MAUDE Adverse Event Report: KEYSTONE DENTAL, INC. GNSIS; GENESIS TAPERED IMPLANT BIOSPARK 5.5X10

Model Number	G21145
Medical Device Problem Code	Failure to Osseointegrate (1863)
Health Effect - Clinical Codes	Unspecified Infection (1930); Inadequate Osseointegration (2646); Implant Pain (4561)
Date of Event	11/21/2024
Type of Reportable Event	Serious Injury
Event or Problem Description
Failed to osseointegrate.
Additional Manufacturer Narrative
Keystone dental inc.Provides labeling with all implants.Failure to osseointegrate and loss of osseointegration (implant mobility) is identified as an adverse reaction and identified in the list of warnings in all endosseous dental implant labeling.The specific cause for a particular complaint is often not readily identified as there are various factors that contribute to the risk of implant failure.These include patient factors such as prior oral infection, poor bone quality or quantity, systemic conditions such as diabetes and uncontrolled hypertension.Technique factors such as overheating of the implant site may cause necrosis of the bone, preventing growth (pelayo et al., 2008; turkyilmaz & al., 2008).Patient habits such as tobacco use (heitz-mayfield & huynh-ba, 2009), alcohol or drug abuse, poor oral hygiene, and bruxism (salvi & braegger, 2009) may also lead to implant failure.In addition, improper surgical technique can lead to implant failure and/or loss of supporting bone (salvi & braegger, 2009).Additional health effect clinical cod=1908, high blood pressure/ hypertension.

• Brand Name: GNSIS
• Common Device Name: GENESIS TAPERED IMPLANT BIOSPARK 5.5X10
• Manufacturer (Section D): KEYSTONE DENTAL, INC.; 154 middlesex turnpike; burlington MA 01803
• Manufacturer (Section G): KEYSTONE DENTAL, INC.; 154 middlesex turnpike; burlington MA 01803
• Manufacturer Contact: erik roman ; 154 middlesex turnpike; burlington, MA 01803 ; 7813283490
• MDR Report Key: 21537452
• Report Number: 3005990499-2025-70352
• Device Sequence Number: 15418079
• Product Code: DZE
• UDI-Device Identifier: D768G211450
• UDI-Public: +D768G211450/$$3280324WO025998W
• Combination Product (Y/N): N
• Initial Reporter State: NE
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Dentist
• Remedial Action: Replace
• Type of Report: Initial
• Report Date (Section B): 03/06/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Model Number: G21145
• Device Catalogue Number: G21145
• Device Lot Number: WO-025998
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/26/2025
• Initial Report FDA Received Date: 03/06/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/26/2023
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 46 YR
• Patient Sex: Male