Photoelastic analysis of internal screw fixation after sagittal split ramus osteotomy

Analysis of Stress and Fracture Strength of Zirconia Implants after Cyclic Loading

“…The photoelastic method chosen for the present research has been widely used by several authors [15][16][17][18][19] , who describe and qualify photoelasticity as being the method for analysis Table 2. Comparison of mean stress (standard deviation) (MPa) for titanium and zirconia implants (2-way ANOVA, Bonferroni, (p < .05).…”

Osteotomía Sagital de Rama Mandibular con Osteosíntesis en L Invertido: Estudio Mecánico con Fotoelasticidad

“…El modelo fotoelástico realizado en este estudio ha sido utilizado en otras investigaciones demostrando su eficiencia y claridad en exhibir la distribución de tensiones (Kim et al, 1993), transformándo-se un modelo grafico y confiable para la observación de tensiones. Este modelo de análisis ha sido utilizado en diferentes aspectos de los estudios mecánicos y en el campo de la cirugía oral y maxilofacial tiene importancia en el análisis del comportamiento de implantes (Jaimes et al, 2009) y modelos de osteosíntesis en fracturas faciales (Christopoulos et al, 2012) y osteotomías maxilo mandibulares (Lima et al, 2011).…”

In vitro comparison of 1.5 mm vs. 2.0 mm screws for fixation in the sagittal split osteotomy

“…The perpendicular insertion of positional screws in the inverted L configuration is one of the most critically evaluated of the rigid internal fixation techniques, and is considered the "gold standard" by which other forms of fixation have been compared in most biomechanical experiments (Foley et al, 1989). Kim et al (1993) evaluated through photoelastic analysis four different screw placement patterns employed for fixation of the SSRO. This study reported that the use of a three screw in triangular (inverted L) or oblique linear pattern seemed to be the optimal method of fixation, because potential damage to the surrounding structures could develop in the presence of large stress.…”