Tenn. Code Ann. § 37-1-207

Any special juvenile court created by law shall have such title and style as the act creating such court may provide. Each juvenile court shall be a court of record, presided over by a judge who shall have such qualifications and salary as may be provided by law. Upon creation of a special juvenile court, a judge of the court shall be appointed as provided by law until the next general election and a person duly qualified is elected, and until a successor qualifies. The term of office shall be the same as other judges of the state. In the event the office of judge of the juvenile court becomes vacant by reason of death, resignation, retirement or other cause, before the expiration of the term of the judge, the vacancy shall be filled as provided by law.