MAUDE Adverse Event Report: LARES RESEARCH SMOOTHDRIVE; CONTRA ANGLE DENTAL HANDPIECE

Model Number	1:5 CA
Medical Device Problem Code	Temperature Problem (3022)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/09/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was thoroughly evaluated at the factory and there were no problems identified when the device was used as intended.
Event or Problem Description
Doctor was using device when he noticed the device was getting hot during procedure.Doctor noted injury was not significant due to early notice.

• Brand Name: SMOOTHDRIVE
• Common Device Name: CONTRA ANGLE DENTAL HANDPIECE
• Manufacturer (Section D): LARES RESEARCH; 295 lockheed avenue; chico CA 95973
• Manufacturer (Section G): LARES RESEARCH; 295 lockheed avenue; chico CA 95973
• Manufacturer Contact: bruce holderbein ; 295 lockheed avenue; chico, CA 95973 ; 5303451767
• MDR Report Key: 23795679
• Report Number: 2916440-2025-00009
• Device Sequence Number: 17523009
• Product Code: EGS
• UDI-Device Identifier: D950135020
• UDI-Public: D950135020
• Combination Product (Y/N): N
• Initial Reporter State: AZ
• Initial Reporter Country: US
• PMA/510(K) Number: K141221
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Dentist
• Remedial Action: Replace
• Type of Report: Initial
• Report Date (Section B): 12/12/2025

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: 1:5 CA
• Device Catalogue Number: 13502
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 12/11/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/09/2025
• Initial Report FDA Received Date: 12/12/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/04/2024
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown