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Prevention of bacteremia following impacted lower third molar surgery: A randomized triple-blind controlled trial of 0.3% chlorhexidine mouthrinse and 2-g amoxicillin

Prevention of bacteremia following impacted lower third molar surgery: A randomized triple-blind controlled trial of 0.3% chlorhexidine mouthrinse and 2-g amoxicillin

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20210531006
Enrollment
30
Registered
2021-05-31
Start date
2019-06-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prevention of bacteremia following bony impacted mandibular third molar surgery Mandibular third molar Bacteremia Chlorhexidine mouthrinse Amoxicillin

Interventions

Amoxicillin (AMX): 2 g of amoxicillin capsules and sterile distilled water mouthrinse,Chlorhexidine mouthrinse (CHX): 0.3% chlorhexidine (Pharmacy division, Dental Hospital, Faculty of Dentistry, Prin
Active Comparator Drug,Experimental Drug,Placebo Comparator No treatment
AMX group,CHX group,CTR group

Sponsors

Faculty of Dentistry, Prince of Songkla University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1.Healthy adult patient (20-30 years old) 2.Need of surgical removal of bony impacted mandibular 3rd molar, with partially erupted in oral cavity. 3.No known risk to bacterial endocarditis 4.No signs or symptoms of infection

Exclusion criteria

Exclusion criteria: 1.Patients with current antibiotic treatment in the past 1 month 2.HbA1c level of 6.5% or higher 3.Patients using routine oral antiseptic mouthrinse 4.Patients using immunosuppressant 5.Patient allergic to chlorhexidine or amoxicillin

Design outcomes

Primary

MeasureTime frame
Bacteremia occurrence Before treatment, (BD:0), 30 seconds (BD:1), and 15 minutes (BD:2) following flap incision. BACTEC FX and MALDI-TOF MS

Secondary

MeasureTime frame
Bacteria identification Before treatment, (BD:0), 30 seconds (BD:1), and 15 minutes (BD:2) following flap incision. Gram stain

Countries

Thailand

Contacts

Public ContactSrisurang Suttapreyasri

Prince of Songkla university

srisurang.s@psu.ac.th074287596

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026