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About Us
GCDHA BOARD MEMBERS
Our Story
Greater Collin Dental Hygienists' Association was established in 2004. We started as a small group of hygienists looking to serve hygienists in Collin County and the surrounding areas. We have since grown into one of the largest components in Texas providing continuing education, networking opportunities, legislative representation, and representation at Texas DHA and ADHA meetings.
Meet The Board

Terra Newingham, RDH, BSDH
2024-2027 President

Mandy Weems, RDH, BSDH
Immediate Past President

Kristina Matlock, BS, RDH
1st VP/Programs Chair

Mary Smith, RDH
2nd VP/Membership Chair

Cathy Nobles, BS, RDH, FADHA
Treasurer

Emily Henderson, MSEd, RDH
Secretary

Melissa Kleen, RDH
Trustee
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