Fractured tooth or alveolar bone plates 
- Move the tip of the root 
- Bleeding 
- Inflammation of the alveolar bone dry 
- Swimming tuberosity 
- Infections 
- Maxillary sinus 
- Feeling deviations 
- Soft tissue injuries

A number of factors make the tooth hard

- Location of the dental arch: common front to smaller teeth, upper teeth less difficult lower teeth. 
- Status of crowns: the great deep broken tooth tank easily cracked tooth, so it difficult to pluck 
- Shake Teeth: loose teeth as a result of periodontal disease are easier to remember. That the stiffness increases the difficulty for tooth extraction 
- The length and shape of the tooth 
- Living structures adjacent tooth extraction 
- Attitudes and the patient's overall health