Committed to Dental Care Excellence

Because You Deserve to Love Your Smile.

About Southland Smiles, Ltd.

At Southland Smiles, we’re so much more than a traditional dental clinic. As a team of passionate and dedicated dentists and dental professionals, we work together to empower our community ‒ one smile at a time.

Located in Flossmoor, IL, our practice is committed to providing a comfortable, enjoyable, and rewarding experience for patients of all ages. Utilizing state-of-the-art techniques and technology, we offer a diverse range of general, cosmetic, and restorative dental services for your utmost comfort and satisfaction.

Our Dentists

Richard Mantoan, DDS

A proud graduate of Northwestern University Dental School, Dr. Mantoan founded Southland Smiles in 1985. Believing in helping the less fortunate, he organized a group of volunteer dentists to provide urgent dental care for area homeless persons, and now Southland Smiles is part of Donated Dental Services, an organization of dentists who provide free dental care for those in Chicagoland with financial needs due to disabilities. 

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He has held all officer positions in the South Suburban Branch of the Chicago Dental Society and served for three years on the Board of Directors of the Chicago Dental Society. Professional affiliations include the American Dental Association, Illinois State Dental Society, and Chicago Dental Society.

Because Southland Smiles is blessed with the best professional staff in Chicago’s Southland, Dr. Mantoan is able to step back from direct patient care and now oversees day-to-day operations in order to assure the highest quality of patient service and care possible. Very happily married with three children and three grandchildren, Dr. Mantoan enjoys family travel, classical music, and helping people in all walks of life.

Dr. Richard Mantoan DDS - Southland Smiles - Flossmoor, IL

Dr. Sherry Gee

Dr. Gee was born and raised in the suburbs of Detroit. She completed her undergraduate studies at University of Michigan in Ann Arbor. After shadowing multiple dental offices, she found her love in the art of dentistry and working with patients. She went on to complete her Doctor of Dental Surgery degree at University of Southern California in Los Angeles. During her time at USC, she spent time volunteering to provide comprehensive dental care at the Union Rescue Mission on Skid Row in Los Angeles.

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Since graduation, Dr. Gee has been practicing general dentistry in the Chicagoland area. She believes in making all of her patients feel comfortable with open communication and providing dental care with a gentle touch. She is a member of the Illinois State Dental Society, Chicago Dental Society, and the American Dental Association.

Dr. Gee currently lives in Chicago. After work, Dr. Gee enjoys spending time with friends and family. She enjoys working out, cooking, trying new restaurants, and traveling.

Dr. Gee is excited to work with you to achieve your personalized dental goals!

Dr. Brittany N. Brown, DDS - Southland Smiles - Flossmoor, IL


Dr. Alameri graduated from the University of Baghdad, College of Dentistry in 2008.  He completed the CWRU SODM Periodontics Fellowship Program in 2017 and graduated from the CWRU Periodontics Program in 2021.
Upon graduation, Dr. Alameri worked as a general Dentist prior to moving to the U.S., following his dream to further his education in Dentistry.
“We are in the business of saving teeth” is his favorite quote.
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In his spare time, he plays soccer, and he is an avid Barcelona FC fan. Both making and eating pizza are among his other hobbies.

Dr. Brittany N. Brown, DDS - Southland Smiles - Flossmoor, IL


Dr. Sulemanjee is a recent addition to Southland Smiles, bringing with her several years of experience in the dental field. Her love for dentistry comes from her desire to help her patients feel comfortable and confident in their smiles while improving their overall oral health. She has a passion for interacting with people and enjoys learning about their unique stories, which she uses to provide the most personalized care possible.

Dr. Sulemanjee earned her Doctor of Dental Medicine (DMD) from the University of Illinois at Chicago in 2019. She is a member of professional organizations including the American Dental Association (ADA) and the American Academy of Clear Aligners (AACA). In addition to her formal education and professional affiliations, Dr. Sulemanjee is committed to continuing her education. She has attended CE courses on Dental Implants, Invisalign and Oral Conscious Sedation.

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When she is not practicing Dentistry, Dr. Sulemanjee enjoys spending time with her family. She is a wife and mother of two children. She loves trying new foods and exploring different cultures while traveling. Dr. Sulemanjee is also an avid reader and has a creative side, which she expresses through painting and sketching as a hobby.  

Dr. Brittany N. Brown, DDS - Southland Smiles - Flossmoor, IL

Dr. juana ryckowski

We are excited to add Dr. Juana Ryckowski to our team of Dentists. She started in the dental field over 10 years ago as a Dental Assistant. Her passion for Dentistry and caring for others inspired her to become a Dentist. Dr. Ryckowski graduated from the University of Illinois at Chicago in 2020. 
She is bilingual, speaking both English and Spanish. She wants to ensure the Hispanic community gets the dental care they need without any language barriers. Dr. Ryckowski is Invisalign certified and is very skilled in all aspects of General Dentistry. She loves Cosmetic Dentistry and helping patients achieve the smile they always dreamed of. She places an emphasis on providing tailored Dentistry by listening to each patient, answering their questions, and helping them make informed decisions on their treatment options.

