Search Results For: 'orthodontics'
2481.
Volume 35 : Number 8 : Page 500 : Aug 2001
Lateral cephalograms are generally taken with the patient's mandible in a retruded position (centric relation), rather than habitual occlusion (centric occlusion).1 CR is the position in which the con...
2482.
PEARLS
Lateral Incisor Bracket Positioning for Phase I Treatment
Volume 55 : Number 4 : Page 227 : Apr 2021
This month’s Pearl shows how to modify bracket positioning on the upper lateral incisors during Phase I treatment to avoid premature distal root tip in the path of the erupting canines, thus preventing the development of an unsightly midline diastema.
2483.
CAD/CAM-Guided Microscrew Insertion for Horseshoe Distalization Appliances
Volume 54 : Number 7 : Page 384 : Jul 2021
The horseshoe palatal anchorage plate relies on precise microscrew positioning to facilitate three-dimensional control of tooth movement, while simplifying the insertion procedure and reducing patient discomfort. Dr. De Gabriele and colleagues present two typical skeletal Class II cases.
2484.
CASE REPORT
Treatment of a Patient with Juvenile Periodontitis
Volume 27 : Number 12 : Page 0 : Dec 1993
Juvenile periodontitis or periodontosis is characterized by severe tooth mobility or a rapid loss of alveolar bone around more than one permanent tooth. 1 There are three classifications: Type I, firs...
2485.
Zygoma Ligatures: An Alternative Form of Maxillary Anchorage
Volume 32 : Number 3 : Page 154 : Mar 1998
Adults are increasingly desirous of retaining as many of their permanent teeth as possible, even after extractions due to caries or periodontal involvement. Although such patients often have anterior ...
2486.
Treatment of Tooth Impaction and Transposition with a Segmented-Arch Technique
Volume 35 : Number 2 : Page 79 : Feb 2001
Clinical management of impacted teeth combined with transpositions can be a challenging problem for the orthodontist.1-16 The segmented-arch technique allows the application of well-defined biomech...
2487.
Presurgical Preparation for Mandibular Advancement with Retromolar Skeletal Anchorage
Volume 47 : Number 9 : Page 529 : Sep 2013
A Class II malocclusion due to severe mandibular retrognathia often involves esthetic disfiguration that can be corrected only by surgical-orthodontic collaboration.1 In such a case, the mandibular in...
2488.
THE EDITOR'S CORNER
Volume 45 : Number 3 : Page 129 : Mar 2011
Those of us in Southern California have a close relationship with the orthodontists of Japan. Many of them belong to the Southern California component of the Angle Society, and all are valued colleagu...
2489.
Volume 51 : Number 8 : Page 454 : Aug 2017
This study was designed to evaluate the effectiveness of the Invisalign system in treating Class I and II patients with and without anterior open bite. The pretreatment difficulty of cases is compared with the post-treatment outcomes, as measured by the Peer Assessment Rating (PAR) and the Index of Complexity, Outcome, and Need (ICON).
2490.
Volume 13 : Number 1 : Page 9 : Jan 1979
When orthodontists are asked to list subjects they would like to know more about, temporomandibular joint generally tops the list. This is not surprising, considering the deficiency of knowledge that ...
2491.
THE EDITOR'S CORNER
Volume 58 : Number 9 : Page 531 : Sep 2024
“Ethical fading” occurs when people subconsciously overlook ethical considerations in decision-making. This behavior is typically caused by focusing on other aspects of a decision, such as profitabil...
2492.
THE EDITOR'S CORNER
Volume 31 : Number 12 : Page 783 : Dec 1997
A friend whom I consider one of the most competent orthodontists anywhere once had a highly prosperous practice, but as time went on and competition increased, he lost more and more market share, unti...
2493.
THE EDITOR'S CORNER
Volume 51 : Number 12 : Page 772 : Dec 2017
Why is it so important to collect and analyze practice statistics, you might ask? After all, as the Great One, Wayne Gretzky, famously said, “I skate to where the puck is going to be, not to where it ...
2494.
Volume 57 : Number 12 : Page 760 : Dec 2023
Numb chin syndrome is a mental-nerve neuropathy that can manifest spontaneously. This article describes how the syndrome was identified in a teenage orthodontic patient, whose expeditious diagnosis of acute lymphoblastic leukemia led to a successful treatment with chemotherapy.
2495.
MANAGEMENT & MARKETING
Volume 31 : Number 3 : Page 153 : Mar 1997
This column concludes the presentation of six articles by orthodontic staff members that began in the December 1996 issue of JCO. Among this month's group, effective communication is a common concern....
2496.
The Space-Closure Alternative for Missing Maxillary Lateral Incisors: An Update
Volume 44 : Number 9 : Page 540 : Sep 2010
Treatment planning for patients with missing maxillary lateral incisors traditionally includes either space closure1,2 or space reopening and insertion of implants.2,3 Some common objections to orthod...
2497.
Biocreative Torque-Maintaining Archwire for Adult Patients with Pathologically Migrated Incisors
Volume 51 : Number 11 : Page 748 : Nov 2017
The authors describe the application of flap surgery and upper incisor intrusion in adults with advanced periodontitis. A C-tube microplate is placed to anchor the intrusion, while a torque-maintaining archwire avoids labial flaring and a transpalatal arch minimizes reaction forces from the wire.
2498.
OVERVIEW
Volume 43 : Number 9 : Page 0 : Sep 2009
(Editor's Note: In this quarterly column, JCO provides an overview of a clinical topic of interest to orthodontists. Contributions and suggestions for future subjects are welcome.) A frenum is a small...
2499.
ALIGNER CORNER
Evaluating the Efficacy of Lower Incisor Intrusion with Clear Aligners
Volume 51 : Number 4 : Page 233 : Apr 2017
This new JCO column is compiled by Contributing Editors Robert L. Boyd, DDS, MEd, and William V. Gierie, DDS, MS. Every few months, they will address an area of clear-aligner therapy of interest to ou...
2500.
Comparative Effectiveness of Invisalign and Fixed Appliances in First-Premolar Extraction Cases
Volume 54 : Number 5 : Page 294 : May 2020
In a prospective case-control study, Dr. Gaffuri and colleagues compare the efficacy of clear aligners with that of preadjusted edgewise appliances in premolar-extraction treatment, as scored by the ABO Objective Grading System and ABO standard cephalometric analysis.
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