Whom Would You Trust as Most Reliable? Discuss the Credibility

Essay

Whom would you trust as most reliable? Discuss the credibility and authority of each individual or group listed with regard to the following issue:
Even though your wisdom teeth are not bothering you, your dentist tells you they should be extracted because they may give you trouble later. Should you have them pulled or wait until they cause problems?
a. your dentist
b. your physician
c. a friend who is studying to become an orthodontist
d. your sister, who is a dental hygienist
e. your brother, who is six years older than you, who still has his wisdom teeth and has had no problems with them