Search Results For: 'orthodontics'
3761.
Early Treatment of Scissor Bite
Volume 45 : Number 9 : Page 498 : Sep 2011
A scissor bite is defined as buccal displacement of a maxillary posterior tooth, with or without contact between the lingual surface of the maxillary lingual cusp and the buccal surface of the mandibu...
3762.
A Minimally Invasive Modality for Simultaneous Bimaxillary En Masse Retraction
Volume 46 : Number 2 : Page 92 : Feb 2012
Conventional treatment modalities for cases with some combination of lip protrusion, labioversed incisors, and crowding generally involve extraction of the upper and lower premolars, followed by ortho...
3763.
The Rat Trap Lingual Torquing Auxiliary
Volume 47 : Number 12 : Page 716 : Dec 2013
As the demand for esthetic orthodontic treatment has increased in recent years, so has the relevance of lingual appliances.1 Incisor inclination continues to be a major issue in lingual therapy,2 part...
3764.
CASE REPORT
Treatment of a Complex Malocclusion in a Growing Skeletal Class II Patient
Volume 48 : Number 3 : Page 181 : Mar 2014
In a growing patient with excessive lower facial height, a skeletal Class II malocclusion is especially difficult to treat without surgical repositioning of the maxilla and possibly the mandible. 1-3 ...
3765.
Creative Adjuncts for Clear Aligners, Part 2: Intrusion, Rotation, and Extrusion
Volume 49 : Number 3 : Page 162 : Mar 2015
Part 1 in this series of articles (JCO, February 2015) described a number of adjuncts for improving the reliability of Class II treatment with clear aligners. This month, we will demonstrate how to pe...
3766.
CASE REPORT
Volume 49 : Number 8 : Page 525 : Aug 2015
Unilateral posterior crossbite (UPC) is frequently observed in children, with an incidence ranging from 8.7% to 23.3%.1 An associated functional shift of the mandible appears in 80% of the patients wi...
3767.
Biomechanics of Lower Second-Molar Protraction Using a New Appliance
Volume 50 : Number 12 : Page 736 : Dec 2016
The technique of using absolute anchorage from endosseous implants for protraction of lower molars was introduced by Roberts and colleagues.1 Since the development of mini-implants, many more clinicia...
3768.
Anatomical Limits for Distalization of Lower Posterior Molars with Micro-Implant Anchorage
Volume 53 : Number 5 : Page 305 : May 2019
Based on conventional lateral cephalograms, the anterior border of the ascending ramus has been considered the limit for lower molar distalization. Drs. Kim, Jang, and Park use computed tomography to provide visual evidence of a more realistic anatomical limit.
3769.
ALIGNER CORNER
A Hybrid Approach to Clear Aligner Therapy in Lower-Incisor Extraction Cases
Volume 56 : Number 4 : Page 211 : Apr 2022
Drs. Lombardo, Pepe, Carlucci, and Cremonini present an approach in which bonded lingual buttons and archwire segments are used to correct severe lower anterior crowding in conjunction with clear aligner treatment. The case shown here was completed in only six months.
3770.
ALIGNER CORNER
EX 30 vs. SmartTrack Materials in Maxillary Expansion with the Invisalign System
Volume 56 : Number 6 : Page 343 : Jun 2022
In a retrospective study of 108 patients, two Invisalign materials are compared in terms of their efficacy and predictability in achieving maxillary expansion. Intercanine, interpremolar, and intermolar widths are measured at both the gingival and cusp levels.
3771.
ALIGNER CORNER
Volume 56 : Number 8 : Page 458 : Aug 2022
In an ongoing study by Drs. Glaser, Tai, Blevins, and Daher, the effectiveness of Invisalign’s MA protocol is evaluated as an alternative to removable functional appliances in growing Class II patients. Results include a significant reduction in overjet.
3772.
Hybrid Aligner Therapy for Growing Patients with Anterior Open Bites
Volume 56 : Number 10 : Page 580 : Oct 2022
As Dr. Lombardo and colleagues describe, an interceptive phase of rapid maxillary expansion and elimination of oral habits can simplify subsequent Phase II treatment with clear aligners in young open-bite patients. Two cases illustrate this hybrid approach.
3773.
Maxillary Expansion and Protraction Using Mini-Implants and the Benefit Direct Mechanism
Volume 56 : Number 12 : Page 708 : Dec 2022
The Benefit Direct miniscrew attaches to a Hybrid Hyrax frame using a specially designed ring, as described by Dr. Wilmes and colleagues. This system enables an “appliance-first” approach while customizing the expander to situate the mini-implants in the best palatal bone.
3774.
Mesialslider for Treatment of Congenitally Missing Upper Lateral Incisors
Volume 58 : Number 8 : Page 489 : Aug 2024
The Mesialslider enables clinicians to protract the posterior teeth without unintended changes in tooth positions. Drs. Campoy Ferrer, Northway, and Wilmes present the use of this appliance to treat a 16-year-old patient with missing upper lateral incisors.
3775.
ALIGNER CORNER
Volume 59 : Number 3 : Page 166 : Mar 2025
In this edition of the Aligner Corner, the authors describe the use of the Invisalign system’s mandibular advancement feature to treat a Class II, division 1 malocclusion, assisted by bootstrap elastics for the extrusion of ectopic canines.
3776.
CASE REPORT
Nonsurgical Management of an Anterior Open Bite in a Young Adult
Volume 59 : Number 6 : Page 20250601 : Jun 2025
The 2025 JCO Student of the Year addresses an anterior open bite potentially caused by occlusal splint wear with a nonsurgical approach involving strategic use of elastics and extraction of the lower left incisor.
3777.
CASE REPORT
Volume 59 : Number 8 : Page 518 : Aug 2025
Drs. Chang, Azami, Chen, and Yadav discuss the case of a patient with this rare skeletal dysplasia who presented with a geminated upper right central incisor and multiple supernumeraries, enabling a unique treatment approach involving two tooth substitutions.
3778.
Where Teeth Should Be Positioned in the Face and Jaws and How To Get Them There
Volume 31 : Number 9 : Page 586 : Sep 1997
Contrary to conventional thought, the optimum position of the teeth in the face should be determined by the position of the maxillary incisors, rather than the mandibular incisors. To achieve optimum ...
3779.
A Practical Approach to the Tongue Thrust Problem
Volume 2 : Number 3 : Page 0 : Mar 1968
Orthodontists are aware that habits must be eliminated, preferably before instituting mechanotherapy. A practical approach to the tongue thrust problem, which has proven most effective in my practice,...
3780.
TECHNIQUE CLINIC
Volume 5 : Number 2 : Page 82 : Feb 1971
1. Trimming Unless models are trimmed in a standard way, there is no real basis for comparison and especially no judgment about what happened to the inclination of the upper anterior teeth in treatmen...
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