Which faculty is better: biotechnology or dentistry ?

noun: faculty; plural noun: faculties

1. an inherent mental or physical power.
"her critical faculties"
synonyms: power, capability, capacity, facility, wherewithal, means; More
senses, wits, reason, intelligence
"the faculty of speech"
an aptitude or talent for doing something.
"the author's faculty for philosophical analysis"
synonyms: ability, proficiency, competence, capability, potential, capacity, facility; More
aptitude, talent, gift, flair, bent, skill, knack, genius;
expertise, expertness, adeptness, adroitness, dexterity, prowess, mastery, artistry
"an unusual faculty for unearthing contributors"

2. the teaching staff of a university or college, or of one of its departments or divisions, viewed as a body.
"there were then no tenured women on the faculty"
synonyms: staff, teachers, professors, instructors
"conflict between students and faculty"

So what are you talking about?