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Efficacy of Minimally Invasive Surgical Technique in Accelerating Orthodontic Treatment

8 de junio de 2016 actualizado por: Damascus University

Evaluation the Efficacy of Flapless Corticotomy Accomplished by Either Hard-laser or Piezosurgey in Accelerating Upper Canine Retraction and Evaluation of the Dento-alveolar Changes and the Levels of Acceptance and Discomfort.

Thirty six patients needs therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines will be divided randomly into two groups : piezocision group and the ER:yttrium aluminum garnet (YAG) laser group. In each group, piezocision or hard laser-assisted flapless corticotomy will randomly assigned to one side of the maxillary arch at the first premolar region, and the other side served as the control. Canine retraction will be initiated after completion of the leveling and alignment phase via closed nickel-titanium coil springs applying 150 g of force per side, soldered trans-palatal arch will be used as an anchor unit.

Pre- and post distalization dental casts will be evaluated to study rate of canine distalization, canine rotation and anchorage loss over a follow-up period until a Class I canine relationship is achieved. The levels of pain and discomfort will be self-reported using a questionnaire with visual analog scales administered at four assessment times during the first month after the minimally invasive procedure.

Descripción general del estudio

Descripción detallada

One main issue in orthodontics is the prolonged treatment time, leading patients, especially adults, to avoid treatment or seek alternative options such as implants or veneers with less than optimal results.

Therefore, the search for methods that decrease the treatment duration is a main challenge in orthodontic research. Decreased duration of therapy seems to be related not only to better patient compliance, but also to reduced treatment -related root resorption , better periodontal health and lower risk of caries and white spots. Adjunct to the proper selection of brackets, wires, biomechanic systems, force levels, and anchorage systems, an array of novel techniques has been introduced to accelerate orthodontic tooth movement. These techniques can be briefly categorized as surgical and non-surgical. However The surgical approach is the most clinically used and most tested with known predictions and stable results. The invasiveness of surgical procedures, requiring full mucoperiosteal flaps, might have been a drawback for their widespread acceptance among orthodontists and patients. Therefore, more conservative flapless corticotomy techniques have recently been proposed. Although various techniques of flapless corticotomy have been reported to be successful in practice, scientific evidence for their effectiveness so far has been limited to case series and a handful of clinical trials, generally with small groups. Therefore further controlled prospective studies are needed to study the effectiveness of flapless corticotomy in accelerating orthodontic tooth movement .

Tipo de estudio

Intervencionista

Inscripción (Actual)

36

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

      • Damascus, República Árabe Siria, DM20AM18
        • Department of Orthodontics, University of Damascus Dental School

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

14 años a 27 años (Niño, Adulto)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  • Adult healthy patients , Male and female , Age range: 15-27 years.
  • Class II Division 1 malocclusion :

    • Mild / moderate skeletal Class II (sagittal discrepancy angle ≤7)
    • Overjet ≤10
    • Normal or excessive facial height (Clinically and then cephalometrically assessed using these three angles : mandibular/cranial base angle, maxillary/mandibular plane angle and facial axis angle)
    • Mild to moderate crowding ≤ 4
  • Permanent occlusion.
  • Existence of all the upper teeth (except third molars).
  • Good oral and periodontal health:

    • Probing depth < 4 mm
    • No radiographic evidence of bone loss .
    • Gingival index ≤ 1
    • Plaque index ≤ 1

Exclusion Criteria:

  • Medical problems that affect tooth movement (corticosteroid, nonsteroidal antiinflammatory drugs (NSAIDs), …)
  • patients have anti indication for oral surgery ( medical - social - psycho)
  • Presence of primary teeth in the maxillary arch
  • Missing permanent maxillary teeth (except third molars).
  • Poor oral hygiene or Current periodontal disease:

    • Probing depth ≥ 4 mm
    • radiographic evidence of bone loss
    • Gingival index > 1
    • Plaque index > 1
  • Patient had previous orthodontic treatment

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Único

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Piezosurgery
In one half of the dental arch, piezosurgery will be performed for canine retraction, whereas in the other half ordinary canine retraction procedure will be followed.
Corticotomy cuts will be performed by this technique.
Experimental: ER:YAG Laser
In one half of the dental arch, ER:YAG laser irradiation will be performed for canine retraction, whereas in the other half ordinary canine retraction procedure will be followed.
Corticotomy cuts will be performed by this technique.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Rate of canine retraction
Periodo de tiempo: This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which takes up to 12 weeks
The distance traveled by mm is divided by the time required in weeks.
This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which takes up to 12 weeks

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Rate of molar anchorage loss
Periodo de tiempo: This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which may take up to 12 weeks
The amount of mesial movement of the first molar in millimeters (mm) is divided by the time required to retract the upper canines (in weeks).
This will be measured immediately at the end of the tooth movement, i.e. when the retracted canine reaches its final position which may take up to 12 weeks
Change in canine rotation
Periodo de tiempo: This will be measured at the following assessment times: T1: baseline, T2: after 4 weeks of canine retraction, T3: after 8 weeks of canine retraction, T4: when the canine reaches its final position up to 12 weeks
This measurement will be performed on plaster models taken at the aforementioned assessment times.
This will be measured at the following assessment times: T1: baseline, T2: after 4 weeks of canine retraction, T3: after 8 weeks of canine retraction, T4: when the canine reaches its final position up to 12 weeks
Change in the levels of pain and discomfort
Periodo de tiempo: These levels will be assessed at: one day following the intervention, one week, two weeks, and four weeks following the intervention.
Assessment will be performed using questionnaires via visual analog scales.
These levels will be assessed at: one day following the intervention, one week, two weeks, and four weeks following the intervention.

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Investigadores

  • Investigador principal: Alaa Alfawal, DDS, MSc student at the Orthodontic Department, University of Damascus Dental School
  • Silla de estudio: Mohammad Y Hajeer, DDS MSc PhD, Associate Professor of Orthodontics, University of Damascus Dental School

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio

1 de abril de 2015

Finalización primaria (Actual)

1 de abril de 2016

Finalización del estudio (Actual)

1 de junio de 2016

Fechas de registro del estudio

Enviado por primera vez

11 de noviembre de 2015

Primero enviado que cumplió con los criterios de control de calidad

16 de noviembre de 2015

Publicado por primera vez (Estimar)

17 de noviembre de 2015

Actualizaciones de registros de estudio

Última actualización publicada (Estimar)

10 de junio de 2016

Última actualización enviada que cumplió con los criterios de control de calidad

8 de junio de 2016

Última verificación

1 de junio de 2016

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • UDDS-Ortho-03-2015

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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