog Scale
Tidsramme: Postoperative Days 1, 3, and 7
Patient-reported subjective pain intensity scored on a standard 10-cm horizontal Visual Analog Scale (VAS), where 0 centimeters indicates "no pain" and 10 centimeters indicates "unbearable/worst imaginable pain".
Postoperative Days 1, 3, and 7
Rescue Analgesic Consumption
Tidsramme: Up to 7 days postoperatively
The total number of rescue analgesic tablets (25 mg dexketoprofen trometamol) consumed by each participant for breakthrough postoperative pain management during the follow-up period.
Up to 7 days postoperatively

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Irfan Üstündağ

Etterforskere

  • Hovedetterforsker: irfan ustundag, dr.ogr.uyesi, inonu universitesi

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

2. mars 2026

Primær fullføring (Faktiske)

1. april 2026

Studiet fullført (Faktiske)

9. april 2026

Datoer for studieregistrering

Først innsendt

1. juni 2026

Først innsendt som oppfylte QC-kriteriene

1. juni 2026

Først lagt ut (Faktiske)

4. juni 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

4. juni 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

1. juni 2026

Sist bekreftet

1. juni 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • 2024-KAEK-08-3D

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

De-identified individual participant data underlying the results reported in the final manuscript (including demographic characteristics, baseline surgical parameters, 3D facial volumetric measurements, and pain VAS scores) will be made available to qualified researchers upon reasonable academic request.

IPD-delingstidsramme

The data will become available immediately following publication of the final manuscript and will remain accessible for up to 3 years.

Tilgangskriterier for IPD-deling

Data will be accessible to qualified clinical researchers upon submitting a scientifically sound research proposal. Requests should be directed via email to the corresponding author (dt.irfanustundag@gmail.com) and require a signed data use agreement.

IPD-deling Støtteinformasjonstype

  • STUDY_PROTOCOL
  • SEVJE
  • ICF

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

produkt produsert i og eksportert fra USA

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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