Accuracy of Electronic Apex Locators ProMark, RootZX II and NRG Rider on Working Length of Multi-rooted Teeth
Public ClinicalTrials.gov record NCT02521909. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An in Vivo Evaluation of the ProMark, Root ZX II, and NRG Rider Electronic Apex Locators on the Accuracy of Working Length of Molars
Study identification
- NCT ID
- NCT02521909
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- University of Michigan
- Other
- Enrollment
- 20 participants
Conditions and interventions
Conditions
Interventions
- NRG Rider (Tooth Extraction for Assessment of Different Apex Locators) Device
- ProMark (Tooth Extraction for Assessment of Different Apex Locators) Device
- Root ZX II (Tooth Extraction for Assessment of Different Apex Locators) Device
Device
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 31, 2015
- Primary completion
- Jun 20, 2017
- Completion
- Jun 20, 2017
- Last update posted
- Jun 21, 2017
2015 – 2017
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| U of Michigan School of Dentistry | Ann Arbor | Michigan | 48109 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02521909, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 21, 2017 · Synced May 6, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02521909 live on ClinicalTrials.gov.