Yes, you can usually continue brushing gently with a soft-bristled toothbrush. Take care around any sharp or sensitive areas, and avoid pressing directly against the damaged edge. Keep the area clean until your dentist can examine it and advise you on further care. 

 Pain when releasing pressure can sometimes occur when a crack allows parts of the tooth to move slightly during chewing. Other dental problems can cause similar symptoms. Your dentist may perform bite tests and examine the tooth to identify the source of the discomfort. 

 Sometimes. A damaged molar may be restored with a crown if enough healthy tooth structure remains. If the fracture extends into the root or leaves the tooth beyond repair, other treatment may be necessary. An examination will help determine whether the molar can be saved. 

 Yes. Avoid hard, crunchy, or sticky foods that could place extra pressure on the damaged tooth. Softer foods are generally easier to manage, and chewing on the opposite side may help reduce discomfort. Your dentist can give you specific advice after assessing the fracture.