Effectiveness of low-level laser therapy in accelerating the orthodontic tooth movement: A systematic review and meta-analysis
Bakdach WMM, Hadad R
Dental and medical problems · 23 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2020-03-31 · Dent Med Probl · vol. 57 · número 1 · págs. 73–94
- Editorial
- Wroclaw Medical University Press
- Citado
- 42 citas · más que el 76% de estudios similares · 1.5× el promedio de su campo
- Referencias
- 29 trabajos
- Acceso
- Acceso abierto (publicación gratuita) · CC-BY
- Áreas de investigación
- Orthodontics and Dentofacial Orthopedics · Laser Applications in Dentistry and Medicine · Dental Trauma and Treatments
- Palabras clave
- low-level laser therapy, orthodontic tooth movement, canine retraction, laser fluence, orthodontic appliances
- MeSH
- social behavior, mental processes, databases, factual, low-level light therapy, tooth movement techniques
2 autores
- Wesam Mhd Mounir Bakdach🇸🇾 · autor de correspondenciaDamascus University
- Rania Hadad🇸🇾Damascus University
Resumen
El texto original del estudio, en el idioma en que se publicó.
Objectives
The aim of the paper was to appraise the current evidence of the effectiveness of low-level laser therapy (LLLT) in accelerating the tooth movement.
Methods
A comprehensive search was performed in 9 databases up to June 2019. Only randomized controlled trials (RCTs) were included. The risk of bias was assessed using the Cochrane Collaboration tool. The quantitative data synthesis was attainable only for the studies evaluating the effect of laser on canine retraction; the qualitative description was used for the rest of the studies. The overall quality of evidence was rated using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) criteria.
Results
A total of 25 RCTs were included in this review. The radiated upper canines showed a greater retraction – 0.50 mm and 0.49 mm at months 2 and 3, respectively. The radiated lower canines showed a greater retraction – 0.28 mm and 0.52 mm at months 2 and 3, respectively. No statistically significant differences were observed among the upper and lower canines after the 1st month of retraction. When the GRADE approach was utilized, the overall quality of evidence limited confidence in the estimates. The qualitative description revealed enhanced tooth movement when LLLT was applied. The attrition bias was the main risk factor affecting the methodology of the studies.
Conclusion
Low-level laser therapy can speed up the rate of the tooth movement. However, the overall quality of evidence ranged from low to very low and the clinical significance of the obtained statistically significant differences is questionable. Hence, more precise studies are needed. As discussed in this review, it is highly recommended to express and compare the laser dosage with the total number of joules applied per month rather than the previously used J/cm2. Moreover, the previous recommendation indicating that lower energy densities (2.5, 5 and 8 J/cm2) are more effective than 20 and 25 J/cm2 is misleading.
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