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. 2020 Jul 26;2020(7):CD004345. doi: 10.1002/14651858.CD004345.pub3

Comparison 3. Bone removal techniques.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
3.1 Wound infection (7 days) 1   Odds Ratio (IV, Fixed, 95% CI) Subtotals only
3.1.1 Lingual split chisel versus lingual split bur 1 52 Odds Ratio (IV, Fixed, 95% CI) 1.00 [0.31, 3.21]
3.2 Temporary alteration of tongue sensation (< 1 month) 1   Odds Ratio (IV, Fixed, 95% CI) Subtotals only
3.2.1 Lingual split chisel versus lingual split bur 1 52 Odds Ratio (IV, Fixed, 95% CI) 3.06 [0.27, 34.48]
3.3 Temporary alteration of chin sensation (< 1 month) 1   Odds Ratio (IV, Fixed, 95% CI) Subtotals only
3.3.1 Lingual split chisel versus lingual split bur 1 52 Odds Ratio (IV, Fixed, 95% CI) 0.24 [0.04, 1.31]
3.4 Pain at 24 hours (0‐to‐10 VAS) 2   Mean Difference (IV, Fixed, 95% CI) Subtotals only
3.4.1 Lingual split chisel versus lingual split bur 1 60 Mean Difference (IV, Fixed, 95% CI) 0.50 [0.08, 0.92]
3.4.2 Ultrasound versus bur 1 26 Mean Difference (IV, Fixed, 95% CI) ‐0.20 [‐1.32, 0.92]
3.4.3 Lingual split (bur or chisel) versus simplified bone removal 1 90 Mean Difference (IV, Fixed, 95% CI) ‐0.15 [‐0.43, 0.13]
3.5 Mean pain at 24 hours (0‐to‐10 VAS) 5 111 Mean Difference (IV, Random, 95% CI) ‐1.93 [‐3.08, ‐0.77]
3.5.1 Piezoelectric surgery versus conventional 5 111 Mean Difference (IV, Random, 95% CI) ‐1.93 [‐3.08, ‐0.77]
3.6 Swelling (after 7 days) 2   Mean Difference (IV, Fixed, 95% CI) Subtotals only
3.6.1 Lingual split chisel versus lingual split bur 1 60 Mean Difference (IV, Fixed, 95% CI) ‐0.10 [‐0.33, 0.13]
3.6.2 Ultrasound versus bur 1 26 Mean Difference (IV, Fixed, 95% CI) 0.37 [0.20, 0.54]
3.6.3 Lingual split (bur or chisel) versus simplified bone removal 1 90 Mean Difference (IV, Fixed, 95% CI) 0.15 [‐0.01, 0.31]
3.7 Maximum mouth opening (after 7 days) 4 110 Mean Difference (IV, Random, 95% CI) 2.68 [0.54, 4.81]
3.7.1 Piezoelectric surgery versus conventional ‐ split‐mouth 4 110 Mean Difference (IV, Random, 95% CI) 2.68 [0.54, 4.81]
3.8 Maximum mouth opening (after 7 days) 1   Mean Difference (IV, Fixed, 95% CI) Subtotals only
3.8.1 Ultrasound versus bur 1 26 Mean Difference (IV, Fixed, 95% CI) 2.90 [‐0.27, 6.07]