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Dental X-rays: The Inside Story

February 25th, 2026

Pediatric dentists strive to make your children’s visits welcoming and worry-free, and, we want the same for you! Ask us about any questions you might have. We are happy to explain procedures, equipment, and sedation options so you know just how safe and comfortable your child’s experience can be. And if X-rays are a concern, we can put your mind at ease here as well.

What Exactly Are X-rays?

Sometimes parents feel reluctant about the process of imaging because X-rays are a kind of radiation. But the fact is, radiation is all around us. We are exposed to radiation naturally from our soil and water, sun and air, as well as from modern inventions such as cell phones, Wi-Fi, and air travel.

Why is radiation so common? Because matter throughout the universe constantly gives off energy, and the energy that is emitted is termed radiation. This radiation takes two forms—as particles (which we don’t need to consider!) and as traveling rays. This second type is known as electromagnetic radiation, created by photons traveling in regular waves at the speed of light.

We are exposed to electromagnetic radiation every day, because, whether we can see them or not, these different wavelengths and frequencies create various forms of light. Radio waves, microwaves, infrared, visible, and ultraviolet light, X-rays, and gamma rays are all part of the electromagnetic light spectrum.

Different types of radiation on this spectrum have different wavelengths and different frequencies, and produce different amounts of energy. Longer wavelengths mean lower frequencies and less energy. Because X-rays have shorter wavelengths and higher frequencies than, for example, radio waves and visible light, they have more energy.

How Do Dental X-rays Work?

An X-ray machine produces a very narrow beam of X-ray photons. This beam passes through the body and captures images of our teeth and jaws on special film or digital sensors inside the mouth (intraoral X-rays), or on film or sensors located outside the mouth (extraoral X-rays). These X-ray images are also known as radiographs.

Why are X-rays able to take pictures inside our bodies? Remember that higher energy we talked about earlier? This energy enables X-rays to pass through the softer, less dense parts of our bodies, which are seen as gray background in a radiograph. But some substances in our bodies absorb X-rays, such as the calcium found in our bones and teeth. This is why they show up as sharp white images in radiographs. 

There are different types of common dental X-rays which are used for pediatric exams, including:

  • Bitewing X-rays, which are used to check on the health of the back teeth.
  • Periapical X-rays, which allow us to look at one or two specific teeth from crown to root.
  • Panoramic X-rays, which use a special machine to rotate around the head to create a complete two-dimensional picture of teeth and jaws.

Why Do We Need X-rays?

If all of our dental conditions were visible on the surface, there would be no need for X-rays. But there are many conditions that can only be discovered with the use of imaging—infection, decay, or injuries, for example, can show up as darker areas in the teeth or jaws. Among their many diagnostic uses, X-rays can help us find:

  • Cavities between teeth
  • Damage to the tooth’s pulp which might require root canal treatment
  • Injuries to teeth or roots after trauma
  • Abscesses, tumors, or other conditions that might be causing swelling or pain
  • Unusual position or development of the teeth before and as they erupt
  • Alignment and development of wisdom teeth

X-rays can also serve an important preventative role, by discovering small problems before they become major ones.

How Do Dentists Make Sure Your Child’s X-rays Are as Safe as They Can Be?

First of all, the amount of radiation patients are exposed to with a dental X-ray is very small. In fact, a set of bitewing X-rays exposes us to slightly less than the amount of radiation we are exposed to through our natural surroundings in just one day. Even so, Drs. Hutcheson, Train, Goodall, Lewis and our team are committed to making sure young patients are exposed to as little radiation as possible.

Radiologists, the physicians who specialize in imaging procedures and diagnoses, recommend that all dentists and doctors follow the safety principal known as ALARA: “As Low As Reasonably Achievable.” This means using the lowest X-ray exposure necessary to achieve precise diagnostic results for all dental and medical patients.

The guidelines recommended for X-rays and other imaging have been designed to make sure all patients have the safest experience possible whenever they visit the dentist or the doctor. We ensure that imaging is safe and effective in a number of ways:

  • We take X-rays only when they are necessary.
  • We provide protective gear, such as apron shields and thyroid collars, whenever needed.
  • We make use of modern X-ray equipment, for both traditional X-rays and digital X-rays, which exposes patients to a lower amount of radiation than ever before.
  • We set exposure times based on each child’s size and age.

X-rays play an important part in helping us make sure your child’s teeth stay their healthiest. If you have any concerns, contact our Richardson or Carrollton office. When it comes to making sure you’re comfortable with all of our procedures, including any X-rays that might be necessary, we’re happy to give you all the inside information!

