Anti-snoring Device vs Sleep Apnea Machine: which sleep apnea solution is right for you?
- MDGF Education Team
- Jun 4
- 8 min read
Updated: Jun 5
If you have been told you snore too loudly — or you have already been diagnosed with sleep apnea — you are probably weighing two options: a sleep apnea machine or an anti-snoring device. Both work. Both have drawbacks. Which one is right for you depends on the severity of your condition and, honestly, which one you will actually use every night.
This article explains how each treatment works, what research says about their effectiveness, and how to decide which suits your situation.

Sleep apnea is a condition where your breathing repeatedly stops during sleep. These pauses can last several seconds to over a minute and happen hundreds of times a night. The most common form is obstructive sleep apnea (OSA), caused by airway collapse. Obstructive sleep apnea affects estimated 4-6% of middle aged men and 2-4% middle aged women [10]. It occurs when the airway partially or completely collapses during sleep, leading to repeated interruptions in breathing. When the muscles in the back of the throat fail to keep the airway open, oxygen flow to the body and brain decreases. As a result, people with OSA experiences a fragmented sleep and often wake up feeling tired and unrefreshed. Over time, it elevated risk of high blood pressure, heart disease, and stroke.[7]
Common signs include:
• Loud, persistent snoring
• Waking up gasping or choking
• Excessive daytime tiredness despite a full night of sleep
• Morning headaches or dry mouth
• Poor concentration, irritability, or low mood
What is your severity of Obstructive Sleep Apnea?
An In-Lab Sleep Study (Polysomnography) can help determine your OSA severity. During the study, specialized equipment tracks your breathing patterns overnight and calculates your Apnea–Hypopnea Index (AHI) — the key number that tells you how serious your condition is.
The Apnea–Hypopnea Index (AHI) counts 2 types of breathing disruptions per hour of sleep. Here is some more definition regarding AHI:
· Apnea : a complete stop in breathing lasting at least 10 seconds. Your airway fully collapses and no air passes through at all.
· Hypopnea : a partial blockage where airflow drops by at least 30% for 10 seconds or more, usually causing a dip in blood oxygen or a brief micro-awakening.
Mild OSA | Moderate OSA | Severe OSA |
5–14 events / hour | 15–29 events / hour | 30+ events / hour |
To put this in perspective — someone with severe OSA (AHI 30+) may experience a breathing interruption every 2 minutes in the night, often without ever consciously waking up. Over time, this repeated oxygen deprivation is what drives the cardiovascular and cognitive risks associated with untreated sleep apnea.
What is anti-snoring device/ mandibular advancement device (MAD)?
An anti-snoring device is any product designed to reduce snoring by helping keep the airway open during sleep, often by repositioning the jaw, tongue, or improving nasal airflow. Anti-snoring devices are a broad category that includes nasal strips, tongue-retaining devices, and oral appliances worn in the mouth at night. Some are intended only for simple snoring, while others are also used to treat mild to moderate obstructive sleep apnea (OSA). This discussion focuses on mandibular advancement devices (MADs), which are among the more effective oral appliances for managing OSA.
A mandibular advancement device (MAD) is an oral appliance worn over the upper and lower teeth that holds the lower jaw (mandible) in a slightly forward position during sleep. MADs are available in two forms:
Custom-fitted — made by a dentist from impressions of your teeth, calibrated precisely to your jaw anatomy and adjustable over time. Custom MADs are made from dental impressions and adjusted gradually over several visits. The jaw position is fine-tuned until breathing is optimized with minimal jaw discomfort — a process that typically takes 4 to 8 weeks [3].
Over-the-counter (OTC) — bought without a prescription, using a generic fitting. More accessible but less precise and not clinically adjustable.
This forward positioning:
Pulls the tongue and soft tissue away from the back of the throat
Increases the cross-sectional area of the upper airway
Reduces the vibrations that produce snoring
Helps prevent the airway from collapsing entirely.
Custom vs Over-The-Counter MADs
Over-the-counter MADs offer fixed positioning, poor fit, and often cause jaw soreness because the advancement is not calibrated to the individual. A dentist-made MAD costs more and requires clinical visits, however, it produces significantly better results and is far more comfortable long-term.

What is sleep apnea machine / CPAP?
