PDT Instruments are the results of more than 30 years of hands-on clinical and manufacturing experience. Their sharpness and human-factored design make them an unequaled value. PDT's line of products includes curettes and scalers like the Montana Jack®, Queen of Hearts periodontal, Gracey, and specific lines of anterior, universal, distal, buccal & lingual, mesial & posterior instruments. 100% of PDT hygiene products are hand-made in the USA. The Montana Jack can be used anywhere including as a restorative carver. Comprehensive Kit I Dream of Hygiene Kit was designed by hygienists across the glove with instrument that make their job a dream.