Completed OBSERVATIONAL NCT02521909

Accuracy of Electronic Apex Locators ProMark, RootZX II and NRG Rider on Working Length of Multi-rooted Teeth

An in Vivo Evaluation of the ProMark, Root ZX II, and NRG Rider Electronic Apex Locators on the Accuracy of Working Length of Molars

Sponsor: University of Michigan

Conditions Dental Pulp Diseases

Interventions NRG Rider (Tooth Extraction for Assessment of Different Apex Locators) ProMark (Tooth Extraction for Assessment of Different Apex Locators) Root ZX II (Tooth Extraction for Assessment of Different Apex Locators)

Updated 8 times since 2017 Last updated: Jun 21, 2017 Started: Sep 30, 2015 Primary completion: Jun 21, 2017 Completion: Jun 21, 2017

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Dental Pulp Diseases, this trial is completed. The trial is conducted by University of Michigan and has accumulated 8 data snapshots since 2015. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

8 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed
Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None

▶ Show 3 earlier versions

Jul 2017 — Apr 2018 [monthly]

Completed NA

Status: Recruiting → Completed
Feb 2017 — Jul 2017 [monthly]

Recruiting NA
Jan 2017 — Feb 2017 [monthly]

Recruiting NA

First recorded

Sep 2015

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Michigan

Data source: University of Michigan

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Ann Arbor, United States