Side Switch Frequency while Masticating Different Chewing Materials, and its Relationship with Other Masticatory Behaviors and Sensory Perceptions

•The mean side switch relative frequency is 25–30 % while chewing nutritive foods.•The normal range of masticatory side switch relative frequency is 5–50 %.•Gender, food type, and chewing period are related to side switch frequency.•Masticatory side switch frequency is stable for each chewing material.•Side switch frequency is not obviously correlated with sensory perception.