We Treat You as Family

Our dental experts are all smiles at Alsahlani and Albazzaz Dental. We believe your smile brings out the best in you and those around you. We care about you, your family, and your friends, and we're here to help you achieve your healthiest, brightest smile. Our personable approach to dental care combined with innovative techniques and services will give you plenty to smile about. At Alsahlani and Albazzaz Dental, our highly-trained professionals bring smiles all around through attentive patient care in a relaxed, friendly, and caring atmosphere. Alsahlani and Albazzaz Dental, previously Bleck and Welker Dental, has provided specialized dental care to thousands of families since 1985.

alt text

Meet the Doctors

Dr. Eman Alsahlani, Family Dentist, Waukegan, IL

Dr. Eman J. Alsahlani

Dr. Eman J. Alsahlani joined the practice in October of 2006. She received her Doctorate of Dental Medicine from Nova Southeastern University in 2004 and prior to that her Bachelor of Science degree in Psychobiology from the University of Miami. Dr. Alsahlani is known for her gentle, friendly and compassionate approach to dentistry. She is also very family oriented and loves to spend her free time with her husband, Dr. Rami Taha and their three children Maya, Zeena, and Adam.

Dr. Monim Albazzaz

Dr. Monim Albazzaz joined the practice in 2019. He received his Doctorate of Dental Medicine Degree from Midwestern University-Illinois while also graduating with a Bachelor degree in Biological Sciences from the University of Illinois at Chicago. He grew up in St. Charles, Illinois and has been practicing dentistry in the Chicagoland area since 2015. He is also an avid fan of Chicago sports, such as the Chicago Bears.

Dr. Monim Albazzaz, Dentist, Waukegan, IL
Dr. Shawn Thomas, Periodontist, Waukegan, IL

Shawn Thomas


Dr. Thomas attended Loyola University Chicago before earning his dental degree at Marquette University School of Dentistry where he graduated with high honors. He then completed a three-year residency in periodontics and implant dentistry at the University of Pittsburgh. 

Dr. Thomas is highly trained in both surgical and non-surgical periodontal therapy, as well as implant therapy.  Such procedures include gingival grafting, crown elongation, osseous/pocket reduction surgery, bone grafting, ridge augmentation, sinus augmentation, All-On-X dental implants, and more.  Patient satisfaction is of highest importance to Dr. Thomas and he strives to make sure all of his patients are comfortable during all procedures. 

Today, he is certified in Wilckodontics, which is also known as Accelerated Osteogenic Orthodontics (AOO), a procedure that allows teeth to be shifted by orthodontic movement at a faster pace. Dr. Thomas is also certified by the American Academy of Facial Esthetics (AAFE) where he underwent significant training to administer Botox to relieve TMD/TMJ pain, migraine pain, and smooth wrinkle lines on the face. He has another certification to provide dermal fillers to enhance the lips and restore youthful volume to the face as well. 

On top of this, Dr. Thomas is a member of several professional groups that include: 
          American Dental Association
          American Academy of Periodontology
          Indiana Dental Association
          Illinois Dental Society
          Chicago Dental Society 

When he isn’t spending time with family, Dr. Thomas enjoys to cook and try new recipes. You’ll often find him in the kitchen, but he also likes to try new restaurants, travel to new cities across the world, and stay active by playing football, volleyball, and kickball.  

Andok (Andy) Barseghyan DDS, MS

Diplomate of American Board of Endodontics

Dr. Barseghyan is an Armenian native and is fluent in English, Russian, and Armenian. His first dental degree (Doctor of Stomatology) he received in Armenia in 2002, where he also attended a prosthodontic residency. After moving to the United States, Dr. Barseghyan earned his second dental degree (Doctor of Dental Surgery) from University of Colorado Denver. He graduated dental school with honors from Omicron Kappa Upsilon National Dental Honor Society.
After completing dental school, he received specialty training in endodontics from the University of Illinois at Chicago, where he also earned his master of science degree. During his residency, Dr. Barseghyan conducted research related to the implementation of advanced imaging technology (Cone Beam Computed Technology/3D imaging) in endodontic microsurgery.

Dr. Barseghyan is a board certified endodontist, he is also an active member of American Association of Endodontics, American Dental Association, Illinois State Dental Society, Edgar D. Coolidge Endodontic Study Club, and Illinois Association of Endodontists.
In his free time, he enjoys skiing, biking and traveling with his wife, Diana, and his children Monica and David. 

Dr. ​Andok (Andy) Barseghyan DDS, MS

Services We Offer

  • General Dentistry
  • Cosmetic Dentistry
  • Resin Fillings
  • Crowns and Bridges
  • Implant Restoration
  • Veneers
  • Dentures and Partials
  • Root Canals
  • Oral Surgery
  • Periodontics
  • Preventative Care
  • Digital X-rays/Intraoral Cameras
  • Oral Cancer Screenings
  • Mouth Guards/TMJ Treatments
  • Nitrous Oxide/High Anxiety Patients
  • Teeth Whitening
  • Children of All Ages
  • Same Day Emergency
  • 24/7 Answering Service
  • Bilingual Staff – Spanish and Arabic
  • Saturday Appointments


  • Everyone is super friendly and accommodating. Gives going to the dentist a whole new meaning.

    - Fred W.
  • Love going there...surprisingly...I mean it is the dentist. But everyone from Maggie to Kim to Laura to Dr. Albazzaz and in between are awesome! I've been going there since I was 19 with Dr. Welker and Dr. Bleck and I'm now till there at 59. Most of the same staff is there. That says something. They are friendly, caring practice that makes you feel part of the family. 💜

    - Nancy S. Show More
  • All dentists and staff are really nice. They always make you comfortable in the clinic. All dentist are very gentle and show care with their patients

    - Marian Faye C.
  • I seriously don’t know why anyone would go somewhere else. From the front desk through your entire appointment you won’t be disappointed.

    - Ruth R.

Hours of Operation


8:00 am - 5:00 pm


8:00 am - 6:00 pm




8:00 am - 5:00 pm


8:00 am - 3:00 pm





8:00 am - 5:00 pm
8:00 am - 6:00 pm
8:00 am - 5:00 pm
8:00 am - 3:00 pm

Our Location

No Health Form settings found. Please configure it.