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    Obstructive Sleep Apnea leads to multiple co-morbidities or other diseases that can drastically shorten ones lifespan.   Picture this, you are having a breath holding contest underwater with your niece/nephew and to your surprise they take you to your absolute limits until you finally give in and rise to surface gasping for air.  How do you feel?  Your heart is racing and you feel absolutely exhausted. 

    Picture doing this over and over in your sleep and you are well on your way to realizing what Obstructive Sleep Apnea does to one’s body.   Each of these disturbances is called an Apnea.

    During an Apnea, one is forced into a flight or fight response to literally save themselves from suffocating.  In turn heart rate is elevated multiple times during the night putting extra stress on the heart which can increase blood pressure and increase risk for cardiac failure.

    This same fight or flight response during an Apnea also stimulates ones blood sugar.  Instead of actually fighting or “flighting” so to say, you are left stagnant in your bed trying to sleep.  Thus, this wasted stimulation of blood sugar over and over during the night increases the risk of someone developing Diabetes as well as becoming overweight.  The increase of blood sugar during an Apnea would be similar to having a sugary snack multiple times during the night time. 

    This does't even begin to touch the surface of how OSA effects quality of sleep.  Not only do we need sleep to recover physically but lack of sleep can also affect mental acuity and our productivity during the day.  A high percentage of car crashes are caused by drivers who are sleep deprived. Living with untreated OSA not only puts you at risk but also your passengers and other drivers on the roads.

Trying to lose weight but just can’t seem to make any progress?

                When we go for a run we need sugar in our blood to use as energy.  Running then uses this sugar in the blood to keep us going mile after mile.  But what happens when blood sugar is elevated during sleep?  This sugar is converted and stored for later use as fat.  All the diets and workouts in the world may not be able to overcome the effects of Obstructive Sleep Apnea on blood sugar.

                Chronic High Blood Pressure, Obesity and Diabetes can greatly decrease one’s life expectancy.  If your loved one is a snorer then treating their Obstructive Sleep Apnea may be the key to increasing their health for years to come.

So what do I do?

                First, a diagnosis is needed. Not all snorers have Obstructive sleep apnea and not all sleep apnea suffers snore.  The diagnosis starts with a certified sleep study that measures snoring, number of apneas and oxygen levels during the night. 

Are there any cures?

                Once diagnosed by a sleep professional there are a number of devices that can prevent Obstructive sleep Apnea.   Depending on the severity a CPAP or continuous positive airway pressure  may be prescribed to keep a patients airway open.

Are there other devices that are less invasive than a CPAP?

                Yes.  For mild OSA sufferers or patients who are unable to tolerate a CPAP, Dentists can fabricate a MAA or Mandibular Advancement Appliance .

                A MAA is similar to wearing an upper and lower mouth guard at the same time.  This device helps keep ones airway open throughout the night by preventing the lower jaw from drifting back into the throat which leads to airway obstruction or closure.

What can Drewyer Dentistry do for me?

    At our office in Burtonsville, MD we assist in both the diagnosis and care for sufferers of OSA.  We offer our patients a Free Take Home Sleep Study.  Our sleep study device in comfortable and noninvasive and consists of wearing wrist watch size bracelet, a small microphone taped to the chest  and a plastic finger cover that is smaller than a finger splint.

    Drewyer Dentistry also fabricates MAA’s in office.  Below is an example of one of the appliances we make for suffers of Obstructive Sleep Apnea. 

Check out our Oral Appliance for Sleep Breathing page to see how your dentist can help OSA sufferers.

                The sound of snoring actually comes from the suction that occurs in ones throat when soft tissues of the neck, tongue and throat close off ones airways.  The vibration of air trying to make its way through this closed space creates the loud snoring noise and when totally closed can cause suffocation and lack of oxygen multiple times during the night.  Sometimes this lack of oxygen will cause someone to wake suddenly gasping for air.  Often times the snorer is unaware of these disturbances, which is why it is so important for their spouses or family members to be educated on the danger of snoring.

         Common characteristic of OSA sufferers:

  • Large Shirt Collar size or neck size
  • Chronic Heart Burn
  • Large tongue
  • Small Mouth
  • History of Braces
  • Overweight
  • Large tonsils or never had your tonsils removed
  • Heavy wear on teeth
  • TMJ pain
  • Chronic Nasal congestion

    Chronic nasal congestion, a large neck, large tongue, large tonsils, carrying extra weight and a small mouth are all signs of a reduced size of airway opening.  In some cases, orthodontic treatment (braces) actually narrows ones palate (roof of their mouth) causing a smaller opening of the airway.     A Mallampati Classification is a score of one’s airway size from I-IV. 