Dental Milestones

February 18th, 2026

First word, first step, first day of school—these firsts are milestones every parent celebrates. And one of the earliest and most precious milestones is your baby’s first real smile! 

Keep that smile beaming and healthy from infancy to young adulthood with the help of dental milestones. These breakthrough events mark significant stages in oral development, and are a great guide to understanding, protecting, and supporting your child’s path to adult oral health.

  • First Tooth

The first tooth often arrives around the age of six months. And this is the time to start cavity prevention, with twice daily gentle brushing with a soft-bristled, child-sized toothbrush. Talk to Drs. Hutcheson, Train, Goodall, Lewis or your child's pediatrician to learn how and when to brush and how much and what kind of toothpaste to use.

By the age of three, toddlers typically have all of their 20 baby teeth, and these little teeth are essential to children’s health. They help kids chew and eat, assist speech development and pronunciation, and act as placeholders so adult teeth can erupt in the proper place. Keep your child’s baby teeth their healthiest by partnering with the dental team at Children's Dental Specialists in Richardson or Carrollton.

  • First Visit to the Dentist

Once that first tooth has come in, or around age one, it’s time to bring your little one to the dentist for a first visit. Your pediatric dentist will do a careful exam to see if your child’s teeth and jaws are developing as they should, check the health of the teeth, and answer your questions about brushing, flossing, toothpaste, teething, pacifiers, thumb-sucking, or any other concerns. 

Why choose a pediatric dentist? Your pediatric dental team are experts at creating a “dental home,” a welcoming place which provides comforting continuity and specialized, child-oriented preventative care and treatment from infancy through the teen years.

  • First Lost Tooth/First Permanent Tooth

Around age six, most children start to lose baby teeth, typically in the order in which they arrived. Losing a baby tooth is a big step for children, and might be a bit scary. You can celebrate this milestone with a visit from the Tooth Fairy, or a certificate, or a new toothbrush in your child’s favorite color. 

And as the permanent teeth come in, continue to encourage twice daily brushing and flossing, and consider proactive treatment with dental sealants. Even when children have learned to brush properly, and brush twice each day, it can be hard for kids to remove all the plaque and food particles from the grooved chewing surfaces on top of molars. That’s why molars are much more vulnerable to decay than any other teeth. 

Around the time your child’s first permanent molars erupt, the team at Children's Dental Specialists might suggest sealants. Sealants protect the chewing surfaces of the molars from food particle and plaque buildup. This safe and invisible protective coating, usually a plastic resin, is applied in the office and typically lasts from three to five years. 

  • First Orthodontic Visit

Pediatric dentists and orthodontists recommend an orthodontic examination by age seven (or earlier, if you have any concerns). At this point, children have a mix of primary and permanent teeth, allowing an orthodontist to assess tooth spacing and alignment and the way the jaws fit together. 

Your orthodontist might find no issues with your child’s teeth or bite. Or, perhaps, follow-up appointments might be scheduled to determine if and when future treatment is advisable. Sometimes, because some problems can be treated more easily when your child is young, early intervention with a fixed or removeable appliance is recommended right away. 

Having an orthodontic plan in place helps ensure that children benefit from the most effective and timely treatment at any stage of their development.

  • Orthodontic Treatment

Orthodontic treatment commonly begins in early adolescence (ten to 14) when most or all of the permanent teeth have erupted. The facial and jaw bones are still growing in preteens and young teens, which makes it easier to reposition teeth and guide jaw alignment.

More treatment options are available than ever before—and today’s braces, clear aligners, smaller and more comfortable appliances, and even 3D technology make treating malocclusions and misalignments more efficient than ever before.

A healthy bite and properly aligned teeth are a foundation of lasting oral health. Orthodontic treatment helps prevent decay, gum disease, jaw pain, and even early tooth loss. And, of course, the value of your child’s increased self-confidence is impossible to overestimate!

  • Wisdom Teeth

Wisdom teeth, or third molars, generally start to erupt in the late teens or early twenties and often have a harmful effect on oral health.

Erupting or impacted wisdom teeth can push neighboring teeth out of position, damage adjacent tooth roots, and cause inflammation and infection in gum and bone around the wisdom tooth. For these reasons, preventative extraction is often recommended. 

If your teen shows any symptoms of erupting or impacted wisdom teeth—irritated, swollen, or bleeding gums, bad breath, jaw pain or swelling—a visit to the dentist is in order.

