Devices › Implant, endosseous, root-form
Device brand name · Implant endosseous root-form
PrimeTaper EV 4.2 x 8mm OS: medical device reports filed with FDA
530 reports name it, 2022–2026. Manufacturer given most often on reports: Dentsply Implants A Division Of Dentsply Ih. Product code DZE.
- 530
- device reports naming the brand
- 0% of all MAUDE reports · about 127 a year
- 238
- reports, 12 months to August 2026
- 141 in the 12 months before
- 0%
- classified as malfunction
- 0.8% across the product code
- 0%
- classified as death, as reported
- 0 reports · not verified by FDA
FDA's MAUDE database holds 530 reports that name the brand "PrimeTaper EV 4.2 x 8mm OS" (implant endosseous root-form), received between May 2022 and August 2026; the manufacturer given most often on reports is Dentsply Implants A Division Of Dentsply Ih. Spellings of one product vary from report to report.
238 reports arrived in the 12 months to August 2026, up 69% from 141 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are injury (100%); across all implant, endosseous, root-form reports (product code DZE) death is recorded in 0% and malfunction in 0.8%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are failure to osseointegrate (83.6%), loss of osseointegration (14.5%) and malposition of device (0.6%). The patient problems coded most often are failure of implant, osteolysis and inflammation. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."
Reports by month, five years
Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.
By year received
Event type and report source
Event type, as classified on the report
Who filed the report
Grey bar: all 3,924,241 reports carrying product code DZE. Event type is the filer's classification and is not verified by FDA.
Device problems coded
| Device problem (FDA code) | Reports | Share | Share across product code |
|---|---|---|---|
| Failure to osseointegrate | 443 | 83.6% | 62.8% |
| Loss of osseointegration | 77 | 14.5% | 22.4% |
| Malposition of device | 3 | 0.6% | 0.1% |
| Fracturea broken bone | 2 | 0.4% | 1.6% |
| Material deformation | 2 | 0.4% | 0.1% |
| Difficult to insertthe device was hard to insert | 1 | 0.2% | 0.4% |
| Insufficient device problem information | 1 | 0.2% | 0.2% |
FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.
Patient problems coded
| Patient problem (FDA code) | Reports | Share |
|---|---|---|
| Failure of implant | 529 | 99.8% |
| Osteolysis | 41 | 7.7% |
| Inflammationinflammation | 38 | 7.2% |
| Pocket erosion | 27 | 5.1% |
| Implant pain | 5 | 0.9% |
| Abscessa collection of pus | 2 | 0.4% |
| Numbnessnumbness | 2 | 0.4% |
| Deformity/ disfigurement | 1 | 0.2% |
| Discomfortdiscomfort | 1 | 0.2% |
| Inadequate osseointegration | 1 | 0.2% |
| Osteopenia/ osteoporosis | 1 | 0.2% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | PrimeTaper EV 4.2 x 8mm OS | Product code DZE | All MAUDE reports |
|---|---|---|---|
| Reports | 530 | 3,924,241 | 26,136,888 |
| Share of that pool | — | 0% | 0% |
| Classified as death, per 1,000 reports | 0 | 0 | 9 |
| Classified as injury | 100% | 99.2% | 36.2% |
| Classified as malfunction | 0% | 0.8% | 62.3% |
| Filed by the manufacturer | 100% | 77.7% | 94.9% |
Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."
Other brands with product code DZE
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Biohorizons Dental Implant | 58,732 | 0 | 0% |
| BioHorizons Inc. | 57,020 | 25,536 | 0% |
| NobelActive Internal RP 4.3x10mm | 49,098 | 9,528 | 0% |
| BLT ?4.1mm RC, SLA? 10mm, TiZr, Loxim | 45,650 | 9,677 | 0% |
| NobelParallel CC RP 4.3x10mm | 44,269 | 9,318 | 0% |
| BLT ?4.1mm RC, SLActive? 10mm, TiZr, NTP | 41,672 | 7,531 | 0% |
| Unknown Implant | 39,967 | 1,454 | 0% |
| NobelReplace CC RP 4.3x10mm | 35,946 | 8,166 | 0% |
| NobelReplace CC PMC RP 4.3x10mm | 34,447 | 8,690 | 0% |
| NobelActive Internal RP 4.3x11.5mm | 33,117 | 5,704 | 0% |
| BLT ?3.3mm NC, SLA? 10mm, TiZr, Loxim | 28,648 | 5,695 | 0% |
| BLT ?4.1mm RC, SLA? 10mm, Ti, Loxim | 26,724 | 8,481 | 0% |
| BLT ?3.3mm NC, SLActive? 10mm, TiZr, NTP | 26,540 | 4,680 | 0% |
| NobelActive Internal RP 4.3x13mm | 25,556 | 3,764 | 0% |
| BLT ?4.1mm RC, SLA? 8mm, TiZr, Loxim | 24,772 | 5,978 | 0% |
Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."
Questions about PrimeTaper EV 4.2 x 8mm OS reports
How many FDA reports name PrimeTaper EV 4.2 x 8mm OS?
530 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 238 in the latest 12 months.
What kinds of events are reported?
injury (100%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
failure to osseointegrate (83.6%), loss of osseointegration (14.5%), malposition of device (0.6%), fracture (0.4%) and material deformation (0.4%). These are FDA's device problem codes as entered on the report.
Who files these reports?
manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.
Do these reports show that PrimeTaper EV 4.2 x 8mm OS was at fault?
No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."
How do I report a problem with a medical device?
Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.
Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.
Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.