Orthodontics

Orthodontics, formerly orthodontia (from Greek orthos “straight or proper or perfect”; and odous “tooth”) is the first specialty of dentistry that is concerned with the study and treatment of malocclusions (improper bites), which may be a result of tooth irregularity, disproportionate jaw relationships, or both. Orthodontic treatment can focus on dental displacement only, or can deal with the control and modification of facial growth. In the latter case it is better defined as “dentofacial orthopaedics”. Orthodontic treatment can be carried out for purely aesthetic reasons with regards to improving the general appearance of patients’ teeth. However, there are orthodontists who work on reconstructing the entire face rather than focusing exclusively on teeth.

Modern Orthodontics
The use of digital models in orthodontics is rapidly increasing as the industry undergoes analog to digital conversions in record keeping. The University of Minnesota recently developed Three Dimensional Dental Models for Computer Automated Treatment Simulation that can be used to reduce the amount of human input needed for orthodontic treatment planning. This software tool has the ability to automatically segment teeth from one another and the gums. Digital laboratories are currently being used by many orthodontists, but can be very expensive. This software provides an efficient and cost-effective method for completing the segmentation process.

Methods
For comprehensive orthodontic treatment, most commonly, metal wires (Juste) are inserted into orthodontic brackets (see dental braces), which can be made from stainless steel or a more aesthetic ceramic material. The wires interact with the brackets to move teeth into the desired positions. Other methods may include (1) invisalign. Invisalign consists of clear plastic aligners that ‘level and align’, but require more patient compliance than traditional braces. In most cases, invisalign is not a suitable replacement for traditional braces. (2) Suresmile, a dental treatment system that uses 3-D imaging and a robot to shorten the time to straight teeth.
Dental braces, with a powerchain, removed after completion of treatment.

Additional components—including removable appliances (“plates”), headgear, expansion appliances, and many other devices—may also be used to move teeth and jaw bones. Functional appliances, for example, are used in growing patients (age 5 to 14) with the aim of modifying the jaw dimensions and relationship if these are altered. This therapy, termed Dentofacial Orthopedics, is frequently followed by fixed multibracket therapy (“full braces”) to align the teeth and refine the occlusion.

Hawley retainers are the most common type of retainers. This picture shows retainers for the top and bottom of the mouth.

Orthodontics is the study of dentistry that is concerned with the treatment of improper bites, and crooked teeth. Orthodontic treatment can help fix your teeth and set them in the right place. Orthodontists usually use braces and retainers to set your teeth.[2] There are, however, orthodontists who work on reconstructing the entire face rather than focusing exclusively on teeth. After a course of active orthodontic treatment, patients will typically wear retainers, which maintain the teeth in their improved positions while surrounding bone reforms around them. The retainers are generally worn full-time for a period, anywhere from just a few days to a year, then part-time (typically, nightly during sleep) for as long as the orthodontist recommends. It is possible for the teeth to stay aligned without regular retainer wear. However, there are many reasons teeth will crowd as a person ages, whether or not the individual ever experienced orthodontic treatment; thus there is no guarantee that teeth will stay aligned without retention. For this reason, many orthodontists prescribe night-time or part-time retainer wear for many years after orthodontic treatment (potentially for life). Adult orthodontic patients are more likely to need lifetime retention.

Diagnosis and treatment planning
In diagnosis and treatment planning, the orthodontist must (1) recognize the various characteristics of a malocclusion or dentofacial deformity; (2) define the nature of the problem, including the etiology if possible;(3) design a treatment strategy based on the specific needs and desires of the individual; and (4) present the treatment strategy to the patient in such a way that the patient fully understands the ramifications of his/her decision.

The New York Times has recently written that orthodontists are using Cone Beam CT too much in the diagnosis and treatment of orthodontic patients, leading to an unnecessary increased risk of cancer.

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Dr. David Lloyd Complete Dental Care
10425 W. North Avenue
Milwaukee, Wisconsin 53226

414-453-1423

 

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10425 W. North Avenue Milwaukee, Wisconsin 53226

414-453-1423

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