Bridge builder, maybe: Abbr

• Deg. that requires the study of calculus
• Deg. for W. T. G. Morton
• Enamel worker's degree (abbr.)
• One asking you to rinse: Abbr
• Drill wielder: Abbr.
• Tooth filler's degree
• Person who's always feeling down in the mouth?: Abbr
• Cavity-fillers' letters
• Extractor's deg

Wikipedia Word definitions in Wikipedia
DDS may refer to: Doctor of Dental Surgery , academic degree for dentists