A sign on the door of Dr. Robert Benjamin “RB” Koch’s dental practice says Dr. Anthony Simon of AA Dental in The Dalles will be covering for Koch’s patients, and that Koch’s practice is closed until further notice.

Koch, 58, remained jailed Friday on felony charges of strangulation and fourth-degree assault, as well as two other misdemeanor charges. One is a no-bail hold on a misdemeanor probation violation charge for allegedly contacting the victim from a previous fourth-degree domestic violence charge.