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The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...

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Related Experiment Video

Updated: Jun 21, 2026

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System

Published on: May 5, 2022

Magnification devices for endodontic therapy.

Massimo Del Fabbro¹, Silvio Taschieri, Giovanni Lodi

¹Department of Health Technologies, University of Milan, IRCCS Galeazzi Orthopaedic Institute, Via R Galeazzi 4, Milan, Italy, 20161.

The Cochrane Database of Systematic Reviews

|July 10, 2009

Summary

This summary is machine-generated.

This review found no studies comparing endodontic treatment with or without magnification devices. Further research is needed to determine if magnification devices improve patient outcomes in endodontic therapy.

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Area of Science:

Dentistry
Endodontics
Microsurgery

Background:

Advancements in microsurgery have spurred the search for improved visualization in endodontics.
Magnification devices (surgical microscopes, endoscopes, loupes) offer technical advantages to operators.
The impact of these devices on patient clinical and radiographic outcomes remains unclear.

Purpose of the Study:

To systematically review and compare endodontic treatment with and without magnification devices.
To compare different magnification devices (microscope, endoscope, loupes) used in endodontics.

Main Methods:

Searched Cochrane Oral Health Group Trials Register, CENTRAL, MEDLINE, EMBASE, and nine dental journals.
Handsearched bibliographies and contacted manufacturers and RCT authors for unpublished/ongoing trials.
Included randomized and quasi-randomized trials comparing endodontic therapy with or without magnification devices.

Main Results:

No trials met the inclusion criteria for the systematic review.
One randomized controlled trial (RCT) comparing three magnification devices in endodontic surgery was identified but excluded.
No RCTs were found comparing endodontic therapy outcomes with or without magnification devices.

Conclusions:

No objective conclusions can be drawn due to the lack of eligible studies.
The effect of magnification devices on endodontic treatment outcomes is unknown.
Further long-term RCTs with large sample sizes are required to investigate the clinical benefits and indications for magnification devices in endodontics.