Medically Reviewed by Dr. Laura Sharbash, DDS, FAGD, D.ABDSM on July 30, 2026
This might come as a surprise, but your dentist is often the first health care provider to spot signs of obstructive sleep apnea (OSA) during your regular checkup. While you’re focused on cavity prevention and keeping your smile bright, your dentist is actually examining clues that could reveal whether you’re getting quality sleep at night. The mouth and throat hold hidden clues about your sleep patterns, and dentists are uniquely positioned to notice the telltale signs that something more serious than snoring might be happening.
At Newport Beach Dental Center, our team looks beyond just your teeth and gums. We examine the bigger picture of your oral health and how it connects to your overall well-being. Dr. Laura Sharbash, a Diplomate of the American Board of Dental Sleep Medicine, brings advanced training in sleep-related breathing disorders to every patient evaluation, combining routine dental care with a comprehensive sleep health screening.
Signs of OSA in Your Mouth
The American Dental Association recognizes that dentists are well positioned to identify patients at risk for sleep-related breathing disorders, since a routine checkup offers a window into airway and jaw health that other providers may not see as often. During your dental exam, several oral indicators can suggest a higher likelihood of OSA. These are the signs your dentist commonly checks for:
- Teeth grinding marks (bruxism): Worn or flattened tooth surfaces, especially on the back teeth, often occur when the body works harder to keep the airway open during sleep.
- Tongue size and position: A large tongue, or one that sits low in the mouth, can crowd the airway during sleep.
- Scalloped tongue edges: Indentations along the sides of the tongue suggest it is pressing against the teeth due to limited space.
- Narrow or high-arched palate: A smaller oral cavity can leave less room for the tongue and airway structures.
- Jaw alignment and bite patterns: Certain bite relationships can narrow the space available for airflow.
None of these signs alone confirms OSA, but together they help your dentist decide whether a conversation about your sleep and a possible referral is worth having. It also helps to know that these warning signs do not always look the same from one patient to the next. In fact, sleep apnea symptoms in women are often overlooked because they can present as fatigue, morning headaches, or mood changes rather than the loud snoring most people associate with the condition.
Beyond the Obvious Signs
During routine cleanings, your dentist also examines your throat and soft palate for signs of inflammation or enlargement that could narrow your breathing passages. A red, irritated throat can point to frequent snoring, while an elongated soft palate or enlarged tonsils can contribute to airway obstruction during sleep.
The positioning of your jaw plays a role in airway health as well. A receding lower jaw or a narrow upper jaw can leave less room for your tongue and airway structures, so your dentist will review your bite and jaw alignment and note how these factors might affect your breathing overnight.
Dry mouth symptoms often accompany OSA because mouth breathing becomes more common when nasal passages or throat structures restrict normal airflow. Your dentist may ask about morning dry mouth, frequent nighttime urination, or waking up with a sore throat, since these details help build a more complete picture of your sleep health alongside the physical exam.
The Health Risks of Untreated Sleep Apnea
Sleep apnea is not just about feeling tired. Left unaddressed, the repeated drops in oxygen and disrupted sleep cycles associated with OSA are linked to a range of general health concerns, including elevated blood pressure, cardiovascular strain, and daytime fatigue that can affect concentration and safety. This is one reason dental screening matters: many people do not realize how disruptive their sleep actually is until a screening conversation prompts them to look closer. If you want a deeper look at how these effects can build over time, our post on the risks of ignoring sleep apnea symptoms walks through the general health concerns associated with leaving OSA unaddressed.
Because the signs of OSA overlap with so many everyday complaints, snoring, restlessness, morning grogginess, it is easy to dismiss them as ordinary tiredness. A dental screening adds another set of trained eyes to the picture, which is part of why professional dental organizations encourage dentists to ask about sleep as part of standard preventive care.
The Screening and Diagnostic Process
It is worth being clear about what your dentist can and cannot do here. Dentists are trained to screen for signs of OSA and identify risk factors, but a formal diagnosis of obstructive sleep apnea is made by a physician or sleep medicine specialist, typically based on a sleep study. Your dentist’s role is to notice the warning signs early, ask the right questions, and refer you to the right professional when your risk factors warrant a closer look.
If your dentist notices signs that suggest a higher risk of OSA, they may use screening questionnaires and review your medical and dental history to understand your risk factors more fully. Questions about your sleep quality, a partner’s observations of snoring or breathing pauses, and daytime fatigue levels all help paint a more complete picture before any referral is made.
