Complex sentence: While the bone may feel healed and not hurt during daily activity, the process of bone remodeling may take place for many months after the injury feels healed, and incidences of refracturing the bone are still a significant risk.
Split into simpler sentences: While the bone may feel healed and not hurt during daily activity, the process of bone remodeling may take place for many months after the injury feels healed. Incidences of refracturing the bone are still a significant risk.