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Table 4 Randomized trials reporting tooth extraction of third molar

From: Efficacy of concentrated growth factor (CGF) in the surgical treatment of oral diseases: a systematic review and meta-analysis

Author (year)

Study Design, Blinded (duration)

Intervention (number of surgical sites)

Effects of CGF

Control (sites)

Test (sites)

Özveri et al. (2020) [42]

Split-mouth, patient and examiner-blinded (7 days)

tooth extraction (70)

tooth extraction + CGF (70)

Decreased the risk of alveolar osteitis development after mandibular third molar surgery.

Özveri et al. (2020) [41]

Split-mouth, patient and examiner-blinded (7 days)

tooth extraction (60)

tooth extraction + CGF (60)

Accelerated soft tissue healing and provided benefits in reducing postoperative pain, swelling and trismus on days 3 and 7.

Torul et al. (2020) [43]

Parallel, patient and examiner-blinded (7 days)

tooth extraction (25)

T1: tooth extraction + PRF (25); T2: tooth extraction + CGF (25)

Had no beneficial effect on pain (6th hour and 1st to 7th day), swelling (2nd and 7th days), and trismus (2nd and 7th days).

Elayah et al. (2022) [48]

Split-mouth, examiner-blinded (7 days)

tooth extraction (37)

tooth extraction + CGF (37)

Provided benefits in wound healing (7th day), swelling (1st and 3rd days), and pain (3rd and 7th days).

Fang et al. (2022) [40]

Parallel, patient and examiner-blinded (24 weeks)

tooth extraction (58)

tooth extraction + CGF (60)

Provided benefits in reducing postoperative pain (2, 24, and 48 h), reducing incidence of alveolar osteitis and increasing bone mineral density (24 weeks), but no benefit on swelling or trismus.

Torul et al. (2023) [52]

Parallel, examiner-blinded (7 days)

conventional treatment (25)

T1: ozone (20); T2: ozone + CGF (20)

Application of CGF and ozone together provided faster and more satisfactory management of alveolar osteitis.

  1. CGF: concentrated growth factor; PRF: platelet-rich fibrin