Search Results For: 'orthodontics'
2741.
PEARLS
Palatal Clips for Canine Retraction
Volume 46 : Number 1 : Page 40 : Jan 2012
In space-closure cases, canines are generally retracted with either frictional (sliding) or nonfrictional (closing-loop) mechanics.1,2 We have devised a simple method for lingual traction of protrusiv...
2742.
TECHNIQUE CLINIC
Single-Tooth Intrusion with a Cross Tube and a Cantilever Spring
Volume 47 : Number 7 : Page 427 : Jul 2013
An auxiliary spring is sometimes needed during orthodontic treatment to perform intrusion or a similar tooth movement. If there is no auxiliary tube on the molar band, we use a cross tube* (A) to supp...
2743.
A Fixed Extrusion Appliance for Fractured Anterior Teeth
Volume 47 : Number 10 : Page 603 : Oct 2013
Saving a tooth with a subgingival fracture can be a complex procedure involving a multidisciplinary effort1 and considerable stress to the patient. According to Jain and colleagues, surgical repositio...
2744.
TECHNIQUE CLINIC
Closure of Relapsed Spaces with Lingual Buttons
Volume 47 : Number 12 : Page 736 : Dec 2013
Anterior spacing often relapses after comprehensive orthodontic treatment due to partial debonding of a lingual retainer, which may go unnoticed by the patient until the spaces have reappeared. Most p...
2745.
Volume 59 : Number 7 : Page 439 : Jul 2025
In this jaw-specific dysplasia, bone is replaced by fibrous connective tissue that gradually mineralizes. Drs. Cruz Walma, Kravitz, Weissheimer, and Akyalçin present the case of a 53-year-old female patient with the condition and discuss the implications for orthodontic treatment.
2746.
An Uprighting Auxiliary for Deeply Impacted Mandibular Molars
Volume 47 : Number 4 : Page 255 : Apr 2013
Ectopic impaction of mandibular second molars is a rare and challenging dental anomaly, often requiring a multidisciplinary treatment approach.1-5 Solutions involving surgical repositioning alone have...
2747.
PEARLS
A Landmark for Monitoring the Progress of a Bonded Palatal Expander
Volume 47 : Number 4 : Page 260 : Apr 2013
The bite-block rapid maxillary expander, introduced by McNamara,1 is widely used in orthodontic practice for its ability to control molar extrusion in hyperdivergent patients through muscle-tone activ...
2748.
Volume 6 : Number 6 : Page 324 : Jun 1972
The orthodontist, faced with handling an increasing number of patients, realizes the need to become as efficient as possible, using minimal chair time, yet keeping high standards for treatment and fin...
2749.
Volume 13 : Number 2 : Page 112 : Feb 1979
The solution that I have found for the usual economic problems of the recent graduate in a new practice and for the growing economic problems of many established practitioners involves sharing time, s...
2750.
Volume 46 : Number 5 : Page 301 : May 2012
Damon* self-ligating brackets (SLBs) have passive slides that convert the slots into tubes to hold the archwire without elastomeric or wire ligation.1,2 Advantages attributed to passive SLBs include r...
2751.
Practical and Esthetic Considerations in Adult Canine-Extraction Treatment
Volume 47 : Number 6 : Page 353 : Jun 2013
Orthodontists generally avoid canine extractions because of the importance of these teeth in establishing a functional, esthetically correct occlusion. Not only are the canines necessary in guiding la...
2752.
Volume 18 : Number 8 : Page 551 : Aug 1984
JCO has asked Dr. Bjorn Zachrisson, a member of the JCO Contributing Editors Board and Chairman of the Orthodontic Department at the University of Oslo, Norway, to interview some leading European orth...
2753.
Volume 29 : Number 10 : Page 0 : Oct 1995
1. How often and for what reasons do you prescribe any of the following drugs or treatments? Anti-inflammatory drugs and muscle relaxantsOnly a few of the respondents said they prescribed these drugs ...
2754.
CASE REPORT
Transplantation after Failure of Eruption
Volume 22 : Number 3 : Page 0 : Mar 1988
Failure of eruption can be a difficult clinical problem. It has been described by a number of terms, including infra-occlusion and submergence, and can also be linked to ankylosis, a union between bon...
2755.
Bracket Retention after 15-Second Acid Conditioning
Volume 22 : Number 4 : Page 0 : Apr 1988
Enamel acid conditioning for bonding orthodontic brackets has traditionally been a 60-second procedure. Early reports indicated that phosphoric acid solutions of 20-50% were effective with 60-second e...
2756.
Internal Root Resorption from Palatal Invaginations
Volume 23 : Number 12 : Page 0 : Dec 1989
Palatal invaginations, or "dens-in-dente", are relatively rare. Such teeth appear normal, but have an irregular arrangement of dental tissues. The invagination of the developing tooth results in vario...
2757.
Scanatron Enhancement of Radiographic Contrast
Volume 28 : Number 6 : Page 0 : Jun 1994
Radiographs have a wide range of contrast, from hard features such as bone or orthodontic brackets (appearing white) to soft tissues of varying densities (some almost black). The tonal range between t...
2758.
New American Heart Association Recommendations for Prevention of Bacterial Endocarditis
Volume 31 : Number 11 : Page 758 : Nov 1997
The American Heart Association, in June 1997, changed its guidelines for dentists regarding the prevention of bacterial endocarditis with prophylactic antibiotics.1 A single dose of 2g of Amoxicillin ...
2759.
PEARLS
Closure of Mandibular Spaces During Retention
Volume 52 : Number 11 : Page 639 : Nov 2018
Extraction spaces often reopen within a year following orthodontic treatment. This Pearl presents a simple modification to a wraparound retainer, using a cinched nickel titanium wire in the labial bow, that can close a relapsed space in the lower arch during retention.
2760.
PEARLS
The Hybrid Aligner Approach for Extrusion and Rotation of Posterior Teeth
Volume 55 : Number 1 : Page 69 : Jan 2021
Partially erupted upper second molars are difficult to correct with clear aligners alone. This Pearl shows how posterior fixed appliance segments can be used in conjunction with aligners to derotate the second molars and promote posterior occlusion and settling.
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