Furthermore, patients undergoing less painful procedures, such as dental work, can use cheaper, commercially available systems. (Phobia patients can also use the less expensive headsets.

• 而且，面对像牙科手术这类较不疼痛的治疗程序，患者可以使用目前已经上市、比较便宜的系统。（恐惧症患者也可以使用比较便宜的头套。）