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Meet the Staff
Ellie-Front Office

Ellie Edmiston is the welcoming face that greets you as you enter Central Endodontics.  Ellie is very knowledgeable in endodontics, scheduling, and insurance. Ellie is the voice of the office! She is the warm voice on the telephone answering your calls. Ellie moved to Texas in 1980 and found home. Ellie is very experienced in the service industry as a baker prior to putting her customer service skills to your benefit with Central Endodontics. Ellie joined Dr. McGuire’s team by fate in 2007. When not at the office Ellie enjoys reading, cooking, spending time with family, and grandbabies.

Mari- Office Manager

Mari Trigg has been in the dental field for 23 years. Mari has worked in all aspects of the dental office. She is an active member in the American Association of Dental Office Managers (AADOM).  Mari enjoys the detail of endodontics.  She is very meticulous in assuring each patient has a pleasant experience from start to finish. Patient care is second nature to her.  Mari has been working with Dr. McGuire since 2006.  Being part of extraordinary team committed to exceptional endodontic care is why Mari commutes from Bastrop County.  Mari has been in the Smithville area since 1996. When not at work Mari enjoys fitness, animals, and family time.   


Rebecca McManus has been in dentistry for 26 years. Rebecca started in general dentistry before finding a career in endodontics.  Rebecca is from Southern California.  She moved to Austin in 2007 and joined Dr. McGuire in August of 2007.  Rebecca is a very nurturing, comforting, and caring person. She identifies with each patient's individual needs and is able to guide each patient flawlessly through the endodontic process.  Rebecca really enjoys her career path and enjoys working with such a talented, dedicated doctor and staff. She enjoys working with our team and serving our patients each day.  In Rebecca’s off time she enjoys fishing, outdoor activities, and music.  Her Sundays are dedicated to family time.  Rebecca is looking forward to many more years working alongside this talented endodontic team.