The advantages of removable dentures, the amount of tooth grinding less, the price is low, easy to take off and wear, easy to wash and brush, can better maintain the cleanliness of the oral cavity, repair and replenishment is more convenient than fixed dentures. The disadvantages of movable dentures are: chewing efficiency and stability than fixed dentures, movable dentures generally have metal rings (commonly known as hooks) exposed on the lip or cheek side, affecting the aesthetics, small movable dentures are easy to fall off, accidentally into the esophagus, trachea, serious cases can be life-threatening, large movable dentures are large, the first wear a foreign body feeling, nausea, sometimes affect pronunciation, over time, these feelings will gradually disappear, the specific time will be different depending on individual differences.