Meet Our Doctors
At Can’t Sleep Center, our team of dental sleep specialists helps patients in Tustin and Santa Ana improve their sleep and overall health. We focus on treating sleep apnea, snoring, and TMJ using safe and effective solutions.
Dr. Kareem Abraham
DDS, FAGD,MAGD
Dental Sleep Specialist in Tustin / Santa Ana
Dr. Kareem Abraham has over 15 years of experience in dentistry. Over time, he developed a strong interest in treating sleep apnea and TMJ disorders. He is also a Diplomate of the American Board of Dental Sleep Medicine, reflecting his advanced training and expertise in this field.
To further strengthen his knowledge, he completed a part-time residency at the UCLA School of Dentistry. There, he received specialized training in Dental Sleep Medicine and Orofacial Pain & TMJ Dysfunction.
As a result, Dr. Abraham provides advanced and proven treatment options to patients across Orange County.
In many cases, he uses oral appliance therapy, which can be an effective solution for managing snoring and sleep apnea, depending on the patient’s condition.
dr. carl smetko
DDS
Dental Sleep Specialist in Tustin / Santa Ana
Dr. Smetko brings over 47 years of dental experience. In fact, he spent 38 years as a private practitioner in Santa Ana.
He strongly believes in conservative and non-invasive treatments. Therefore, he developed a deep interest in oral appliance therapy.
In addition, he has completed advanced training to help patients manage snoring, obstructive sleep apnea, and TMJ disorders.
Dr. Claire Nawar
DDS
Dental Sleep Specialist in Tustin / Santa Ana
Dr. Nawar is known for her expertise in comprehensive dentistry. She graduated from the University of Minnesota and earned her Doctor of Dental Surgery degree in 2010.
Since then, she has continued to expand her knowledge and skills in modern dental techniques. In particular, she became interested in Dental Sleep Medicine due to its effectiveness.
As a result, she helps patients find practical solutions for sleep-related issues and overall oral health.
What to expect when you visit us?
We focus on:
- Helping patients with obstructive sleep apnea (OSA) find non-invasive treatment options like oral appliances
- Educating individuals in Santa Ana and Tustin about the risks of snoring and sleep apnea
- Helping patients take back their deep, restorative sleep
- Providing pain relief to TMJ disorder sufferers
- Reducing the number of undiagnosed OSA patients
- Providing OSA sufferers with an effective, non-invasive CPAP alternative





