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U.S. Department of Health and Human Services

MAUDE Adverse Event Report: PRISMATIK DENTALCRAFT, INC. COMFORT HARD-SOFT SPLINT; THERMOFORM MOUTHGUARD

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PRISMATIK DENTALCRAFT, INC. COMFORT HARD-SOFT SPLINT; THERMOFORM MOUTHGUARD Back to Search Results
Device Problem Adverse Event Without Identified Device or Use Problem (2993)
Patient Problem Hypersensitivity/Allergic reaction (1907)
Event Date 08/24/2021
Event Type  Injury  
Manufacturer Narrative
The device has not been returned.If/when the device is returned an investigation will be carried out and a supplemental report will be submitted.
 
Event Description
It was reported that patient had a reaction to the comfort splint.The patient first used the device on (b)(6) 2021 with the reaction occurring later that night.The patient experienced, itchy, irritated throat and a strong cough.The patient continued using the device for another 3 weeks.After discontinuation of the reaction continued all day, but stronger at night.There was no treatment for the reaction.The patient has an allergy to latex, but no further allergy testing done.With regard to the device: the provider cleaned the device prior to delivery.However, it is unknown what was used.The patient cleaned the device with efferdent.
 
Manufacturer Narrative
The device investigation has been completed and the results are as follows: dhr results: the dhr was reviewed and there was no evidence discovered to indicate that a product defect or non-conformity contributed to the issue.Supplier (erkodent) reviewed the associated material lot and confirmed no manufacturing deviation or abnormality.Additionally, erkodent reported no further complaints for this material lot.(see attachment) lot# e-prop 4.0-11498 (erkoloc-pro pink) was manufactured from october 7, 2020 and was assigned an expiration of october 2023.Stock product reviewed results: no stock product was available for review since the device was fabricated per physician's prescription only.Investigation methods/results: complaint investigator reviewed the returned device.An upper tray was returned in the original case.The results were summarized: roughness - the flange was slight rough on the lingual aspects; occlusal surface appeared adjusted, especially at the central incisors.Crack - no major crack was found.Delamination - layers were intact and did not separate.Discoloration - the device did not appear discolored; pink and semi-transparent.General cleanliness - the returned device was not clean and debris can be observed.Case was returned in a good condition with label.The returned device was visually inspected and no defect or abnormality was observed.There was no evidence found to indicate that the reported issue was caused by the device itself.Root cause : a root cause for this complaint cannot be explicitly determined.Ifu 9091 rev 4.0 (comfort h/s bite splint instruction for use) states "brush and floss your teeth before use.Rinse mouth well with clean water before inserting the device.If patient uses mouthwash, all traces of mouthwash should be removed by thoroughly rinsing out mouth with water.Rinse bite splint well with clean, cool water before and after use.Clean bite splint with clean, cool water only and let air dry." ifu provides warning "do not clean or soak in mouthwash; do not use denture cleanser, hot water, alcohol, hydrogen peroxide; do not place in direct sunlight".Per the reported information, the patient cleaned the device with efferdent.Additionally, the physician noted the patient has an allergy to latex.Supplier erkodent reviewed the incident details and determined the symptoms are typical for mouth breathing due to the no longer possible lip closure.Glidewell research team and namsa conducted a series of testing on a similar thermoformed sleep device following iso 10993 (biological evaluation of medical devices) and the device was evaluated for potential cytotoxicity, skin irritation, delayed dermal contact sensitization and oral mucosal irritation.The test article was thermoformed with layers of erkodent material (erkoloc-pro and erkodur).The test results were listed below and summarized in biocompatibility report for sleep device (rpt 9733 rev 1.0).For cytotoxicity testing, the test article extract showed no evidence of causing cell lysis or toxicity.For skin irritation, there was no erythema and no edema observed on the skin of the animals treated with the test article.For sensitization testing, the test article extracts showed no evidence of causing delayed dermal contact sensitization.The test article showed nonirritant to the oral mucosa as compared to the control article.The device materials have been found to be biocompatible through the testing.There was no cytotoxic, sensitization, skin irritation, or oral mucosal irritation found in any of the test articles.
 
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Brand Name
COMFORT HARD-SOFT SPLINT
Type of Device
THERMOFORM MOUTHGUARD
Manufacturer (Section D)
PRISMATIK DENTALCRAFT, INC.
2144 michelson drive
irvine CA 92612
Manufacturer (Section G)
PRISMATIK DENTALCRAFT, INC.
2144 michelson drive
irvine CA 92612
Manufacturer Contact
herbert crane
2144 michelson drive
irvine, CA 92612
9495021907
MDR Report Key12569773
MDR Text Key274561166
Report Number3011649314-2021-00370
Device Sequence Number1
Product Code MQC
Combination Product (y/n)N
Reporter Country CodeUS
PMA/PMN Number
K121365
Number of Events Reported1
Summary Report (Y/N)N
Report Source Manufacturer
Source Type Health Professional
Reporter Occupation Dentist
Type of Report Initial,Followup
Report Date 02/07/2022
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
Device Operator Lay User/Patient
Was Device Available for Evaluation? Device Returned to Manufacturer
Date Returned to Manufacturer12/01/2021
Is the Reporter a Health Professional? Yes
Initial Date Manufacturer Received 09/27/2021
Initial Date FDA Received10/04/2021
Supplement Dates Manufacturer Received01/04/2022
Supplement Dates FDA Received02/07/2022
Was Device Evaluated by Manufacturer? Yes
Date Device Manufactured08/20/2021
Is the Device Single Use? No
Is This a Reprocessed and Reused Single-Use Device? No
Type of Device Usage Reuse
Patient Sequence Number1
Patient Age40 YR
Patient SexFemale
Patient Weight57 KG
Patient EthnicityHispanic
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