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Dr. Ryckowski is married, with two girls and a black Labrador. When not working, she and her family love being outdoors, biking and camping. 
Dr. Brittany N. Brown, DDS - Southland Smiles - Flossmoor, IL

Dr. Ashraf Naser – Prosthodontist

Dr. Naser is a trained prosthodontist and a member of the American Academy of Fixed Prosthodontics. Dr. Naser specializes in prosthetics, implants, and cosmetic cases, and graduated from the University of Tripoli in Libya in 2007. Dr. Naser then attended Boston University in 2011 for advanced education in prosthodontics, earning a CAGS. In 2014, that same year, he completed a master’s program in biomaterials, making him a master of science in dentistry.

Dr. Brittany N. Brown, DDS - Southland Smiles - Flossmoor, IL

Dr. Moses Rasberry

Dr. Moses Rasberry graduated from the illustrious University of Illinois at Chicago, where he received his doctorate in dentistry. Dr. Rasberry possesses a desire to help contribute to communities who lack resources for dental care. For his internship prior to graduating, he provided dental care to Native Americans in rural Minnesota. Dr. Rasberry is a member of the Chicago Dental Society, National Student Dental Association, American Dental Education Association, and the Academy of General Dentistry. When he is not at work you might find him biking along the lakefront with his French Bulldog along for the ride.

Dr. Brittany N. Brown, DDS - Southland Smiles - Flossmoor, IL
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Our Hygiene Team

Sharon, RDH, BS - Southland Smiles - Flossmoor, IL
Sharon ‒ RDH, BS

Sharon graduated with an associate’s degree in Dental Hygiene from Prairie State College in 2016. She joined the Southland Smiles team in December of 2016. Prior to studying dental hygiene, Sharon earned a bachelor’s degree in Hospitality and Tourism Management and an associate’s degree in Health and Wellness from Purdue University. One of the reasons she enjoys being a dental hygienist is because she knows she is making a positive impact on the world one person at a time. Every day she feels like she is making a difference by helping to improve each patient’s overall quality of life. In her free time, Sharon enjoys bowling and has accomplished the ultimate goal of a perfect 300 game. She also enjoys going to concerts, crafting, and spending time with her family and friends as much as possible. Sharon and her husband, Kevin, were married in July 2021 and are enjoying the newlywed life! They enjoy watching Cubs games, golfing, and hanging out with their dog, Boomer. 


Stephanie, RDH - Southland Smiles - Flossmoor, IL
Lynn ‒ RDH

Lynn has been a Registered Dental Hygienist for over 35 years. She is a graduate of Prairie State College. Clinical dental hygiene is a passion of hers and improving patient health drives her. Lynn had the pleasure of working with Dr. Mantoan for 11 years at the start of her career and has come full circle as she rejoins the team. She enjoys spending free time with her husband and two grown children. She also enjoys Interior design, hiking and baking.


Stephanie, RDH - Southland Smiles - Flossmoor, IL
Nancy ‒ RDH
Nancy graduated with an associate degree in Dental Hygiene from Prairie State College in 2007. Prior to studying Dental Hygiene, Nancy was a dental assistant for a few years and that is when she fell in love with Dentistry and being a part of helping people achieve their oral health goals. Nancy enjoys helping patients overcome their fear of coming to the Dentist. She is fluent in Spanish and is proud to be able to bridge the gap for the Spanish-speaking community by translating and explaining their oral health needs. Nancy lives in a 95-year-old farmhouse in Lowell IN on a 5- acre property with her 3 children and 3 dogs. She has undertaken remodeling and many home improvement projects to update her home. She enjoys going to church on Sundays and spending any free time with her family.
Stephanie, RDH - Southland Smiles - Flossmoor, IL
Kylie ‒ RDH

Kylie is a graduate of Indiana University Northwest, receiving her Bachelor’s Degree in Dental Hygiene and also The “Hu-Freidy Golden Scaler Award” in 2021. She was also her 2019-2021 Class Representative. Kylie’s passion for dental hygiene began when she worked at a hospital and noticed a neglect of oral hygiene. She realized health begins in the mouth and that she wanted to educate patients on the relationship between oral health and overall health. Kylie has a very outgoing personality which helps put her patients at ease when they come in for a visit. In her free time, she enjoys spending time at the gym or with friends.

