Reviewed clinical summary · Source-linked · Educational use only

Should Diabetic Patients Take Antibiotics After a Simple Tooth Extraction?

Clinical Bottom Line

Summary: In type 2 diabetic patients undergoing single simple dental extractions, amoxicillin did not significantly reduce the risk of alveolar osteitis, infection, or delayed healing compared to placebo, and its use is considered unnecessary when managing these cases. PICO Description Population Patients…

Summary: In type 2 diabetic patients undergoing single simple dental extractions, amoxicillin did not significantly reduce the risk of alveolar osteitis, infection, or delayed healing compared to placebo, and its use is considered unnecessary when managing these cases.
PICO Description
Population Patients with type 2 diabetes undergoing single simple dental extractions.
Intervention Administration of 500 mg amoxicillin.
Comparison Placebo treatment.
Outcome No significant differences were observed for alveolar osteitis, infections, or healing delays between groups. The study suggests that antibiotic use in these cases may not be necessary.
RCT Acta Odontol Latinoam · 2025

Amoxicillin vs placebo for diabetic tooth extractions

RCT · type 2 diabetes · 14 days

Trial design
T2DM, simple extraction Enrolled & assessed RANDOMISED 1:1 Amoxicillin 500 mg pre-op n = 28 Placebo Pre-op n = 28 Alveolar osteitis / infection rate
Proportion reaching endpoint
Not estimable % 0% Amoxicillin 0% Placebo ARR0% (no events)
Alveolar osteitis
0% vs 0%
No cases either arm
Infection
0% vs 0%
Local or systemic
Delayed healing
NS
No difference at 7 d
Analgesics used
More on amoxicillin
p<0.05
⬡ Bottom Line

No alveolar osteitis or infection occurred in either arm after simple extractions in controlled type 2 diabetics. Amoxicillin gave no benefit and was linked to more analgesic use, so routine prophylaxis appears unnecessary.

Source: Matias Garcia-Blanco, et al. “Randomized controlled trial comparing antibiotics to placebo for single simple dental extractions in diabetic patients.” Read article here.

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