title: Adjunctive Systemic Antimicrobial Therapy vs Asepsis in Conjunction with Guided Tissue Regeneration: A Randomized, Controlled Clinical Trial.
abstract: OBJECTIVE
  This randomized clinical trial compares the usefulness of adjunctive antibiotics, while strict asepsis was followed during periodontal surgery involving guided tissue regeneration.
  
  
  METHODS
  Two groups of 20 consecutive patients each with advanced periodontal disease were randomly assigned to treatment. They displayed one angular defect each with an intrabony component ≥3 mm, probing pocket depth and probing attachment level (PAL) ≥7 mm. Test group included 13 males, mean age 60 years, treated with enamel matrix derivative (EMD) and demineralized freeze-dried bone allograft with modified papilla preservation technique, received oral amoxicillin 1 gm, 1 hour preoperatively and 2 gm for 2 days postoperatively. Control group included 10 males, mean age 57 years, treated with EMD and demineralized freeze-dried bone allograft with modified papilla preservation technique, received no antibiotics. Outcome measures were clinical attachment level (CAL) gain, residual periodontal pocket depth (res. PD), gingival recession (GR), bleeding on probing (BOP), adverse events and postoperative complications. Patients were followed up to 12 months after periodontal surgery involving guided tissue regeneration.
  
  
  RESULTS
  There were no significant differences between both groups for CAL gain, res. PD, GR, BOP nor other clinical parameters, though patients' subjective perception of postoperative discomfort was significantly smaller in the group receiving antibiotics.
  
  
  CONCLUSIONS
  Antibiotics do not provide significant advantages concerning clinical periodontal parameters nor concerning postoperative infections in case of proper asepsis. It does, on the contrary, reduce postoperative discomfort.
  
  
  CONCLUSIONS
  Regarding the results of this study, adjunc-tive systemic antibiotics in combination with guided tissue regeneration may be useful in reducing postoperative discomfort but may not be helpful for improving periodontal regeneration outcomes.
authors.affiliation: Assistant Professor, Department of Oral Surgery and Periodontology, Arab American University, Jenin, Palestine, Phone: 00972547380763 e-mail: mahmoud.abutaa@aauj.edu.
authors.forename: Mahmoud
authors.initials: M
authors.lastname: Abu-Ta'a
mesh_terms: D016301:Alveolar Bone Loss / Q000188:drug therapy; D000658:Amoxicillin / Q000627:therapeutic use; D000890:Anti-Infective Agents / Q000627:therapeutic use*; D001207:Asepsis; D003746:Dental Enamel Proteins / Q000627:therapeutic use; D005260:Female; D005889:Gingival Recession / Q000628:therapy*; D016557:Guided Tissue Regeneration, Periodontal; D006801:Humans; D008297:Male; D008875:Middle Aged; D017622:Periodontal Attachment Loss / Q000628:therapy*; D010514:Periodontal Pocket / Q000628:therapy*; D016896:Treatment Outcome
chemical_list: D000890:Anti-Infective Agents; D003746:Dental Enamel Proteins; D000658:Amoxicillin
keywords: Angular defect; Antibiotic prophylaxis; Controlled Clinical Trial. J Contemp Dent Pract 2016;17(1):3-6. Source of support: Nil Conflict of interest: None.; Guided tissue regeneration. How to cite this article: Abu-Ta'a M. Adjunctive Systemic Antimicrobial Therapy vs Asepsis in Conjunction with Guided Tissue Regeneration: A Randomized