I am currently working in a female dominated group and it's painful. They constantly gang up on me and my team lead (also a female) doesn't help. I'm currently looking for a new job and that helps me get through the day but I work in the pharmaceutical industry in a lab. Not sure about lab work in the dental field but working in a lab can have its downsides especially if you work at a small lab like I do. The physical size of the lab and the number of people within it should be taken into consideration during your search. Wishing you all the best in your search.