    The suction of soft tissue that causes the snoring noise, also causes a suction from down in the stomach throughout the night.  This suctions up stomach acids that can cause chronic heart burn and even acidic wear on ones teeth. 

When an OSA sufferer is suffocating during the night the only way they can re-open their airway to breathe again is to rapidly thrust their lower jaw forward after it has drifted back into their airway.  This forceful motion of the lower jaw grinds teeth against teeth and puts extra stress on the jaw joint called the Temporomandibular Joint (TMJ), multiple times night after night.

Take a look at the diagram below to see how airways close during OSA.  The far right photo shows how a Dentist Fabricated Oral Appliance opens the airway:

Check out our next blog Is your Loved One’s Snoring shortening their lifespan?  

Or Check out our Oral Appliance for Sleep Breathing page to see how your dentist can help OSA sufferers.

    Everyone has that uncle or grandfather who could be mistaken for a horse while he sleeps in the recliner after a family dinner.  Snoring, usually described as funny or annoying and many times an embarrassing stigma is associated with loud snoring.  But Dangerous? Or Life Threatening?  These could be the terms that are more important when loved ones are heard snoring.

    The truth is snoring could be a sign of a condition called Obstructive Sleep Apnea (OSA) in which someone actually stops breathing multiple time during their sleep.  Here are a few signs you may be experiencing OSA:

  • Loud Snoring
  • Chronic Heart Burn
  • Daytime Sleepiness
  • Awakening with dry mouth or sore throat
  • Morning Headache
  • Abrupt awakening  while gasping or choking
  • High Blood Pressure
  • Overweight
  • Difficulty concentrating during the day
  • Spouse unable to sleep in the same room

Check out our next blog 8 Weird but Common Characteristics of Obstructive Sleep Apnea Sufferers

Or Check out our Oral Appliance for Sleep Breathing page to see how your dentist can help OSA sufferers.

By Austin D. Drewyer D.D.S.
May 19, 2017
Category: Dental Technology
Tags: Cavity   CariVu   Fillings  

CariVu Cavity Detection Camera

    Until recently, x-rays have been the number one diagnostic tool for the detection of decay (caries) in areas that are not visible by sight. Advances in technology have brought new and more efficient ways of diagnosis to the table. One of the best advances is an intra-oral camera known as Cari-Vu. The Cari-Vu is a very accurate system for detecting decay, with 99% accuracy, improving the current 91% accuracy of digital   x-rays. X-rays can be somewhat limiting due to their "view" on crowded teeth and lower radiation exposures (good news, yet bad resolution!). This means that cavities can develop unnoticed in areas until a patient experiences pain or sensitivity. These questionable lesions which sometimes may be referred to as a "watch" can now be diagnosed with Cari-Vu. The camera gets a birds eye view of the tooth, shines a powerful light (near-infrared transillumination) and records the 3D picture revealing the relative density of the tooth structure. All of this is done with NO radiation.  We can tour the entire mouth in just a few minutes, and patients can watch the live monitor to see if there are any dark spots right away. X-rays can be tricky to explain, and require a trained eye to see the potential state of a tooth. The Cari-Vu has taken a lot of guesswork out of diagnosing questionable areas of decay. Additionally, the Cari-Vu shows evidence of deep cracks around silver fillings, which often signal the risk of fracture. Patients who have experienced this know all too well that once this happens they are often left with having to place a crown on that tooth. This early detection can ultimately save a tooth from potentially needing a crown, and instead be restored with a tooth colored resin filling. Now patients can be even more     in charge of their dental wellness by knowing with confidence what exactly is going on in their mouth. Treating patients with the utmost efficient, reliable, and safe technology, we feel, is the best way to treat a patient.  We are very excited to introduce this camera to our patients, and seeing is now believing.  Check out the below pictures, the top picture was taken with the CariVu camera and the picture below shows the same cavity once the tooth has been opened up.


By Austin D. Drewyer D.D.S.
November 02, 2016
Category: Dental Technology
Tags: Digital X-rays  

Why do we use Digital X-Rays at Drewyer Dentistry?........ For our Patients!     We strive to provide the highest level of care for our patients and using digital X-ray technology is one the many cutting edge features of our dental practice.   Did you know that digital x-rays reduce radiation exposure up to 90%.  This ensures the safest dental visit for you and your family.   Digital X-rays are not only safer for you but also safer for our environment.   By going digital we eliminate the need for harsh

 chemicals and other harmful materials used with traditional film radiography.    Another advantage of our digital X-ray system is our ability to provide instant feedback for our patients.  Instead of waiting for film X-rays to be developed, we can display digital X-rays in seconds for our patients on a flat screen hanging above each of our patient chairs.   We can then magnify and sharpen images right on the computer making it easier to provide patients a faster and more accurate diagnosis.

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