작성자 Brock 댓글 0건 조회 5회 작성일 26-01-27 00:29

Orthodontic expansion devices play a vital role in resolving malocclusions, especially in growing individuals whose facial structures are still maturing. These instruments are specifically constructed to gradually widen the maxilla or hard palate, establishing additional room for dental crowding and optimizing the bite relationship between the dental arches. This process, known as orthopedic widening, is frequently indicated when a narrow upper jaw leads to problems such as reverse bites, 表参道 歯並び矯正 overcrowding, or airway obstruction.

The most common type of expansion device is the hyrax expander, which is bonded to the maxillary first molars and features a central screw that is turned a small amount each day using a expansion key. Every adjustment applies gentle pressure to the maxillary bones, stimulating them to separate and rebuild. Gradually, this produces more room in the mouth eliminating the necessity of deciduous tooth removal. The active phase typically requires a few months, followed by a retention period to allow osteogenesis and stabilize the corrections.

Not only correcting tooth alignment, palatal expanders can also enhance breathing by dilating the nasal airway. A constricted maxilla can restrict airflow, leading to oral respiration and even obstructive sleep apnea. By lengthening the jaw, these appliances can help encourage healthy airflow, which is healthier and more efficient. In select patients, maxillary expansion is used in conjunction with other therapies like braces or myofunctional devices to maximize outcomes.

While expansion is most effective during the mixed dentition stage, when the craniofacial plasticity is high, there are options for older patients as well, although the correction requires more time and often involves SARPE. Early evaluation by an orthodontist is key to determining whether expansion is the optimal treatment and when to begin treatment.

Jaw expansion appliances are not suitable for every case, but for many patients, they offer a minimally invasive way to resolve skeletal imbalances that could result in more long-term oral health complications later in life. With proper care and compliant wear, these therapies can substantially transform both the efficiency and smile esthetics of a person’s oral profile.