The present invention relates to a unit chair for dental clinic which collects expensive metals, such as gold, silver, plated gold, and the likes, from patients in dental clinic and a method for collecting metals from the patients in dental clinic. The unit chair for dental clinic comprises: a main body in which space is formed and various pipes are located inside a dental cuspidor which is connected to the main body and for a patient to spit saliva a holder which is connected to the main body and holds hand pieces a suction hand piece which is held by the holder and for sucking saliva inside the mouth of a patient and a metal collecting container which has a container main body, a lid and first and second connection pipes which are installed in the lid, and in which the first connection pipe is connected to the suction hand piece through a hose and the second connection pipe is connected to the main body through the hose. The unit chair for dental clinic has a structure that saliva of the patient, which is sucked by the suction hand piece, is entered into the container main body through the first connection pipe and the saliva is discharged through the second connection pipe and the pipe inside the main body. According to such structure, the metal collecting container is arranged near the unit chair in which the patient is treated and gold powder inside the metal collecting container is precipitated so that most metals, such as gold, silver, plated gold, and the likes, produced from the patient during the dental clinic can be collected and contributed to resource recycling.COPYRIGHT KIPO 2014본 발명은 치과 진료 중에 환자로부터 발생되는 금, 은, 백금 등과 같은 고가의 금속을 수거하기 위한 치과용 유니트 체어 및 치과 환자로부터 금속을 수거하는 방법에 관한 것이다. 상기 치과용 유니트 체어는 내부에 공간이 형성되며 각종 배관이 위치하는 본체 상기 본체와 연결되고 환자가 타액을 뱉기 위한 타구대 상기 본체와 연결되고 핸드피스들이 거치되는 거치대 상기 거치대에 거치되고, 환자 입속의 타액 등을 흡입하기 위한 석션핸드피스 용기본체, 뚜껑, 상기 뚜껑에 설치된 제1 연결관과 제2 연결관을 갖고, 상기 제1 연결관은 호스를 통해 상기 석션핸드피스와 연결되고 상기 제2 연결관은 호스를 통해 상기 본체와 연결되는 금속 수거 용기 를 포함하고, 상기 석션핸드피스에 의해
