His father Dr. John Jansheski invented an at - home tartar removal device , known to many as the dental pick .
DenTek was founded in 1985 by John Jansheski .
John Jansheski 's John Jansheski John Jansheski   Jansheski invented an at - home tartar removal device , known to many as the dental pick .
DenTek was founded in 1985 by John Jansheski .