We sometimes use three-dimensional imaging to evaluate airway dimensions and identify anatomical factors that may contribute to breathing difficulties. This technology allows our team to see the relationship between jaw position, tongue placement, and available airway space more clearly than a visual exam alone, and it gives a sleep medicine physician useful information if a referral becomes necessary. If you are curious about what this evaluation actually involves, our overview of what to expect during your first sleep apnea consultation walks through the process step by step.
Treatment Options
Once a physician has confirmed an OSA diagnosis, your dentist can become part of your treatment team. Many patients are candidates for oral appliance therapy, which uses a custom-fitted device worn during sleep to help maintain proper jaw positioning and support an open airway. For patients who find a CPAP machine difficult to tolerate, an oral appliance can be a more comfortable option, though the right choice always depends on the severity of your case and your physician’s recommendation.
At Newport Beach Dental Center, we work closely with sleep medicine physicians to support comprehensive, coordinated care. You can learn more about the specific devices and approaches we offer on our sleep apnea treatment page. We also stay in communication with other health care providers to help address related concerns, such as elevated blood pressure, that can accompany untreated OSA, so your care plan reflects your full health picture rather than your smile alone.
Newport Beach Dental Center’s Comprehensive Sleep Health Approach
Dr. Laura Sharbash combines her Fellowship in the Academy of General Dentistry with advanced training as a Diplomate of the American Board of Dental Sleep Medicine to provide thorough sleep health evaluations. Her dual perspective as both a general dentist and a qualified dental sleep specialist means she can help identify potential risk factors during routine care and coordinate appropriate next steps. Dr. Sharbash’s recognition as one of the “10 Dentists to Watch” by AGD Impact reflects her ongoing commitment to staying current with diagnostic and treatment approaches in dental sleep medicine.
Our practice takes a personalized approach to each patient’s sleep health concerns, pairing a careful oral exam with the diagnostic tools described above to build the most accurate picture possible before any referral. Quality sleep affects nearly every part of your health, from your energy levels to your long-term well-being, and a dental checkup is a simple, low-pressure place to start that conversation. To schedule a comprehensive evaluation, contact our office and let our team know you would like to discuss sleep health screening at your next visit.
Frequently Asked Questions About Dental Sleep Apnea Screening
Can a dentist actually diagnose sleep apnea?
A dentist can screen for warning signs and risk factors of obstructive sleep apnea during a routine exam, but a formal diagnosis is made by a physician or sleep medicine specialist, usually based on a sleep study. Your dentist’s role is to notice the signs early and refer you to the right provider for testing.
What warning signs does a dentist look for during a checkup?
Common oral indicators include worn or flattened teeth from grinding, a large or scalloped tongue, a narrow palate, throat or soft palate inflammation, and jaw positioning that may narrow the airway. No single sign confirms sleep apnea, but a combination of them often prompts a closer conversation about sleep quality.
Will my dentist recommend a sleep study?
If your dentist notices risk factors during a screening, they may recommend a referral to a sleep medicine physician for a formal sleep study. This step confirms whether obstructive sleep apnea is present and helps determine the most appropriate treatment approach for your situation.
How is oral appliance therapy different from a CPAP machine?
Oral appliance therapy uses a small, custom-fitted device worn during sleep to help keep the airway open, while a CPAP machine uses continuous air pressure delivered through a mask. Many patients find an oral appliance easier to tolerate, though the right option depends on the severity of your case and your physician’s recommendation.
How often should I be screened for sleep apnea at the dentist?
Sleep health screening is a natural part of a routine dental checkup, so most patients are reassessed at their regular cleaning visits. If your symptoms change or a partner notices new snoring or breathing pauses between visits, it is worth mentioning sooner rather than waiting for your next scheduled appointment.
About the Author
Dr. Laura Sharbash, DDS, FAGD, D.ABDSM
General Dentist | Diplomate, American Board of Dental Sleep Medicine
Dr. Laura Sharbash leads Newport Beach Dental Center with a Fellowship in the Academy of General Dentistry and advanced training as a Diplomate of the American Board of Dental Sleep Medicine. She was recognized as one of the “10 Dentists to Watch” by AGD Impact for her commitment to comprehensive, sleep-conscious dental care.
