An increasing number of adults report poor sleep quality, with snoring being one of the most prevalent symptoms. While many dismiss snoring as a trivial habit or a harmless annoyance, scientific evidence suggests otherwise. In fact, chronic or loud snoring can be a primary symptom of a common but underdiagnosed disorder known as obstructive sleep apnea (OSA).
Dentists today play an essential role in diagnosing and managing certain types of sleep-disordered breathing, especially through oral appliance therapy, a non-invasive treatment method that has been endorsed by medical authorities worldwide.
In this article, we delve into five key questions:
- What causes snoring, and when does it become a medical issue?
- Who is most at risk of sleep apnea?
- Why are dentists involved in treating sleep-related breathing conditions?
- What is a mandibular advancement device (commonly referred to as a “snoring mouthguard”)?
- What does the latest clinical research say about the effectiveness of dental sleep treatment?
What Causes Snoring—and Is It a Medical Concern?
Snoring occurs when airflow is partially blocked during sleep due to narrowing in the upper airway, specifically in the area behind the tongue and soft palate. As air passes through these narrower passages, surrounding tissues vibrate, creating noise (the “snore”).
Occasional snoring is generally harmless. However, when snoring becomes frequent, loud, and accompanied by breathing pauses, gasping, or daytime fatigue, it may be signaling a more serious health issue—obstructive sleep apnea.
According to the Hospital Authority of Hong Kong, OSA has been linked to an increased risk of:
- High blood pressure
- Cardiovascular disease
- Type 2 diabetes
- Stroke
- Depression
The American Academy of Sleep Medicine (AASM) further reports that over 80% of moderate or severe OSA cases remain undiagnosed, placing individuals at increased risk of premature death, driving accidents, or reduced cognitive ability.
Who Is Most at Risk?
Studies show that the likelihood of developing OSA or habitual snoring increases with the following risk factors:
- Being overweight, particularly with neck fat accumulation
- Male individuals aged 35+
- Smoking and regular alcohol consumption
- Chronic nasal congestion or allergies
- Receded jaw or abnormalities in jaw growth
- Family history of sleep apnea or loud snoring
Why Are Dentists Involved in Sleep Apnea Treatment?
While traditionally associated with oral health and orthodontics, dentists today are increasingly seen as frontline professionals in identifying and managing milder forms of sleep-disordered breathing.
In particular, dentists can:
- Assess the anatomy of the airway, including jaw position, tongue placement, palate size, and bite alignment
- Recommend sleep studies (either home-based or clinic-based) to assess apnea severity
- Provide custom-fitted mandibular advancement devices (MADs) based on your oral structure and sleep diagnostic results
- Continuously monitor the patient’s progress and adjust the appliance as needed
What Is a Mandibular Advancement Device (MAD)?
A mandibular advancement device, often referred to as a “snore guard” or “snoring mouthpiece”, is a custom mouthguard worn during sleep that slightly advances the lower jaw (mandible) forward. This opens up the airway space by repositioning the tongue and soft tissues of the throat, thereby reducing airway collapse during the night.
According to the American Academy of Dental Sleep Medicine (AADSM):
“Mandibular advancement devices are a proven first-line therapy for mild and moderate OSA and are recommended for individuals unable to tolerate CPAP.”
A 2020 study published in the Journal of Clinical Sleep Medicine indicates that over 70% of patients who used MADs experienced at least a 50% reduction in apnea events and a significant improvement in their partner’s sleep disturbance.
MADs vs CPAP: Which One Is Right for You?
For many years, continuous positive airway pressure (CPAP) has been considered the gold standard for treating OSA. Yet, studies reveal that as many as 50% of patients ultimately abandon CPAP due to discomfort, inconvenience, or machine noise.
On the other hand, mandibular advancement devices offer key advantages:
| Feature | CPAP | MAD (Snoring Mouthguard) |
| Comfort | Mask, machine, tubing | Compact, similar to a night guard |
| Noise | Low hum, machine sound | Silent |
| Portability | Requires power supply | Easily portable (fits into pocket) |
| Compliance Rate | Often below 50% | Above 80% in mild-moderate cases |
The UK National Institute for Health and Care Excellence (NICE) officially included MADs as a viable first-line alternative therapy in their 2021 clinical guidelines for sleep apnea management.
Conclusion: When to Seek Professional Help
If you (or your partner) experience ongoing snoring, wake up exhausted, or have been told you stop breathing during sleep, it may be time to move beyond “home remedies” and explore medical solutions.
Modern dentistry offers a non-invasive, comfortable, and science-backed route to better sleep—especially through the use of mandibular advancement devices. These devices are safe, FDA-cleared, and custom-fitted by dental professionals trained in sleep medicine.
A consultation with a trained dentist can include a full airway assessment, explanation of your risks, and if needed, coordination of a sleep test that will help determine your eligibility for oral appliance therapy.Your snoring is not just noise. It may be your body’s way of warning you. Seek professional assistance from a dental sleep specialist before your sleep disturbance turns into a chronic health condition.
Remember, each treatment method has its pros and cons. It is important to have a basic understanding of the different procedures and associated risks. Moreover, the above information does not represent professional advice from any dentist or dental institution. For more accurate advice, please consult your family dentist to safeguard your health.
Related posts:
Can Oral Appliances Treat Snoring? Understand How They Work and If They’re Right for You 
Can Nasal Strips Help Relieve Sleep Apnea? Understand How They Work, Their Limitations, and Better Alternatives 
Can Snoring Be Cured? Understand the Causes, Risks, and Treatment Options 
Snoring Raises Blood Pressure and Cardiovascular Risk? When to Seek Help