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Effects of Irrigation Solutions at Different Temperatures Used in Mandibular Third Molar Surgery

17. september 2026 oppdatert av: Sara SAMUR ERGÜVEN., Saglik Bilimleri Universitesi

A Comparison of the Effects of Irrigation Solutions at Different Temperatures Used in Oral Surgery on Postoperative Complications and Oral Health-Related Quality of Life

The present study aims to compare the effects of saline, chlorhexidine, and hydrogen peroxide irrigation solutions at different temperatures on postoperative complications, including pain, swelling, and mouth opening, as well as oral health-related quality of life, in patients undergoing surgical extraction of impacted mandibular third molars. The irrigation solutions will be applied immediately following surgical tooth extraction at temperatures of either 4°C or 25°C.

An a prior power analysis based on repeated-measures analysis of variance (Repeated Measures ANOVA, within-between interaction) was performed. An effect size of f = 0.25, a Type I error rate (α = 0.05), and a statistical power of 1 - β = 0.95 were assumed.

Based on the power analysis, a minimum of 11 participants per group was determined to be sufficient. Considering potential loss to follow-up and missing data, the sample size was increased by approximately 15%, and it was decided to enroll 13 participants in each group. Accordingly, the planned study will be conducted with a total of 78 participants allocated to six groups, and all participants will be evaluated at four different time points.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

The removal of mandibular third molars is among the most common procedures carried out in oral surgery. After extraction, patients often experience postoperative complications such as pain, swelling, and limited mouth opening. If these complications become more severe, they can negatively impact the patient's oral health-related quality of life.

In mandibular third molar surgery, following elevation of the soft tissue flap to gain access to the tooth, bone removal is performed using high-speed rotary instruments with continuous irrigation using physiological solutions . Following bone removal and exposure of the tooth, the extraction is performed. Subsequently, irrigation of the extraction socket with physiological saline or antiseptic solutions has been recommended. After socket irrigation and evaluation of the bony structures, the surgical site is sutured and postoperative instructions are provided to the patients.Although the aforementioned studies have demonstrated that socket irrigation may produce favorable postoperative outcomes, to the best of our knowledge, no study has evaluated the effectiveness of irrigation solutions used at different temperatures for socket irrigation.Therefore, the present study aims to compare the effects of saline, chlorhexidine, and hydrogen peroxide irrigation solutions at different temperatures on postoperative complications, including pain, swelling, and mouth opening, as well as oral health-related quality of life, in patients undergoing surgical extraction of impacted mandibular third molars. The irrigation solutions will be applied immediately following surgical tooth extraction at temperatures of either 4°C or 25°C.

The present study aims:

  1. To evaluate the effectiveness of 0.2% chlorhexidine gluconate and 1.5% hydrogen peroxide irrigation solutions at temperatures of 4°C or 25°C, compared with saline irrigation at the corresponding temperatures, on postoperative complications, including pain, mouth opening, and swelling, following mandibular third molar surgery.
  2. To evaluate the effectiveness of 0.2% chlorhexidine gluconate and 1.5% hydrogen peroxide irrigation solutions at temperatures of 4°C or 25°C, compared with saline irrigation at the corresponding temperatures, on oral health-related quality of life following mandibular third molar surgery.

Accordingly, the planned study will be conducted with a total of 78 participants allocated to six groups, and all participants will be evaluated at four different time points.

Studietype

Intervensjonell

Registrering (Antatt)

78

Fase

  • Ikke aktuelt

Kontakter og plasseringer

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

Studiekontakt

  • Navn: Sara Samur Ergüven, DDS, PhD. Associate Professor
  • Telefonnummer: +90 5334165005
  • E-post: sara.samur@sbu.edu.tr

Studiesteder

  • Tyrkia (Türkiye)
      • Ankara, Tyrkia (Türkiye), 06610
        • University of Health Sciences, Keciören, Ankara

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

18 år til 35 år (Voksen)

Tar imot friske frivillige

Ja

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Presence of a unilateral or bilateral impacted mandibular third molar classified as Class II, Position B according to the Pell and Gregory classification), indicating that there is insufficient space in the jaw for eruption of the tooth and that the cervical line of the impacted tooth is at the level of the cervical line of the adjacent second molar.
  • Systemically healthy individuals classified as ASA Physical Status I.
  • Age between 18 and 35 years.
  • Willingness to participate in the study.

