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561.#.#.a: Facultad de Odontología, UNAM

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351.#.#.b: Revista Mexicana de Ortodoncia

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856.4.0.u: https://revistas.unam.mx/index.php/rmo/article/view/54186/48223

100.1.#.a: Iniestra Iturbe, Oscar

524.#.#.a: Iniestra Iturbe, Oscar (2014). Resistance to traction forces in mini-implants used in Ortohodontics depending on the insertion angle. Revista Mexicana de Ortodoncia; Vol. 2 Núm. 3, 2014. Recuperado de https://repositorio.unam.mx/contenidos/59224

245.1.0.a: Resistance to traction forces in mini-implants used in Ortohodontics depending on the insertion angle

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Odontología, UNAM

264.#.0.c: 2014

264.#.1.c: 2016-02-02

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041.#.7.h: spa

520.3.#.a: For maximum anchorage in orthodontics, mini-implants have been used for various tooth movements without causing unwanted reactive forces on the teeth. The purpose of this study was to evaluate the mechanical resistance to traction of mini-implants to be evicted from bone and assess whether they can increase their tensile strength depending on its insertion angle (60 and 90o). Pig hip cuts were used for the placement of 5 mini-implants which were inserted with a 60o angulation and a 90o angulation. Ten new 2.5 mm (neck) x 1.6 (diameter) x 8 mm (length) with fl at head self- drilling mini-implants were used (MOSAS Dewimed. Germany). They were subjected to perpendicular tensile forces, using a universal mechanical testing machine (Instron) with a loading rate of 1 mm/min. The results were analyzed using Student’s t test. It was observed that 90o angulation mini-implants had better resistance (7.40 ± 2.68 Mpa) than 60o angulation ones (4.21 ± 0.58 Mpa). 90o angulation mini-implants could be a better option for orthodontic treatment due to their higher resistance to traction forces thus improving stability.Key words: Anchorage, miniscrews, tensile strenght.

773.1.#.t: Revista Mexicana de Ortodoncia; Vol. 2 Núm. 3 (2014)

773.1.#.o: https://revistas.unam.mx/index.php/rmo

022.#.#.a: ISSN: 2395-9215

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doi: https://doi.org/10.1016/S2395-9215(16)30146-5

handle: 11fb8e8c33e36a7d

harvesting_date: 2023-06-20 16:00:00.0

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last_modified: 2023-06-20 16:00:00

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Artículo

Resistance to traction forces in mini-implants used in Ortohodontics depending on the insertion angle

Iniestra Iturbe, Oscar

Facultad de Odontología, UNAM, publicado en Revista Mexicana de Ortodoncia, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Odontología, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Iniestra Iturbe, Oscar (2014). Resistance to traction forces in mini-implants used in Ortohodontics depending on the insertion angle. Revista Mexicana de Ortodoncia; Vol. 2 Núm. 3, 2014. Recuperado de https://repositorio.unam.mx/contenidos/59224

Descripción del recurso

Autor(es)
Iniestra Iturbe, Oscar
Tipo
Artículo Técnico-Profesional
Área del conocimiento
Medicina y Ciencias de la Salud
Título
Resistance to traction forces in mini-implants used in Ortohodontics depending on the insertion angle
Fecha
2016-02-02
Resumen
For maximum anchorage in orthodontics, mini-implants have been used for various tooth movements without causing unwanted reactive forces on the teeth. The purpose of this study was to evaluate the mechanical resistance to traction of mini-implants to be evicted from bone and assess whether they can increase their tensile strength depending on its insertion angle (60 and 90o). Pig hip cuts were used for the placement of 5 mini-implants which were inserted with a 60o angulation and a 90o angulation. Ten new 2.5 mm (neck) x 1.6 (diameter) x 8 mm (length) with fl at head self- drilling mini-implants were used (MOSAS Dewimed. Germany). They were subjected to perpendicular tensile forces, using a universal mechanical testing machine (Instron) with a loading rate of 1 mm/min. The results were analyzed using Student’s t test. It was observed that 90o angulation mini-implants had better resistance (7.40 ± 2.68 Mpa) than 60o angulation ones (4.21 ± 0.58 Mpa). 90o angulation mini-implants could be a better option for orthodontic treatment due to their higher resistance to traction forces thus improving stability.Key words: Anchorage, miniscrews, tensile strenght.
Idioma
spa
ISSN
ISSN: 2395-9215

Enlaces