Search Results For: 'orthodontics'
3941.
CASE REPORT
Central-Incisor Substitution for Management of an Impacted Upper Canine
Volume 57 : Number 6 : Page 327 : Jun 327
Dr. Bianca Lau, winner of the 2023 Eugene L. Gottlieb JCO Student of the Year award, presents a difficult case involving an ectopically erupting canine. Three premolars and a hopeless central incisor are extracted, and the impacted canine is moved into the incisor space.
3942.
ALIGNER CORNER
Outcomes Associated with 3M Clarity Aligners
Volume 57 : Number 6 : Page 344 : Jun 2023
Drs. Taebi-Harandy and colleagues report the results of a retrospective study designed to evaluate the accuracy of horizontal, rotational, transverse, and vertical movements achieved with Clarity aligners. Recommendations for the virtual setup are included.
3943.
DIGITAL ORTHO LAB
CAD/CAM Design of a Rapid Palatal Expander to Prevent Buccal Molar Tipping
Volume 58 : Number 5 : Page 283 : May 2024
The digitally designed and metal-printed expander described by Dr. Yoo and colleagues avoids buccal molar tipping, a common dental side effect of toothborne RPEs, by applying force at the level of the upper first molars’ center of resistance.
3944.
Practical Invisalign Mechanics: Deep Bite and Class II Correction
Volume 59 : Number 4 : Page 241 : Apr 2025
Dr. Glaser launches a series on ClinCheck planning for Invisalign treatment with an overview of common patterns found in Class II patients with deep bite and advice for correcting this type of malocclusion with clear aligners.
3945.
Modified Class III Carriere Motion Appliance and Aligners for the Treatment of Class II Malocclusion
Volume 59 : Number 7 : Page 432 : Jul 2025
Drs. Martinetti, Di Gioia, and Granatiero present a novel technique in which the Class III version of the Carriere Motion appliance is positioned on the palatal sides of the teeth and used alongside clear aligners for nearly invisible Class II correction.
3946.
Practical Invisalign Mechanics: Crowding
Volume 59 : Number 8 : Page 485 : Aug 2025
The second installment in Dr. Glaser’s series on managing common problems with Invisalign explains the biomechanical principles underlying the treatment of dental crowding and applies them to the case of a growing patient with significant crowding and a deep overbite.
3947.
CASE REPORT
"Impacted Tooth First" Treatment of a Severely Displaced Upper Second Premolar in a Growing Patient
Volume 59 : Number 9 : Page 587 : Sep 2025
In a growing patient with a significantly migrated upper second premolar and a retained deciduous second molar on the same side, Drs. Giuntoli, Crescini, De Mari, and Migliorati use direct miniscrew anchorage to align the impacted tooth before bonding full fixed appliances, reducing the risk of root resorption.
3948.
THE EDITOR'S CORNER
Volume 29 : Number 7 : Page 419 : Jul 1995
Shortly before he died, my friend and TMD mentor, Welden Bell, counseled a young oral surgeon who was having an unusually difficult time resolving a patient's TMD. The surgeon explained to Dr. Bell ho...
3949.
Volume 2 : Number 6 : Page 0 : Jun 1968
Proponents of Edgewise technique 1,2,3,4,5 may disagree about treatment timing, facial aesthetics, expansion, extraction, retention and optimum bracket and wire sizes. However, in the 'moment of truth...
3950.
Crozat Principles and Technique
Volume 19 : Number 6 : Page 429 : Jun 1985
Dr. George Crozat was a keen observer and clinician. His teaching had been limited before Dr. Frank Lamons of Atlanta approached him in the early 1950s, saying, "Dr. Crozat, it is not if you die, but ...
3951.
THE READERS' CORNER
Deep and Open Bites and Maturation Treatment Planning
Volume 34 : Number 4 : Page 0 : Apr 2000
What technique do you use for opening deep bites? Clinicians used a surprising variety of methods to open deep bites. In fact, most used a combination of techniques rather than any single procedure. T...
3952.
Volume 5 : Number 4 : Page 228 : Apr 1971
We appreciate the kind comments and interest which this column has engendered. Your thoughts are most important since, as we know, the viability of this type of column rests eventually on the contribu...
3953.
The New Cephalometrics: The Muzj Fronto-Facial Analysis, Part II
Volume 5 : Number 8 : Page 435 : Aug 1971
This article is adapted from the book Oro-Facial Anthropometrics by Professor Edmondo Muzj. All illustrations are from the book. Part I of this adaptation appeared in the February 1971 issue of JCO an...
3954.
Dental Photography: Some New Benefits
Volume 6 : Number 10 : Page 570 : Oct 1972
Tired of looking at chipped and broken models? How about "misplaced" models that never seem to show up? Use photography to reduce unnecessary handling. Here's how. Take a 35mm black-and-white closeup ...
3955.
CASE REPORT
Can a Case with a 9mm Arch Discrepancy be Treated Nonextraction?
Volume 13 : Number 4 : Page 264 : Apr 1979
Patient C.M. presented at age 7.5 with an open bite malocclusion (Fig. 1). A thumb habit appliance was worn for approximately six months with successful results, following which the patient was kept u...
3956.
Flaws in Bracket Manufacturing
Volume 24 : Number 3 : Page 0 : Mar 1990
Close inspection of recently manufactured direct-bonded metal brackets that have been sent to my company for reconditioning reveals a number of defects. Even though the frequency of specific flaws is ...
3957.
Entrepreneurial Strategies for Financial Success
Volume 30 : Number 10 : Page 567 : Oct 1996
The following article is reprinted by permission from The Blair/McGill Advisory, published monthly by Blair, McGill & Company, 4601 Charlotte Park Drive, Suite 230, Charlotte, NC 28217. (704) 424-...
3958.
A Stent-Guided Mini-Implant System
Volume 43 : Number 6 : Page 0 : Jun 2009
Precise positioning of miniscrews is critical to their success. Insertion too close to adjacent tooth roots increases the risk of implant failure, especially in the mandible.1 Poor placement may also ...
3959.
THE READERS' CORNER
Volume 54 : Number 1 : Page 49 : Jan 2020
JCO readers answer questions about remote access to practice data for orthodontists, patients, and staff. Items discussed include specific types of information that can be accessed, integration with management software, cybersecurity, privacy, and common problems.
3960.
Volume 8 : Number 3 : Page 162 : Mar 1974
The idea of a modular coil spring is not new. Its origin may be attributed to Dr. Abe Lees, who was one of our pioneering orthodontists (Fig. 1).It is a most useful spring for anchorage control, rotat...
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