ArticleScientific reports2026
Comparative evaluation of intraosseous heat generation during bovine bone graft harvesting using two collector systems: a linear regression analysis.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
To compare heat generation within bone during the collection of autologous bone grafts using two different collection systems under controlled laboratory conditions. Forty D2-type bovine rib fragments were collected from an authorized slaughterhouse after the animals had been slaughtered for food. The samples were randomly divided into two groups: OSBC and Artifol. In each group, two types of drills (Ø4 mm and Ø5 mm) and two irrigation temperatures (room temperature and 10 °C) were tested. Perforation was controlled and temperature was measured with a Fluke TiS55 + thermal imaging camera. Statistical analysis included normality tests (Shapiro-Wilk), comparison of means (Student's t-test), and multiple linear regression, all with a 95% confidence level and using Stata 17.0. The findings from the regression analysis indicated that using the Artifol System resulted in an increase in intra-osseous temperature by approximately + 0.92 °C (95% CI 0.30-1.55; p = 0.005). There was also a borderline increase in temperature produced with a Ø4 mm bur compared to a Ø5 mm bur (+ 0.32 °C; 95% CI 0.00-0.64; p = 0.048). When using cooled irrigation (10 °C), there were no longer any significant differences between the two systems and the OSBC system showed a slight decrease in temperature (- 0.18 °C; p = 0.301). In order to help establish this model further, the intercepts for both models showed baseline intraosseous temperatures of 13.40 °C and 14.82 °C, under ambient and cooled conditions respectively, providing further evidence of the superiority of irrigation as a means of thermal management. The type of collector system and the size of the bur will affect heat generation in bone, especially if the cold irrigation is discontinued. The continued application of irrigation at 10 °C has a strong effect on heat generation by the drill bur and results in the reduction of differences generated by devices and reinforcing its utility as a preventative technique in bone surgery.
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