After the pack is removed, how does tooth mobility change?

Tooth mobility typically increases after the removal of a periodontal pack due to the changes in tissue support and healing processes that occur during and after periodontal surgery. When a periodontal pack is placed, it provides stabilization to the soft tissues and protects the healing sites. However, once the pack is removed, the stabilization is lost temporarily, leading to an increase in mobility as the supporting structures, including the periodontal ligament and alveolar bone, need time to heal and regain their strength.

During this healing phase, the tissues might still be inflamed and less robust than prior to the surgical procedure. Therefore, it is not uncommon for teeth to appear more mobile immediately after the pack is withdrawn. Over time, as healing progresses and the supporting structures rebuild, tooth mobility is expected to decrease and return to normal levels.

The other choices do not accurately reflect this post-operative condition. The statement regarding teeth being less mobile would not apply immediately following the removal of the pack. Suggesting that the teeth remain the same or become brittle does not take into consideration the dynamic healing process that occurs after periodontal surgery, which inherently involves changes in tooth mobility.