A sleep apnea machine is a general term for any device that treats sleep apnea by delivering pressurized air through a mask to keep the airway open during sleep. While Continuous Positive Airway Pressure (CPAP) is the most common type of sleep apnea machine. In fact, when people say “sleep apnea machine,” they usually mean a CPAP machine. CPAP is the most effective and widely studied treatment for adults in obstructive sleep apnea [13]. It is the most common first-line therapy for OSA and is usually the first choice for newly diagnosed patients.[14]
CPAP is a machine pumps a steady stream of pressurized air through a mask worn over the nose — or nose and mouth — while you sleep. The machine delivers a single, fixed pressure throughout the night to prevent the airway from collapsing.
Although CPAP remains the gold standard of treatment, long-term adherence can be really challenging for some of the patients. Common complaints:
• The mask feels uncomfortable, especially for side sleepers
• The machine makes noise that disturbs sleep or irritates a partner
• Travelling with it is inconvenient — it needs power, takes up luggage space
• Dry mouth, nasal congestion, or skin marks from the mask
Studies suggest that 29–83% of CPAP users do not meet the standard adherence threshold of at least four hours per night [1]. Also, a systematic review has found that non-adherence rates have remained persistently high despite advancement in CPAP device technology. [2] A treatment that sits by the bed unused does not help anyone and this compliance gap is precisely why MADs have become a serious clinical alternative.

MAD vs CPAP: How They Compare
Features | Custom MAD (Dentist-Fitted) | OTC MAD (Purchases at Counter /Pharmacy) | CPAP Machine |
How It Works | Custom mouthpiece advances jaw forward to open airway | Mouthpiece, with generic one-size-fits-all | Air pressure machine keeps airway open via mask |
Comfort | ✓ High : no mask, no noise *Mild jaw soreness at early phrases, will be settled by adjustments | ~ Fair : No custom fit can cause jaw soreness and less precise fit risks | ✗ Lower : mask, tubing, Heavy noise May cause dry mouth, skin marks and nasal congestions |
Ease of Use | ✓ Simple | ✓ Simple | ~ Set-up required nightly |
Compliance | ✓ Very high: patients actually use it | ~ Moderate | ✗ Lower: up to 50% abandon it |
Travel-Friendly | ✓ Excellent – pocket-sized, no power needed | ✓ Good | ✗ Bulky; needs compatible power sources |
Customization | ✓ Fully custom – calibrated to your jaw | ✗ Fixed, no adjustment | ~ Pressure settings adjusted by clinician |
Cost (Depends on region) | ~ Moderate, requires multiple dental visits | ✓ Good | ✗ Generally more expensive upfront |
Mild-moderate OSA(AHI < 30) | ✓ Mild-moderate OSA: excellent | ~ Mild snoring only: modest help | ✓ All severities: strongest evidence |
Severe OSA(AHI 30+) | ~ Not first choice | ✗ Not suitable | ✓ Gold standard |
Follow-ups | ✓ Yes – regular dental check-ins | ✗ No clinical support | ✓ Yes – sleep specialist follow-up |
Best For | ✓ Mild-moderate OSA, snorers, CPAP-intolerant patients | ~ very mild snoring (short-term trial) | ✓ Severe OSA, cardiovascular complications |
Who Should Choose What?
American Academy of Dental Sleep Medicine (AADSM) clinical guidelines recommend custom MADs as an effective first-line treatment for mild-to-moderate OSA and as an alternative for patients who are intolerant of CPAP. [12]
Custom MAD is ideal if... • Mild to moderate OSA (AHI < 30) • You tried CPAP and gave up • You travel frequently • Snoring is your main concern • You sleep on your back | CPAP is ideal if... • Severe OSA (AHI 30+) • Cardiovascular complications • You tried MAD without enough relief • You need the strongest possible control |
Can You Use Both Device At The Same Time?
Yes, and some patients do. A common approach is CPAP at home and a MAD for travel. Others start with a MAD and transition to CPAP if their condition worsens over time. Your dentist and sleep physician can coordinate a joint management plan. The two disciplines work well together in dental sleep medicine.
Frequently Asked Questions(FAQ)
Q: What is the difference between MAD and CPAP?
A: CPAP uses a machine and mask to push pressurized air into the airway continuously. A MAD is a custom dental mouthpiece that holds the lower jaw slightly forward to keep the airway open. CPAP is more effective for severe sleep apnea; MADs are better tolerated and preferred for mild to moderate cases.
Q: Is A MAD as effective as cpap?
