Search Results For: 'orthodontics'
2641.
A New Mechanism for Retracting Anterior Teeth with No Loss of Anchorage
Volume 8 : Number 7 : Page 408 : Jul 1974
The Levis Retraction Assembly consists of a face-bow and a specially designed retraction arch to retract anterior teeth by means of occipital anchorage exclusively. The Retraction Arch The retraction ...
2642.
CASE REPORT
Full-Arch Open Bite Resulting from Second-Molar Overeruption During Clear Aligner Treatment
Volume 58 : Number 1 : Page 59 : Jan 2024
A 12-year-old patient misunderstands her aligner instructions, leading to supraeruption of the second molars and development of a posterior open bite between appointments. The issue is solved by prescribing a new set of aligners with reinforced plastic on the second molars’ occlusal surfaces.
2643.
A Miniscrew System with Interchangeable Abutments
Volume 42 : Number 10 : Page 574 : Oct 2008
Orthodontic miniscrews have become increasingly popular in recent years because of their versatility, minimal invasiveness, and low cost.1-6 The effectiveness of conventional miniscrew systems is limi...
2644.
A Survey of Patient Opinions on Fixed vs. Removable Retainers
Volume 43 : Number 12 : Page 0 : Dec 2009
As many as two-thirds of all patients will demonstrate moderate-to-severe relapse within 10 years after orthodontic treatment.1 As a result, patients are becoming both more aware and more accepting of...
2645.
CASE REPORT
Management of Horizontally Impacted Mandibular Canines in a Skeletal Class II Malocclusion
Volume 54 : Number 5 : Page 277 : May 2020
A 15-year-old patient with “kissing” lower canines is treated without surgery by extracting the horizontally impacted teeth and using a fixed functional Class II corrector to address the skeletal problem. The case is finished to a skeletal Class I and dental Class III relationship.
2646.
THE READERS' CORNER
Smile Analysis and Emergency Appointments
Volume 42 : Number 1 : Page 29 : Jan 2008
1. Do you analyze the patient's smile as part of your diagnosis? If so, briefly describe your method. The overwhelming majority of respondents said they did analyze patients' smiles. This was usually ...
2647.
OVERVIEW
The T-Zone: Median vs. Paramedian Insertion of Palatal Mini-Implants
Volume 50 : Number 9 : Page 0 : Sep 2016
(Editor’s Note: In this regular column, JCO provides an overview of a clinical topic of interest to orthodontists. Contributions and suggestions for future subjects are welcome.) Mini-implants have be...
2648.
CASE REPORT
Molar Intrusion Using Miniscrew Palatal Anchorage
Volume 46 : Number 8 : Page 493 : Aug 2012
The hyperdivergent profile that typically leads to anterior open bites is one of the most complex malocclusions facing orthodontists. It is often characterized by excessive maxillary posterior dentoal...
2649.
Volume 58 : Number 7 : Page 20240701 : Jul 2024
This cross-sectional retrospective study utilizes the PES to assess the appearance of the gingiva after Invisalign therapy in 20 patients with unilateral palatally impacted canines. The contralateral canines are used as controls.
2650.
CASE REPORT
Optiflex Archwire Treatment of a Skeletal Class III Open Bite
Volume 26 : Number 4 : Page 0 : Apr 1992
Optiflex is a new orthodontic archwire that I designed to combine unique mechanical properties with a highly esthetic appearance (Fig. 1). Made of clear optical fiber, it comprises three layers (Fig. ...
2651.
CASE REPORT
Delayed Eruption of a Maxillary Second Premolar Due to a Late Bud
Volume 41 : Number 10 : Page 597 : Oct 2007
Delayed eruption of permanent teeth has been attributed to local, systemic, and genetic factors,1-7 but only a few cases of delayed eruption due to late bud development have been reported. Silva Filho...
2652.
Biomechanical Considerations in Treatment with Miniscrew Anchorage, Part 3: Clinical Cases
Volume 42 : Number 6 : Page 329 : Jun 2008
In two previous articles (JCO, February 2008 and March 2008), we described biomechanical variations that may occur during the retraction of anterior teeth using skeletal anchorage. The present article...
2653.
CASE REPORT
Delayed Development of a Maxillary Left Second Premolar
Volume 36 : Number 5 : Page 291 : May 2002
This report describes a multiyear delay in the development and eruption of an upper left second premolar in a Class II, division 1 patient treated with headgear and fixed orthodontic appliances in t...
2654.
A Fixed Reverse Labial Bow for Moderate Class III Interceptive Treatment
Volume 37 : Number 1 : Page 42 : Jan 2003
The treatment of skeletal Class III malocclusion, particularly in the late deciduous or early mixed dentition, is one of the most challenging problems confronting the orthodontist. These patients freq...
2655.
Common Sense Mechanics, Part 12
Volume 14 : Number 8 : Page 546 : Aug 1980
(CONTINUED FROM PART 11) Applying Principles to Total Treatment Since extraction and nonextraction mechanics have been demonstrated, utilizing the various principles discussed since the beginning of t...
2656.
THE EDITOR'S CORNER
Volume 20 : Number 10 : Page 0 : Oct 1986
Building FriendshipsAs a consequence of the recent increase in professional liability insurance premiums, professional conferences are beginning to sponsor speakers who are addressing the problem of m...
2657.
Bonding Fluorosed Teeth: New Materials for Old Problems
Volume 29 : Number 7 : Page 0 : Jul 1995
A dental school faculty member once told me that the half-life of a dental education is only seven years, and that it is even shorter where bonding materials and techniques are concerned.1 Recent impr...
2658.
THE EDITOR'S CORNER
Volume 31 : Number 5 : Page 281 : May 1997
A couple of years ago, Lue and I had occasion to stay at the sleek and modern Sheraton Towers Hotel in Singapore. Upon our arrival, we were greeted by name by a receptionist at a large desk. When we a...
2659.
PEARLS
The Miniscrew-Anchored Cantilever: A Simple Molar Distalizer
Volume 54 : Number 12 : Page 773 : Dec 2020
A device for “noncompliance” Class II treatment is easily constructed by attaching an .040" cantilever wire between a miniscrew and a molar headgear tube. Distal force is obtained from a nickel titanium closed-coil spring, while the direct skeletal anchorage prevents unwanted side effects on the anterior teeth.
2660.
Volume 20 : Number 6 : Page 0 : Jun 1986
Glass ionomer cement contains a powder similar to that of silicate cement and a polyacrylic liquid similar to that of polycarboxylate cement. It was first described in 1972,1 but it was not marketed i...
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