Which of the following terms describe human dentition?

Heterodont is a condition in which different types of teeth are present. Humans have four types of teeth, namely incisors, canines, premolars and molars. Thecodont is a condition in which teeth are embedded in the sockets. Diphyodont is a condition in which there are two sets of teeth, temporary and permanent. All these are characteristics of human dentition. So, the correct answer is option C.