Normal size opening is mostly based on body size. You are quite small, so 41mm may be your normal size opening. However, betel nuts are known to cause trismus (reduced opening) of the mouth. Use the 3-finger test (above) to determine if you are achieving your maximum opening.
Brown County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 248,007, making it the fourth-most populous county in Wisconsin. The county seat is Green Bay. Brown County is part of the Green Bay, WI Metropolitan Statistical Area.
Florence County is located in northeastern Wisconsin on the Upper Peninsula of Michigan border about 1.5 hours north of Green Bay. It covers 488 sq miles and has 4023 permanent residents (2010 census). Over 50% of our land is publically owned so you won't feel crowded enjoying your favorite four season outdoor activities here.