Non-Cochrane · intervention · PM41963896

The accuracy of robotic-assisted zygomatic implant placement: a systematic review and meta-analysis.

Fan Shengchi, Singkhorn Thidarat, Sáenz-Ravello Gustavo, et al. · BMC oral health · 2026 · PubMed · doi:10.1186/s12903-026-07816-7

Findings

Population Severely atrophic edentulous maxilla (zygomatic implant placement; in vitro models and patients)

9 findings

Robotic-assisted computer-aided implant surgery (r-CAIS)None (single-mean model)Exit deviation (mm)Pooled mean 1.47 [1.07, 1.87]
GRADE not reported
9 studies · 161 ZIs participants
Robotic-assisted computer-aided implant surgery (r-CAIS)None (single-mean model)Entry deviation (mm)Pooled mean 1.04 [0.74, 1.35]
GRADE not reported
9 studies · 161 ZIs participants
Robotic-assisted computer-aided implant surgery (r-CAIS)None (single-mean model)Angular deviation (degrees)Pooled mean 1.22 [0.82, 1.62]
GRADE not reported
9 studies · 161 ZIs participants
Dynamic computer-aided implant surgery (d-CAIS)None (single-mean model)Angular deviation (degrees)Pooled mean 2.00 [1.33, 2.67]
GRADE not reported
4 studies · 97 ZIs participants
Dynamic computer-aided implant surgery (d-CAIS)None (single-mean model)Entry deviation (mm)Pooled mean 1.30 [1.00, 1.60]
GRADE not reported
4 studies · 97 ZIs participants
Dynamic computer-aided implant surgery (d-CAIS)None (single-mean model)Exit deviation (mm)Pooled mean 2.02 [1.81, 2.23]
GRADE not reported
4 studies · 97 ZIs participants
Robotic-assisted computer-aided implant surgery (r-CAIS)Dynamic computer-aided implant surgery (d-CAIS)Exit deviation (mm)MD -0.51 [-1.24, 0.21]
GRADE not reported
4 studies · 94 (47 per arm, ICC-adjusted) participants
Robotic-assisted computer-aided implant surgery (r-CAIS)Dynamic computer-aided implant surgery (d-CAIS)Angular deviation (degrees)MD -0.58 [-1.21, 0.04]
GRADE not reported
4 studies · 94 (47 per arm, ICC-adjusted) participants
Robotic-assisted computer-aided implant surgery (r-CAIS)Dynamic computer-aided implant surgery (d-CAIS)Entry deviation (mm)MD -0.47 [-0.91, -0.04]
GRADE not reported
4 studies · 94 (47 per arm, ICC-adjusted) participants

Included primary studies 10

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Fan 2018
Refractoriness to muscarinic and adrenergic agonists in the rat parotid: responses of adenosine and guanosine cyclic 3', 5'-monophosphates.
PMID:201829
19771 other reviewnot statednot extracted yet
Al-Jarsha 2024
Dynamic navigation-guided robotic placement of zygomatic implants.
PMID:39542079
2025this review onlynot statednot extracted yet
Cao 2020
Pilot study of a surgical robot system for zygomatic implant placement.
PMID:31677890
2020this review onlynot statednot extracted yet
Chen 2024
Accuracy of Zygomatic Implant Placement Using Task-Autonomous Robotic System or Dynamic Navigation: An In Vitro Study.
PMID:39442545
2025this review onlynot statednot extracted yet
Deng 2023 (clinical)
Feasibility and accuracy of a task-autonomous robot for zygomatic implant placement.
PMID:38016868
2025this review onlynot statednot extracted yet
Deng 2023 (in vitro)
Semi-autonomous two-stage dental robotic technique for zygomatic implants: An in vitro study.
PMID:37666465
2023this review onlynot statednot extracted yet
Fan 2024
A hybrid robotic system for zygomatic implant placement based on mixed reality navigation.
PMID:38555744
2024this review onlynot statednot extracted yet
Guo 2024
Comparison of robotic system and dynamic navigation for zygomatic implant placement: An in vitro study.
PMID:39243803
2024this review onlynot statednot extracted yet
Li 2023
Autonomous robotic surgery for zygomatic implant placement and immediately loaded implant-supported full-arch prosthesis: a preliminary…
PMID:37204483
2023this review onlynot statednot extracted yet
Olivetto 2023
Zygomatic implant placement using a robot-assisted flapless protocol: proof of concept.
PMID:36517307
2023this review onlynot statednot extracted yet

Overlap with other reviews

Reviews that include the same primary studies are not independent evidence. Shared counts match studies by PMID, DOI or NCT, and otherwise by author and year (a probable match). Only the non-Cochrane dental reviews have study lists, so overlap with Cochrane reviews is not counted yet.

Review question

ElementPlanned (methods)Found (results)
PopulationPatients with severely atrophic edentulous maxilla185 zygomatic implants in 83 models/patients (75 models with 171 implants; 8 patients with 14 implants)
InterventionZygomatic implant placement using robotic-assisted CAIS (r-CAIS)r-CAIS (161 implants in meta-analysis)
Comparisons-CAIS, d-CAIS, non-guided CAIS or non-comparisond-CAIS (97 implants in meta-analysis); no comparison in non-comparative studies
OutcomesThree-dimensional deviations (entry, exit, angular) between planned and placed zygomatic implantEntry, exit and angular deviation (pooled means and mean differences)
Study designsAll primary studies: clinical (RCTs, cohorts, case-control, case series, technical notes), model and cadaver studies10 studies: 7 in vitro, 2 clinical, 1 hybrid experimental-clinical (9 in meta-analysis)
TimingNot specifiedNot specified

AMSTAR 2 items

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsYesYesyes
2Protocol established before the reviewcriticalPartial YesPartial Yesyes
3Choice of study designs explainedYesYesyes
4Comprehensive literature searchcriticalPartial YesNono
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalYesYesyes
8Included studies described in detailYesYesyes
9Risk of bias assessed satisfactorilycriticalRCT: N/A · NRSI: YesNRSI: Yes · RCT: N/Ano
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: N/A · NRSI: YesNRSI: Yes · RCT: N/Ano
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalYesYesyes
16Conflicts of interest reportedYesYesyes
OverallModerateLowno