Bone Biology
A registrar is reviewing fracture biology with their consultant. They discuss the differences between primary and secondary bone healing, the cellular events at each stage, and factors that influence successful union. The consultant emphasizes the importance of understanding these principles for selecting appropriate fixation methods. Regarding bone healing:
Mark each as TRUE or FALSE
Secondary (indirect) bone healing occurs with relative stability and involves callus formation; it p...
Primary (direct) bone healing occurs with absolute stability (interfragmentary strain less than 2%) ...
Primary healing occurs with relative stability and produces callus; secondary healing requires absol...
Key cells in fracture healing: osteoclasts (bone resorption, cutting cones in primary healing), oste...
Factors affecting bone healing: systemic factors include age, nutrition, smoking (impairs microvascu...
Answer the questions to see explanations
Click T (True) or F (False) for each option