Risk of bias assessment of systematic reviews regarding dental implant placement in smokers: An umbrella systematic review

Ref ID 313
First Author O. B. de Oliveira-Neto
Journal JOURNAL OF PROSTHETIC DENTISTRY
Year Of Publishing 2018
URL https://www.thejpd.org/article/S0022-3913(18)30076-3/fulltext
Keywords • Dentistry
• Pre-specification
• Searching
• Protocols
Problem(s) • High risk of bias (ROBIS)
• Insufficient literature searches
• Lack of prespecification in eligibility criteria
• No registered or published protocol
Article Type Empirical
Article Subtype Cross-sectional survey/Methodological systematic review
First Author Country Brazil
Checklists • ROBIS
Aim To assess the risk of bias of systematic reviews indexed in multiple databases up to 2017 regarding dental implant placement in smokers.
Level of Investigation Descriptive
Summary of Findings 83% (5/6) included systematic reviews on dental implant placement in smokers had a risk of bias (high or unclear) according to ROBIS. Key areas of concern were lack of a priori protocol, insufficient literature searches; and ambiguous eligibility criteria.
Number of systematic reviews included 6
Number of eligible systematic reviews assessed 2539
Treatment impacted No
Treatment impacted description
Interpretation impacted Not Applicable
Interpretation impacted description