A: For mild to moderate sleep apnea, MADs produce comparable improvements in daytime sleepiness, blood pressure, and quality of life. For severe cases, CPAP is more effective. However, because patients use MADs more consistently, real-world outcomes are often similar.
Q: How long does a MAD take to work?
A: Most patients notice improvements in snoring and sleep quality within the first one to two weeks. Optimal jaw positioning usually takes four to eight weeks of gradual adjustment.
Q: Can I buy a MAD without seeing a dentist?
A: Over-the-counter MADs are sold over the counter but are not a substitute for professional assessment. A poorly fitted device can worsen jaw pain or TMJ problems. If you suspect sleep apnea, see a healthcare professional before self-treating.
This article is produced by the Education Team of the Modern Dental Global Foundation. MDGF is a non-profit dental charity and education. This content is for informational purposes only and does not constitute individual medical or dental advice. Please consult a qualified dental professional for personal guidance.
References [1] Weaver TE, Grunstein RR. Adherence to continuous positive airway pressure therapy: the challenge to effective treatment. Proc Am Thorac Soc. 2008;5(2):173–178. doi:10.1513/pats.200708-119MG
[2] Rotenberg BW, Murariu D, Pang KP. Trends in CPAP adherence over twenty years of data collection: a flattened curve. J Otolaryngol Head Neck Surg. 2016;45(1):43. doi:10.1186/s40463-016-0156-0
[3] Sutherland K, Cistulli PA. Mandibular advancement splints for the treatment of sleep apnea syndrome. Swiss Med Wkly. 2011;141:w13276. doi:10.4414/smw.2011.13276
[4] Lim J, Lasserson TJ, Fleetham J, Wright J. Oral appliances for obstructive sleep apnoea. Cochrane Database Syst Rev. 2006;(1):CD004435. doi:10.1002/14651858.CD004435.pub3
[5] Phillips CL, Grunstein RR, Darendeliler MA, et al. Health outcomes of continuous positive airway pressure versus oral appliance treatment for obstructive sleep apnea. Am J Respir Crit Care Med. 2013;187(8):879–887. doi:10.1164/rccm.201212-2223OC
[6] Sharples LD, Clutterbuck-James AL, Glover MJ, et al. Meta-analysis of randomised controlled trials of oral mandibular advancement devices and continuous positive airway pressure for obstructive sleep apnoea-hypopnoea. Sleep Med Rev. 2016;27:108–124. doi:10.1016/j.smrv.2015.05.003
[7] Marin JM, Carrizo SJ, Vicente E, Agusti AGN. Long-term cardiovascular outcomes in men with obstructive sleep apnoea-hypopnoea with or without treatment with continuous positive airway pressure: an observational study. Lancet. 2005;365(9464):1046–1053. doi:10.1016/S0140-6736(05)71141-7
[8] Ramar K, Dort LC, Katz SG, et al. Clinical practice guideline for the treatment of obstructive sleep apnea and snoring with oral appliance therapy. J Clin Sleep Med. 2015;11(7):773–827. doi:10.5664/jcsm.4858
[9] Jayesh SR, Bhinde SM, Thakkar JP. Role of mandibular advancement device in management of obstructive sleep apnoea: A systematic review. J Indian Prosthodont Soc. 2024;24(1):3–9. doi:10.4103/jips.jips_285_23
[10] Peppard PE, Young T, Barnet JH, Palta M, Hagen EW, Hla KM. Increased prevalence of sleep-disordered breathing in adults. Am J Epidemiol. 2013;177(9):1006–1014. doi:10.1093/aje/kws342
[11] Merriam-Webster. (n.d.). Breathing machine: Medical definition. Merriam-Webster.com. https://www.merriam-webster.com/medical/breathing%20machine
[12] American Academy of Dental Sleep Medicine. (2019). Oral appliance therapy should be reimbursed as a first-line therapy for OSA. Journal of Dental Sleep Medicine, 6(1). https://www.aadsm.org/docs/Oral_Appliance_Therapy_Should_be_Reimbursed_as_a_First-Line.pdf
[13] Slowik, J. M., Sankari, A., & Collen, J. F. (2025). Obstructive sleep apnea. In StatPearls. Treasure Island (FL): StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK459252/
[14] Aboussouan, L. S., Bhat, A., Coy, T., & Kominsky, A. (2023, November 30). Treatments for obstructive sleep apnea: CPAP and beyond. Cleveland Clinic Journal of Medicine, 90(12), 755–765. https://www.ccjm.org/content/90/12/755




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