Effect of a low-level laser on bone regeneration after rapid maxillary expansion
Cepera F, Torres FC, Scanavini MA, Paranhos LR, Capelozza Filho L, Cardoso MA, Siqueira DC, Siqueira DF
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics · 50 citas
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- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
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- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2012-03-27 · Am J Orthod Dentofacial Orthop · vol. 141 · número 4 · págs. 444–450
- Editorial
- Elsevier BV
- Citado
- 81 citas · más que el 97% de estudios similares · 7.4× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 43 trabajos
- Acceso
- De pago
- Áreas de investigación
- Orthodontics and Dentofacial Orthopedics · Laser Applications in Dentistry and Medicine · Facial Trauma and Fracture Management
- Palabras clave
- low-level laser therapy, rapid maxillary expansion, bone regeneration, midpalatal suture, laser diode, pediatric patients, maxillary growth
- MeSH
- cranial sutures, maxilla, palate, hard, humans, radiography, dental, digital, absorptiometry, photon, follow-up studies, radiation dosage, orthodontic appliance design, palatal expansion technique, bone regeneration, bone density, image processing, computer-assisted, child, female, male, lasers, semiconductor, low-level light therapy
10 autores
- Fernanda Cepera🇧🇷Universidade Metodista de São Paulo
- Fernando César Torres🇧🇷Universidade de São Paulo
- Marco Antônio Scanavini🇧🇷Universidade Metodista de São Paulo
- Luiz Renato Paranhos🇧🇷Universidade Sagrado Coração
- Leopoldino Capelozza Filho🇧🇷Universidade Sagrado Coração
- Maurício de Almeida Cardoso🇧🇷Universidade Sagrado Coração
- Danieli C.R. Siqueira🇧🇷 · autor de correspondenciaUniversidade de São Paulo; Universidade Sagrado Coração
- Danieli C.R. Siqueira🇧🇷Universidade de São Paulo; Universidade Sagrado Coração
- Danilo F. Siqueira🇧🇷 · autor de correspondenciaUniversidade de São Paulo; Universidade Sagrado Coração
- Danilo F. Siqueira🇧🇷Universidade de São Paulo; Universidade Sagrado Coração
Resumen
El texto original del estudio, en el idioma en que se publicó.
Introduction
In this study, we evaluated the effects of a low-level laser on bone regeneration in rapid maxillary expansion procedures.
Methods
Twenty-seven children, aged 8 to 12 years, took part in the experiment, with a mean age of 10.2 years, divided into 2 groups: the laser group (n = 14), in which rapid maxillary expansion was performed in conjunction with laser use, and the no-laser group (n = 13), with rapid maxillary expansion only. The activation protocol of the expansion screw was 1 full turn on the first day and a half turn daily until achieving overcorrection. The laser type used was a laser diode (TWIN Laser; MMOptics, São Carlos, Brazil), according to the following protocol: 780 nm wavelength, 40 mW power, and 10 J/cm(2) density at 10 points located around the midpalatal suture. The application stages were 1 (days 1-5 of activation), 2 (at screw locking, on 3 consecutive days), 3, 4, and 5 (7, 14, and 21 days after stage 2). Occlusal radiographs of the maxilla were taken with the aid of an aluminum scale ruler as a densitometry reference at different times: T1 (initial), T2 (day of locking), T3 (3-5 days after T2), T4 (30 days after T3), and T5 (60 days after T4). The radiographs were digitized and submitted to imaging software (Image Tool; UTHSCSA, San Antonio, Tex) to measure the optic density of the previously selected areas. To perform the statistical test, analysis of covariance was used, with the time for the evaluated stage as the covariable. In all tests, a significance level of 5% (P <0.05) was adopted.
Results
From the evaluation of bone density, the results showed that the laser improved the opening of the midpalatal suture and accelerated the bone regeneration process.
Conclusions
The low-level laser, associated with rapid maxillary expansion, provided efficient opening of the midpalatal suture and influenced the bone regeneration process of the suture, accelerating healing.
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