Exclusion Criteria:

  • Individuals outside the specified age range.
  • Pregnant individuals.
  • Individuals who are currently breastfeeding.
  • Presence of clinical signs of infection in the region of the impacted third molar, including acute pericoronitis.
  • Presence of any systemic disease that may affect wound healing, including metabolic, immunological, or endocrine disorders.
  • Presence of a cystic or tumoral lesion associated with the impacted third molar.
  • History of allergy, hypersensitivity, or intolerance to chlorhexidine gluconate or hydrogen peroxide solutions to be used in the study.
  • Unwillingness to participate in the study.
  • Poor oral hygiene at a level that may adversely affect wound healing.
  • Cold intolerance or the presence or history of cold-related diseases, including Raynaud's disease, cold urticaria, or cryoglobulinemia.
  • Use of systemic antibiotics, corticosteroids, or nonsteroidal anti-inflammatory drugs (NSAIDs) within the previous two weeks.
  • Cases in which no bone removal is required during surgery.
  • Patients who meet the inclusion criteria but are unwilling to participate in the study.

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 4°C sterile saline solution

Patients whose extraction sockets will be irrigated with 4°C sterile saline solution following mandibular third molar surgery.
Fremgangsmåte: 4°C sterile saline solution

Patients whose extraction sockets will be irrigated with 4°C sterile saline solution following mandibular third molar surgery.
Eksperimentell: 25°C sterile saline solution

Patients whose extraction sockets will be irrigated with 25°C sterile saline solution
Fremgangsmåte: 25°C sterile saline solution

Patients whose extraction sockets will be irrigated with 25°C sterile saline solution following mandibular third molar surgery.
Eksperimentell: 4°C 0.2% chlorhexidine solution

Patients whose extraction sockets will be irrigated with 4°C 0.2% chlorhexidine solution following mandibular third molar surgery.
Fremgangsmåte: 4°C 0.2% chlorhexidine solution

Patients whose extraction sockets will be irrigated with 4°C 0.2% chlorhexidine solution following mandibular third molar surgery.
Eksperimentell: 25°C 0.2% chlorhexidine solution

Patients whose extraction sockets will be irrigated with 25°C 0.2% chlorhexidine solution following mandibular third molar surgery.
Fremgangsmåte: 25°C 0.2% chlorhexidine solution

Patients whose extraction sockets will be irrigated with 25°C 0.2% chlorhexidine solution following mandibular third molar surgery.
Eksperimentell: 4°C 1.5% hydrogen peroxide solution

Patients whose extraction sockets will be irrigated with 4°C 1.5% hydrogen peroxide solution following mandibular third molar surgery.
Fremgangsmåte: 4°C 1.5% hydrogen peroxide solution

Patients whose extraction sockets will be irrigated with 4°C 1.5% hydrogen peroxide solution following mandibular third molar surgery.
Eksperimentell: 25°C 1.5% hydrogen peroxide solution

Patients whose extraction sockets will be irrigated with 25°C 1.5% hydrogen peroxide solution following mandibular third molar surgery.
Fremgangsmåte: 25°C 1.5% hydrogen peroxide solution

Patients whose extraction sockets will be irrigated with 25°C 1.5% hydrogen peroxide solution following mandibular third molar surgery.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Postoperative Edema (Swelling)
Tidsramme: Preoperatively and on postoperative days 2, 4, and 7

Edema will be measured along five predetermined anatomical reference lines using a flexible millimeter ruler. Measurements will be recorded in millimeters.
Preoperatively and on postoperative days 2, 4, and 7
Postoperative Pain
Tidsramme: Preoperative and postoperative days 2, 4, and 7 using a 10-cm VAS.

Postoperative pain will be assessed by Visual Analog Scale (VAS). The amount of analgesic required by each patient during the postoperative period will be recorded daily on the patient follow-up form.
Preoperative and postoperative days 2, 4, and 7 using a 10-cm VAS.
Trismus (Restriction of Mouth Opening)
Tidsramme: Preoperative day and postoperative days 2, 4, and 7

Maximum mouth opening will be measured in millimeters using a digital caliper.
Preoperative day and postoperative days 2, 4, and 7

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Oral Health Related Quality of Life (QoL)
Tidsramme: Preoperatively and on postoperative days 2, 4, and 7.

The Oral Health Impact Profile-14 (OHIP-14), a validated and reliable instrument, will be used to evaluate changes in patients' daily comfort and oral health-related quality of life.
Preoperatively and on postoperative days 2, 4, and 7.

Samarbeidspartnere og etterforskere

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

Sponsor

Saglik Bilimleri Universitesi

Publikasjoner og nyttige lenker

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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 (Antatt)

1. oktober 2026

Primær fullføring (Antatt)

1. april 2027

Studiet fullført (Antatt)

1. juni 2027

Datoer for studieregistrering

Først innsendt

17. september 2026

Først innsendt som oppfylte QC-kriteriene

17. september 2026

Først lagt ut (Faktiske)

23. september 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

23. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

17. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Andre studie-ID-numre

  • 2026-300
  • Academician (Annen identifikator: University of Health Sciences, Türkiye)

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