As parents, you do your best to guide your child’s journey from infancy to healthy adulthood. Each dental milestone marks a new stage in your child’s oral health journey, and new ways for you to encourage and protect that oral health. Use these milestones to set your child up for a lifetime of good dental habits—and a lifetime of healthy smiles!

Courting Disaster

February 11th, 2026

When we think of sports and dental damage, we naturally think of hockey and football. But when it comes to the actual number of dental injuries suffered each year, vying for top seed is the game of basketball.

How is this possible? After all, football and hockey are categorized as “collision sports”! But along with the helmets, shin guards, and padding, these teams quite often require mouthguards—and this makes all the difference. Studies have shown that an increase in the number of players wearing mouthguards means a decrease in the number of oral traumas.

And while basketball isn’t considered a collision sport, it is a contact sport. Basketball is a combination of running, jumping, hard surfaces, and solid bodies. And elbows. We can’t forget elbows. So a broken or even a knocked out tooth isn’t, unfortunately, all that unusual when bodies in motion meet hard surfaces—or other players. But there are other dental dangers as well. Besides tooth injuries, oral injuries can involve:

  • The ligaments and bone structures holding teeth in place
  • Bones in the upper and lower jaw
  • Delicate gum, tongue, and mouth tissue.

You need a solid defensive strategy to reduce the severity of oral injuries or to prevent them from happening altogether, especially when you wear braces. The best play in your playbook? Wearing a mouthguard!

Choosing the right guard is key. There are three common options, and you can choose the model which works best for you:

  • Stock guards, which are ready-made guards in pre-formed shapes and sizes. You can buy them over the counter in drug stores and sporting goods stores. Because these guards aren’t shaped to fit your teeth and mouth specifically, they can be less protective (and harder to speak around).
  • “Boil-and-bite” guards can also be purchased, and can provide a closer fit. After warming the guard in hot water as directed, you place it in your mouth and bite down firmly to mold it to your teeth.
  • Drs. Hutcheson, Train, Goodall, Lewis can make you a mouthguard that is designed and crafted specifically for your use. Because this guard is custom-fitted, it provides better protection for your teeth and mouth. Patients often find custom guards much more comfortable and more durable as well.

Mouthguards are most effective when you wear them on the court and care for them off the court. This means avoiding a few flagrant fouls.

  • Dirty play

All those moist nooks and crannies inside your mouthguard are a perfect environment for bacteria, mold, and plaque buildup. You should clean your mouthguard carefully every time you wear it, and let it air dry before popping it back in the case. Ask Drs. Hutcheson, Train, Goodall, Lewis for advice on getting your guard and its case their cleanest.

  • Failure to sub out in a timely fashion

Mouthguards don’t work if they’re damaged. If you notice any warping, breakage, or jagged or sharp edges, contact our Richardson or Carrollton office for a replacement. If a guard doesn’t fit you properly, it doesn’t protect you, and sharp edges can irritate or injure delicate mouth tissue.

  • Unnecessary roughness

Your mouthguard protects you, so don’t forget to protect it! Keep your guard in its case when you’re not wearing it to save it from dirt, damage, and disappearance.

If you know your basketball, you know your guard game can make all the difference. Even though a mouthguard might not be mandatory on your team, that doesn’t mean it’s not essential. Remember that basketball is a contact sport, and protect your teeth, your mouth, and your braces with a mouthguard whenever you play.

How to Brush a Two-Year-Old’s Teeth Effectively

February 4th, 2026

Our team at Children's Dental Specialists would like to offer some tips regarding the sometimes dreaded task of brushing a toddler’s teeth.

Much of the trick lies in the positioning. Before you begin, make sure you are in a position of control. This protects both you and your child from injury. Consider how well you can see. If you cannot see clearly, the quality of brushing drops significantly. For instance, if your child is standing, you are likely to see only the bottom teeth well.

Our team finds that the best position for brushing and flossing a toddler is when your child is calm. Have your child lie down on his or her back with arms out to make a T. Sit down just above the head and lightly place your legs over your child’s arms. Using a circular motion, brush all sides of the teeth.

It may sound odd, but approaching the routine this way can make brushing time a cinch! After you’re done, give your child the toothbrush and let him or her have a turn. The benefit of doing the brushing and flossing first is that it gives an example, which your child is more likely to repeat when you’re done.

Different methods work best for different families and children. These practices need to be performed with kindness and care. Be gentle and make this time a happy learning time. Don’t forget to bring your child to our Richardson or Carrollton office for regular dental checkups and cleanings. Drs. Hutcheson, Train, Goodall, Lewis can advise you on ways to implement portions of these tips in a way that may work bests for you and your child.