Search Results For: 'orthodontics'
3741.
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.
3742.
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.
3743.
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.
3744.
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.
3745.
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.
3746.
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.
3747.
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.
3748.
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.
3749.
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.
3750.
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.
3751.
Keys to Success in Lingual Therapy, Part 2
Volume 20 : Number 5 : Page 0 : May 1986
Key 5Double Over Ties on Anterior TeethConventional ligation does not exert a proper parallel force vector with the amount of force required to seat or adequately hold the archwire in anterior lingual...
3752.
Patient Responses to Lingual Appliances
Volume 20 : Number 6 : Page 0 : Jun 1986
Although the lingual appliance has received considerable attention in the United States,1-5 little has been reported on patient responses. This study was undertaken to determine personality profiles o...
3753.
A Non-Extraction Treatment with the Edgewise Appliance
Volume 3 : Number 3 : Page 0 : Mar 1969
The purpose of this paper is to present a procedure for the treatment of non-extraction cases which varies from "pure Tweed" treatment but still is consistent with those basic principles of the Tweed ...
3754.
Practical Points to Practice Efficiency, Part 2
Volume 9 : Number 9 : Page 543 : Sep 1975
The first installment of this article appeared in the August issue of JCO. New Patient Procedures As I examine the new patient in the examination room, my secretary takes notes on all pertinent inform...
3755.
Volume 19 : Number 2 : Page 109 : Feb 1985
The basic philosophy of Crozat treatment is that, if the oral tissues can be given enough time to respond, mild pressures over a long period of time will produce tooth movement without excessive tippi...
3756.
Volume 56 : Number 2 : Page 96 : Feb 2022
A study by Dr. Manoharan and colleagues is designed to evaluate the effects of a four-mini-implant-supported maxillary expander using cone-beam computed tomography. Skeletal, dental, and airway measurements are compared against the results obtained with a conventional bonded Hyrax expander.
3757.
Bonding: The State of the Art--A National Survey
Volume 13 : Number 1 : Page 39 : Jan 1979
I sent a questionnaire to 7000 orthodontists to survey the "State of the Art" of bonding. Nearly 2000 replies were received. The purpose of this article is to present the results of the survey, to com...
3758.
Incisal Locator for Orthognathic Surgery
Volume 15 : Number 10 : Page 672 : Oct 1981
The Le Fort I operation (maxillary impaction) is fast becoming the most used orthognathic surgical procedure, because it treats the vertical dimension, which is the cause of so many of our problems. C...
3759.
Volume 9 : Number 12 : Page 749 : Dec 1975
Physiologic drift is defined as the natural migration of teeth, with no applied force, into space created by extraction, congenital absence, decay, proximal grinding, or orthodontic tooth movement. Ph...
3760.
C Clamps in the Begg Technique
Volume 1 : Number 1 : Page 32 : Sep 1967
32-jco-img-0.jpgThe use of ligature wire on bicuspids to stabilize archwires in the Begg Technique has several disadvantages. It is a common occurrence for the wrapped ends of the ligature wires to tu...
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