Bovine-derived Xenograft With or Without L-PRF for Alveolar Ridge Preservation After Tooth Extraction: a Randomized Controlled Trial

Bovine-derived Xenograft (Bio-Oss Collagen) With or Without Leukocyte-platelet Rich Fibrin (L-PRF) for Alveolar Ridge Preservation After Tooth Extraction: a Randomized Controlled Trial

The study is prospective randomized clinical trial that aims to evaluate the adjunctive use of L-PRF in promoting the desired vascularization and bone fill in small and large defects following tooth extraction and report on the long-term implant and patient outcomes

Inclusion Criteria:

• Aged 18 or over.
• Require extraction of anterior or posterior single tooth due to caries, endodontic and prosthetic complications.
• The tooth that requires extraction is bordered by two teeth.
• Controlled oral hygiene (full-mouth plaque and bleeding scores ≤ 25% at baseline).
• Good compliance and commitment to attend follow-up review appointments.
• Willing to provide informed consent.

Exclusion Criteria:

• Localised / generalised periodontitis.
• Presence of acute periapical lesion.
• Bone metabolic disease and/or taking medications that affect bone metabolism.
• Long term use of non-steroidal anti-inflammatory medications.
• History of malignancy, radiotherapy or chemotherapy.
• Pregnant or lactating women.
• Severe bruxism or parafunctional habits.
• Large occlusal discrepancies.