Non-Cochrane · intervention · PM41394781
Comparison of intraoperative blood loss in piezoelectric vs. conventional technique surgeries: a systematic review and meta-analysis.
Ahmadi Sina, Rajaei Sahar, Alimohammadi Farnoosh, et al. · Frontiers in oral health · 2025 · PubMed · doi:10.3389/froh.2025.1687571
Findings
Population Patients undergoing orthognathic surgery
13 findings
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Procedure type: BSSO and Le Fort I combined | MD -103.21 [-123.61, -82.81] GRADE not reported 3 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Sensitivity: leave-one-out, omitting Spinelli et al. 2014 | MD -82.29 [-99.1, -65.49] GRADE not reported 5 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Geographic location: Africa | MD -76.4 [-89.58, -63.22] GRADE not reported 1 study |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Sensitivity: leave-one-out, omitting Sato et al. 2023 | MD -78.0 [-92.43, -63.58] GRADE not reported 5 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Sensitivity: leave-one-out, omitting Demirbas et al. 2015 | MD -84.04 [-100.46, -67.62] GRADE not reported 5 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Geographic location: Europe | MD -54.41 [-105.14, -3.67] GRADE not reported 2 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Procedure type: Le Fort I only | MD -36.66 [-106.56, 33.24] GRADE not reported 1 study |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery | MD -81.73 [-97.3, -66.16] GRADE not reported 6 studies · 144 participants |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Geographic location: Asia | MD -91.12 [-118.2, -64.04] GRADE not reported 3 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Sensitivity: leave-one-out, omitting Barakat et al. 2025 | MD -84.58 [-107.48, -61.69] GRADE not reported 5 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Procedure type: BSSO only | MD -73.39 [-82.98, -63.8] GRADE not reported 2 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Sensitivity: leave-one-out, omitting Akbar et al. 2015 | MD -74.71 [-83.89, -65.52] GRADE not reported 5 studies |
| Piezosurgery (piezoelectric osteotomy) | Conventional osteotomy instruments (saws, burs) | Intraoperative blood loss (mL) Intraoperative · Orthognathic surgery · Sensitivity: leave-one-out, omitting Pattabhi et al. 2024 | MD -86.91 [-106.54, -67.29] GRADE not reported 5 studies |
Included primary studies 6
Open in Studies| Study | Year | Also included by | Outcomes it informs here | Trial data |
|---|---|---|---|---|
| Akbar 2015 Critical Analysis of Piezoelectric Surgery with Oscillating Saw in Bimaxillary Orthognathic Surgery. PMID:28689523 | 2017 | this review only | Intraoperative blood loss (mL) | not extracted yet |
| Barakat 2025 Piezosurgery Versus Conventional Saw in Mandibular Genioplasty: A Comparative study DOI:10.21608/asdj.2025.352490.1787 | 2025 | this review only | Intraoperative blood loss (mL) | not extracted yet |
| Demirbas 2015 Is Ultrasonic Bone Scalpel Useful in Le Fort I Osteotomy? PMID:31669455 | 2020 | this review only | Intraoperative blood loss (mL) | not extracted yet |
| Pattabhi 2024 matched by author and year (probable) | NR | this review only | Intraoperative blood loss (mL) | not extracted yet |
| Sato 2023 Advantages of a High-Powered Ultrasonic Vibration Cutting Device for Orthognathic Surgeries. PMID:37943066 | 2024 | this review only | Intraoperative blood loss (mL) | not extracted yet |
| Spinelli 2014 Comparison of piezosurgery and traditional saw in bimaxillary orthognathic surgery. PMID:24742747 | 2014 | this review only | Intraoperative blood loss (mL) | not extracted yet |
Review question
| Element | Planned (methods) | Found (results) |
|---|---|---|
| Population | Patients who underwent orthognathic surgery | Orthognathic surgery patients (n=144 participants; 252 surgeries) |
| Intervention | Piezoelectric osteotomy | Piezosurgery (n=6 studies) |
| Comparison | Conventional osteotomy (saws, burs, chisels) | Conventional cutting techniques (saw, bur) (n=6 studies) |
| Outcomes | Intraoperative blood loss | Intraoperative blood loss in mL (n=6 studies) |
| Study designs | Observational studies and controlled trials; English language | Observational (cohort) studies (n=6) |
| Timing | Not specified | Intraoperative |