Open Access

Table II

General overview of the included studies.

  Interventions Participants Collected outcomes
  Country Settings Design N° of centres Follow-up
(Months)
External
funding (Type)
Test Control Adjunctive treatments N Analysed Implant failures Adverse events Post-op
pain (VAS)
Esposito et al. [22] Italy Private
practice
Parallel 11 4 No (only free
antibiotic and
placebo tablets
donated by Merck
Generics Italia)
Amoxicillin 2 g
administered orally 1 h before the procedure
Placebo
administered orally 1 h before the procedure
Oral hygiene training
Debridement
Chlorhexidine mouthwash before the operation and postoperatively for one week
330 316 Yes Yes No
Anitua et al. [23] Spain Private
practice
Parallel 8 3 Yes (Implant
Company: BTI)
Amoxicillin 2 g
administered orally 1 h before the procedure
Placebo
administered orally 1 h before the procedure
Oral hygiene training
Debridement
Chlorhexidine mouthwash before the operation and postoperatively for one week
105 105 Yes Yes No
Esposito et al. [25] Italy Private
practice
Parallel 10 4 No (only free
antibiotic and
placebo tablets
donated by Merck
Generics Italia)
Amoxicillin 2 g
administered orally 1 h before the procedure
Placebo
administered orally 1 h before the procedure
Oral hygiene training
Debridement
Chlorhexidine mouthwash before the operation and postoperatively for one week
509 506 Yes Yes No
Tan et al. [26] International University Parallel 7 2 Supported by a research grant of the ITI
Foundation (Project 616-2009) and the Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz, Switzerland.
Group 1: Amoxicillin 2 g
administered orally 1 h before the procedure
Group 2 Amoxicillin 2 g administered orally immediately after the surgery
Group 3 Amoxicillin 2 g
administered orally 1 h before the procedure and 500 mg administered orally three times a day on the second and third days
Placebo
administered orally 1 h before the procedure
Not reported 329 329 Yes Yes Yes
Nolan et al. [27] Ireland University Parallel 1 4 Not reported Amoxicillin 3 g
administered orally 1 h before the procedure
Placebo
administered orally 1 h before the procedure
Oral hygiene training
Debridement
Chlorhexidine mouthwash before the operation and postoperatively for one week
71 55 Yes Yes Yes
Momand et al. [24] Sweden University
and Hospital
Parallel 7 6 Supported by grants from Skåne Regional Council, Sweden and Magn. Bergvalls Stiftelse, Sweden. Amoxicillin 2 g
administered orally 1 h before the procedure
Placebo
administered orally 1 h before the procedure
Not reported 474 473 Yes Yes No
Santamaría Arrieta et al. [28] Spain University Parallel 1 2 Supported by the Instituto de Salud Carlos III through the project “PI18/00809′′ (Co-funded by European Regional Development Fund/European Social Fund; “A way to make Europe”/”Investing in your future”) Clindamycin 600 mg (two capsules)  
administered orally 1 h before the procedure
Placebo
administered orally 1 h before the procedure
Not reported 62 62 Yes Yes Yes

TG: test group; CG: control group.

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