Stephanie, RDH - Southland Smiles - Flossmoor, IL
Viridiana ‒ RDH
Viridiana has been with the Southland Smiles family since 2022. Vee is a graduate from Fox College, receiving her Associate’s Degree in Dental Hygiene in 2021. She pursued this career path because she enjoys the patient care aspect and getting that one on one time with patients. Vee usually spends her free time with her beautiful daughter and family. She enjoys doing puzzles and going out with loved ones.
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Our Administration Team

Karen, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Karen ‒ Insurance Coordinator

Karen has been with Southland Smiles for many years. Graduating from Prairie State Dental Assisting School, she has worked for many years as a Dental Assistant. She is now working in the business aspect of the practice as an insurance coordinator. She loves her role at Southland Smiles, helping patients with insurance get the maximum allowable benefit. Karen has been happily married for over 45 years to Dr. Richard Mantoan and loves being with her three children, their spouses, and grandchildren. Her hobbies are walking and reading good books. Most important to her is her faith, family, and friends.


Kim, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Kim ‒ Human Resources Manager

Kimberly started working for her family dentist at the front desk and has grown to love helping patients so much that she has been in the dental field for 20+ years. She joined the Southland Smiles team in November of 2016 as part of our Insurance Department. She is now part of the Management Team, overseeing Human Resources and Marketing. She enjoys reading, traveling, crafting, enjoying life with family & friends and spoiling her two Papillion dogs Peanut & Parker.


Gabriella, Accounts Receivable - Southland Smiles - Flossmoor, IL
Gabriela ‒ Accounts Receivable
Gabriela became part of Southland Smiles in July 2018. She has over 20 years of dental experience. Gabriela handles the accounts receivable for Southland Smiles and she is dedicated to helping patients have a better understanding of their account balances and insurance benefits. Gabriela is the proud mom of a daughter that she adores! Gabriela enjoys running, traveling, and all things outdoors. She values her faith, family, and friends.


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Our Patient Services Team

Karen, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Maria ‒ Office Manager

Maria became part of the Southland Smiles in July of 2015 but has been in the dental field for over 30+ years. As the Office Manager, she oversees the  day-to-day operations of the practice and ensures patients have a wonderful experience when they visit our office. Maria loves talking with patients and helping them achieve their dream smile. Maria and her husband have 3 beautiful daughters, 1 son and 7 grandchildren. Maria enjoys gardening and spending lots of time with her growing family.


Ana, Front Desk Administrator - Southland Smiles - Flossmoor, IL
Ana ‒ Patient Services Coordinator

Ana joined Southland Smiles Team October 2017. She joined the office assisting the front desk team with her 17 years of dental experience. She enjoys interacting with all of our wonderful patients making sure they had a wow experience, as that is our goal at Southland Smiles. She is the mother of three daughters. Ana enjoys going on walks with her husband and watching her youngest daughter play soccer. Her favorite season is the summer when she has the opportunity to enjoy her favorite hobbies gardening her flowerbeds, herbs, vegetables, and bike riding.


Briana, Concierge - Southland Smiles - Flossmoor, IL
Briana ‒ Patient Services Coordinator
Briana joined Southland Smiles Team January 2018. She assists with many tasks around the office. She is the bright smiling face when you walk into the office, or she may be the sweet voice you hear on the phone helping you to schedule an appointment or answer questions you may have. She also enjoys taking our patients on a tour of the office. Outside of work, Briana enjoys running, reading, and spending time with her family.


Kim, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Dulce is another friendly face you will see at Southland Smiles. She joined our office in 2021 and has worked in the dental field for over 12 years. She can help to answer your insurance questions and she works on your behalf to make sure your dental claims get processed and paid. She absolutely loves spending time with her family. She also loves to watch movies, go on walks, do puzzles and of course relax.
Kim, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Gabriel is new to the dental scene but has been in the healthcare field for quite some time. He is part of the Patient Services Team at the front desk. He looks forward to interacting with patients and making everyone feel welcomed. You will always see him with a smile on his face and spreading his positive energy around to patients and our office team. One thing he enjoys about working in our office is the comfortable and homey atmosphere we provide. Outside of work, he enjoys spending time with his wife and son. He also enjoys photography and being outdoors, but does not mind a good movie night!
Kim, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Kiara joined Southland Smiles in December of 2022 as a patient services team at the front desk. She has worked in the dental field for many years and enjoys interacting with patients to help them feel at ease before and after their visit. When she’s not watching movies or playing video games, she enjoys spending time with her 2 daughters, family, and friends.
Kim, Insurance Coordinator - Southland Smiles - Flossmoor, IL

Carla has been in the dental field for over ten years and with Southland Smiles since 2022 in our Call Center. You may not have had the chance to meet her face to face but you may recognize her voice as one that has helped you schedule an appointment or helped to answer your questions. Carla has an outgoing personality and is known to try and make you laugh. She loves to travel & her hobbies include breakfast, lunch, and dinner.

