OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has placed under review with positive implications the financial strength rating (FSR) of A- (Excellent) and the issuer credit rating (ICR) of “a-” of Assurant Inc.’s (Assurant) dental HMO entities. In addition, A.M. Best has placed under review with negative implications the FSR of A- (Excellent) and the ICR of “a-” of Union Security Insurance Company (USIC) (Kansas City, MO) and Union Security Life Insurance Company of New York (USLICNY) (Fayetteville