Lares Research Smoothdrive 1:5 Contra angleRecalls & reported problems
Lares Research · Motor driven dental contra angle handpiece with 1:5 gear ratio. · Class 1
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 8
- Deaths reported
- 0
- Injuries reported
- 0
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 8 adverse event reports that list this exact device (DI D950135020), received between Jan 11, 2023 and Jan 7, 2026 — classified as 8 malfunctions.
The most frequently reported specific device problem is “Temperature Problem” (6 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Temperature Problem6
- Adverse Event Without Identified Device or Use Problem1
- Mechanical Problem1
Patient problems
- No Clinical Signs, Symptoms or Conditions4
- Burn(s)3
- Burning Sensation1
Recent adverse event reports
The 8 most recent of 8 reports, in the reporter's own words as published by the FDA.
MalfunctionJan 7, 2026Temperature Problem
PER THE CUSTOMER'S EMAIL REGARDING DEVICE SENT TO LARES FOR REPAIR THE DEVICE GOT HOT DURING A PROCEDURE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23999551 ↗MalfunctionDec 12, 2025Temperature Problem; Temperature Problem
DOCTOR WAS USING DEVICE WHEN HE NOTICED THE DEVICE WAS GETTING HOT DURING PROCEDURE. DOCTOR NOTED INJURY WAS NOT SIGNIFICANT DUE TO EARLY NOTICE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23795679 ↗MalfunctionOct 29, 2025Temperature Problem; Temperature Problem
DR STATED THAT HE FELT WARMTH AND THE PATIENT INDICATED FEELING THE DEVICE BECAME WARM DURING OPERATION. THERE WAS NO ADDITIONAL MEDICAL TREATMENT NECESSARY.
Patient problems: Burning Sensation
MAUDE report 23420497 ↗MalfunctionApr 15, 2025Temperature Problem; Temperature Problem
DR. WAS OPERATING HANDPIECE DURING PROCEDURE WHEN A HOT HEAD CAP WAS IDENTIFIED. A BURN WAS THEN NOTED ON PATIENT'S LIP.
Patient problems: Burn(s)
MAUDE report 21845076 ↗MalfunctionJan 3, 2025Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
DOCTOR INDICATED 3 OR 4 PATIENTS HAD MINOR BURNS ON THEIR CHEEKS CAUSED BY LARES SMOOTHDRIVE HANDPIECE DURING PROCEDURE.
Patient problems: Burn(s)
MAUDE report 21074509 ↗MalfunctionApr 12, 2024Temperature Problem; Temperature Problem
CUSTOMER SENT PRODUCT IN FOR REPAIR WITH NOTE INDICATING A PATIENT HAD BEEN BURNED BY THE DEVICE DURING A PROCEDURE. THE PATIENT WAS TREATED AT THE DENTAL OFFICE AND DID NOT REQUIRE ADDITIONAL MEDICAL INTERVENTION.
Patient problems: Burn(s)
MAUDE report 19098225 ↗MalfunctionApr 10, 2024Mechanical Problem; Mechanical Problem
THE CUSTOMER INDICATED A BUR CAME OUT OF THE HANDPIECE DURING A PROCEDURE. THE BUR WAS RETRIEVED AND THE PATIENT WAS NOT AFFECTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 19085324 ↗MalfunctionJan 11, 2023Temperature Problem; Temperature Problem
CUSTOMER REPORTED THE DEVICE BECAME HOT WHILE RUNNING THE DEVICE BUT NOT FOR PATIENT PROCEDURE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16142399 ↗
Other Handpiece, Contra- And Right-Angle Attachment, Dental devices
- Z95LNakanishi Inc. · Handpiece, contra- and right-angle attachment, dental27 reports
- Surgical Angle Handpiece SGA-E2SNakanishi Inc. · Handpiece, Contra- And Right-Angle Attachment, Dental11 reports
- Henry Schein 5701766Henry Schein, Inc. · Handpiece, contra- and right-angle attachment, dental4 reports
- Brasseler USA 5021285U0Peter Brasseler Holdings, LLC · Handpiece, contra- and right-angle attachment, dental3 reports
- Z99LNakanishi Inc. · Handpiece, contra- and right-angle attachment, dental3 reports
- TI-MAX Z CONTRA/HP Z95LNakanishi Inc. · Handpiece, contra- and right-angle attachment, dental3 reports
- Brasseler USA 5027608U0Peter Brasseler Holdings, LLC · Handpiece, contra- and right-angle attachment, dental2 reports
- TI-MAX nano CONTRA/HP nano95LSNakanishi Inc. · Handpiece, contra- and right-angle attachment, dental2 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
How reports and recalls are matched · Editorial policy · Report an error on this page