Kim, Insurance Coordinator - Southland Smiles - Flossmoor, IL
Agatha ‒ Treatment Coordinator
Agatha became a part of the Southland Smiles team in 2023 as a Treatment Coordinator bringing many years of experience. She enjoys talking with patients about the dental treatment they need and answering their questions. She is happiest helping you navigate through finances and making sure patients understand their insurance to maximize their benefits. In her spare time, she enjoys fishing with her son and gardening in her yard.

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Our Dental Assistant Treatment Coordinators

Yesenia, Dental Assistant - Southland Smiles - Flossmoor, IL
Yesenia ‒ Dental Assistant
Yesenia a.k.a. Yesi went to Bloom High School in Chicago Heights and has been a dental assistant for over 15 years. Yesi loves working with our patients and knows how to put them at ease. She feels all of our patients are special and unique in their own way which is why she loves talking and connecting with all of them. Yesi and her wonderful husband Mike, are the proud parents of a son and a daughter. Yesi’s favorite hobby is spending time with her family.


Danice, Dental Assistant - Southland Smiles - Flossmoor, IL
Danice ‒ Dental Assistant

Danice joined the Southland Smiles team in May 2018 as the Hygiene Assistant. She has worked in the patient care field for over four years. Danice is a graduate of University of St. Francis. She has always enjoyed working with and helping people and has had the opportunity to continue that here at Southland Smiles. In Danice’s spare time, she loves to work out and play soccer. She also enjoys spending quality time with her family, friends, and fur babies, Zeus and Lady!

Yesenia, Dental Assistant - Southland Smiles - Flossmoor, IL
Marilyn ‒ Dental Assistant

Marilyn joined the Southland Smiles Dental Assistant Team in September of 2019. Marilyn has been a dental assistant for several years. Before coming to Southland Smiles, she worked at an Endodontist office, specializing in root canals. She is now ready to master general dentistry! When she is not working, she is enjoying her time with her beautiful 1-year-son Angelo! 


Yesenia, Dental Assistant - Southland Smiles - Flossmoor, IL
Damaris ‒ Dental Assistant
Damaris has been a dental assistant since July 2021 and joined Southland Smiles in early 2022. She aims to make a noticeable difference in her patient’s visits by making their comfort her top priority. When she is not at work, she enjoys spending time with her 2 children, going to the movies, bowling, and walking around the pond.
Yesenia, Dental Assistant - Southland Smiles - Flossmoor, IL
Jennifer ‒ Dental Assistant
Jennifer has been a dental assistant for several years and joined the Southland Smiles team in April of 2023 as an assistant. She likes to make sure her patients are comfortable and leave the office happy. In her spare time, she loves to play soccer, workout, and spend time with family and friends.
Yesenia, Dental Assistant - Southland Smiles - Flossmoor, IL
Karen ‒ Dental Assistant
Karen joined Southland Smiles as a dental assistant in 2023. She is the type of person to puts others needs before her own which makes this profession very rewarding for her. Her passion for Dentistry inspires her to continue growing further in this profession. In her spare time, she likes to attend big events with family.
Pita ‒ Dental Assistant
Pita has been a dental assistant for a number of years and joined the Southland Smiles team in mid-2022. She really enjoys what she does because she has the opportunity to interact with and get to know a lot of people. She absolutely loves being a part of helping patients achieve their dream smile. She enjoys playing with her two dogs and going out and exploring new things.

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Community Involvement

Our passion for our community extends far beyond the realm of dentistry. As a part of the fabric of Flossmoor, we see our community involvement as a small way to give back what we have been given over the years. Some of our local partnerships include:

  • Crisis Center for South Suburbia
  • Tall Grass Arts Association
  • Cancer Support Center
  • South Suburban Family Shelter
  • Illinois Right to Life
  • Infant Jesus of Prague Catholic School
  • Elmhurst Ladies Chorus
  • Misericordia Family Association
  • Calvary Assembly of God
  • Cancer Support Center
  • St. Lawrence O’Toole Catholic Church
  • Marian Council Knights of Columbus
  • Flossmoor Fest
  • Marian Catholic
  • Elim Christian Services
  • American Catholic Press
  • Illinois Family Institute
  • Aid for Women Pregnancy Care Center
  • Flossmoor Service League
  • Flossmoor Volunteer Fire Dept.
  • Homewood-Flossmoor High School
The Southland Smiles team looks forward to meeting you! Contact us at 708-794-4253 today.

Business Hours

8:00 AM ‒ 4:00 PM

Tuesday ‒ Thursday
7:00 AM ‒ 7:30 PM

8:00 AM ‒ 2:00 PM

8:00 AM ‒ 2:00 PM


Only open 1st three Saturdays of every month

Chicago Dental Society - Southland Smiles - Flossmoor, IL Illinois State Dental Society - Southland Smiles - Flossmoor, IL
American Dental Association - Southland Smiles - Flossmoor, IL