Smiles By Design
360 First St
Lasalle, IL 61301
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Our Staff

Shanon Urbanski
Shanon is our office manager and has been with the practice over 15 years.  She is a 1990 graduate of Illinois Valley Community College and a registered dental assistant.  She and her husband, Keith have resided in Spring Valley for about 20 years.   They have 2 very active boys, ages 16 and 13.  In her spare time Shanon can be found cheering her boys on at football, or basketball games.

Jody Faletti
I am the Hygiene and Insurance Coordinator.  I have been with the practice since 1985. It has been a non-stop learning experience for me working for Dr. Derango and the other team members.  Our office is always on the cutting edge of all the dental trends. 
My husband and I have 5 children- they are also a continuous learning experience. 

Dianne Derango
Dianne is the office Administrative Assistant. She and Dr. Derango have been married for over 30 years and have 4 children.

Vicki Sadowski
Vicki has been a dental hygienist for Dr. Derango since the beginning of his practice.  She and her husband have 4 boys.

Heather Anderson – Dental Hygienist
Heather is a lifelong resident of the Illinois Valley.  She was employed as an orthodontic assistant for over 10 years.  Loving the dental field, she wanted a more one-on-one relationship with her patients.  She has been employed by Dr. Derango and Dr. Mueller since 2006 after graduating Prairie State College in Chicago Heights, Illinois with a dental hygiene degree.  Heather is the proud mother of 3 children and an avid baseball fan.  GO CUBS! 

Theresa Moroni
Theresa is a recent graduate of Southern Illinois University Dental Hygiene Program.

Leticia Arivalo
My name is Leticia Arivalo and I am a dental Assistant.  I have been assisting for 8 years.  I have been employed for 1 year at Dr. Derango’s office.  I graduated from Woodland High school.  I attended classes at Illinois Valley Community College, but learned all I know about assisting from my experiences in offices I have worked in.  Working for Dr. Derango and Dr. Mueller keeps me very involved in the procedures we are doing.  Everything is explained until it is understood to help educate our patients.  In September I will be getting married and will become a step-mom.  We enjoy fishing, biking, and going to movies in our off time. 

Shante Avila – Dental Assistant
My name is Shante Avila and I’m 22 years old.  I’ve recently married and moved to Granville.  A year ago I graduated from the Dental Assisting program at Illinois Valley Community College.  During my internship I was placed with Dr. Derango and Dr. Mueller where I was lucky enough to obtain a full time position after I completed my internship.  My favorite part of my job is working with all the different patients and seeing the amazing results the patients leave with. 

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