Dental print #9: 1893 Dental Chair Invention. Dental print #10: 1961 Dental X-Ray Apparatus Patent. Dental print #11: 1892 Dental Mouth Mirror Patent. Dental print #12: 1956 Motor Driven Dental Scaler Patent.
Dental print #9: 1893 Dental Chair Invention. Dental print #10: 1961 Dental X-Ray Apparatus Patent. Dental print #11: 1892 Dental Mouth Mirror Patent. Dental print #12: 1956 Motor Driven Dental Scaler Patent.