Michael R. Butterworth DDS Top Dentist 31059 Dupont Blvd. Dagsboro, Delaware, 19939 Phone: 302-732-9850 Company Name: Michael R. Butterworth, DDS Dentist Category: General-Family Dentistry Profile Let this business know you found them on Delaware Today's Online Directories. Locations Dagsboro 31059 Dupont Blvd. Dagsboro, Delaware 19939 Claim/Edit Listing