A dull ache behind your back molars, gums that intermittently swell, or a bad taste that brushing never quite clears can all point to the same problem: a wisdom tooth that ran out of room before it could finish coming in. Wisdom teeth (also known as third molars) get stuck because they are the last adult teeth to form, and by the time they arrive in the late teens or early twenties, the jaw often has no space left for them. At Dr. Jenna D. Godwin Oral and Maxillofacial Surgery in Seminole, FL, impacted third molars are one of the most common concerns we evaluate, and many of the patients we see have no symptoms at all until an X-ray is taken.
This guide explains what impaction means, how to recognize it, and what your options are if surgery is recommended.
This Article Will Address
- Why wisdom teeth become trapped in the gums or jawbone
- The age range when wisdom teeth erupt and when removal is easiest
- Symptoms you may feel and signs that may only show up on an X-ray
- What can happen when an impacted tooth is ignored
- Whether you need all wisdom teeth removed
What Does Impaction Mean, and Why Do Wisdom Teeth Get Stuck?
Impaction means a tooth cannot fully break through the gums or jawbone into a normal and functional position, and the most common cause is a simple lack of space in the jaw. Human jaws have grown smaller over thousands of years as diets have softened, yet we still develop the same number of teeth. Because wisdom teeth are the last to arrive, they are the ones that lose the competition for room. A poor developmental angle, dense bone, or thick gum tissue can also impede their eruption.
How the Angle of a Third Molar Affects Impaction
The direction a wisdom tooth faces tells us a great deal about how it will behave:
- Mesioangular: crown tilted forward toward the second molar. This is the most common pattern, and the tooth often presses into the molar in front of it, creating an environment for bacterial infection and cavities to form.
- Distoangular: tilted backward toward the rear of the mouth.
- Horizontal: lying on its side within the jawbone and pushing directly into the neighboring tooth’s roots.
- Vertical: positioned upright like a normal tooth but still trapped beneath bone or gum.
Soft Tissue Versus Bony Wisdom Tooth Impaction
Depth matters as much as angle. A soft tissue impaction has cleared the bone but remains covered by gum. A partial bony impaction is still partly encased in the jaw bone, and a full bony impaction sits entirely within the bone. The deeper the tooth, the more surgical skill is required to remove it, since bone often has to be carefully removed to reach it.
At What Age Do Wisdom Teeth Usually Come In or Need Removal?
Wisdom teeth usually begin to erupt between the ages of 16 and 25, and removal tends to go most smoothly in the late teens and early twenties, before the roots have fully formed. Because wisdom teeth begin developing around age 9 or 10, a panoramic X-ray in the mid-teens can often show whether they will have room long before discomfort starts.
The American Association of Oral and Maxillofacial Surgeons recommends that third molars be evaluated by an oral surgeon by young adulthood. At that stage, the roots are shorter and usually farther from the lower jaw nerve, the bone is more flexible, and healing is faster. Adults in their thirties, forties, and beyond still have wisdom teeth removed regularly, and age alone is never a reason to live with pain or infection.
How Do I Know if My Wisdom Teeth Are Impacted?
The only way to know for certain is with dental imaging, because many trapped third molars cause no symptoms at all. When they do cause trouble, the signs usually appear in the gums and jaw directly behind your last molar.
Symptoms of a Trapped Wisdom Tooth You Can Feel
- Red, swollen, or tender gums behind the last molar
- Gums that bleed when you brush or floss that area
- Jaw pain or a dull ache that may spread toward the ear
- Swelling along the jawline
- Persistent bad breath or an unpleasant taste
- Difficulty opening your mouth fully
- Swollen lymph nodes beneath the jaw
When a wisdom tooth has only partially broken through, a flap of gum can trap food and bacteria against it. This leads to a painful infection called pericoronitis. Flare-ups often fade and then return months later, so many people assume the problem has been resolved when it has not.
Signs of Wisdom Tooth Impaction On Imaging
An X-ray often shows what a mirror cannot: the tooth’s angle and depth, how close the roots sit to the lower jaw nerve or the sinus in the upper jaw, and whether it presses against the neighboring molar. Imaging can also reveal early decay on the back of that neighboring tooth or the beginnings of cysts or other pathology. At your consultation appointment, Dr. Godwin walks you through your images so you understand exactly where each tooth sits before any decision is made.
What Happens if Impacted Wisdom Teeth Are Left Untreated?
Some trapped wisdom teeth stay quiet for years, but many eventually cause infection, cavities, or damage to the healthy molar in front of them, and these problems usually become harder to treat with time. The most common complications include:
- Recurring infection: repeated bouts of pericoronitis that, in more serious cases, can spread into the surrounding tissues of the face and neck.
- Damage to the second molar: constant pressure can wear away its roots, and the hard-to-clean pocket between the teeth invites bacteria.
- Cysts: the sac surrounding a developing wisdom tooth can fill with fluid and slowly damage the jawbone, adjacent teeth, and nerves. In rare cases, a benign tumor forms.
- Gum disease and bone loss: bacteria collect in the deep space behind the last molar, weakening the bone that supports your other teeth.
- Pressure on neighboring teeth: this may contribute to shifting after orthodontic treatment.
Not every wisdom tooth needs to come out. Teeth that are fully erupted, healthy, and easy to clean can often stay with regular checkups and periodic X-rays. Similarly, wisdom teeth that are completely impacted by bone, in close proximity to nerves and sinuses, and not causing problems to the surrounding teeth may be able to simply be monitored. The goal is to make a deliberate informed choice with your surgeon rather than waiting for a painful flare-up. If removal is the right decision for you, our wisdom teeth removal process is designed to keep each step predictable and comfortable.
Do All Four Wisdom Teeth Need to Come Out at Once?
Not always. Many patients choose to have all four removed in a single visit because it means one procedure, one exposure to anesthesia, and one recovery, but the right plan depends on which teeth are or are likely to cause problems. Treating all third molars together also helps because an upper wisdom tooth left without its lower partner can drift downward over time. With IV sedation, patients rest comfortably during the procedure and remember very little of the appointment.
A staged approach can make more sense when:
- Only one or two teeth show problems and the others are erupted and healthy
- A medical condition makes a shorter procedure the safer choice
- An active infection needs to calm down before surgery
- A tooth sits very close to the mandibular nerve and needs extra planning before treatment
Dr. Godwin refined her surgical expertise in the U.S. Army, where she served as a Program Director for an oral surgery residency training program, and she is a Diplomate of the American Board of Oral and Maxillofacial Surgery and the American Dental Society of Anesthesiology. Discipline and attention to detail is put into how she plans every case, from routine surgical extractions to molars sitting deep near the nerve. Our patient care coordinators, Stephanie and McKensi, help with scheduling and insurance questions, and our surgical assistants, Terry and Jessica, support you throughout your procedure. One patient, Laura K., called her molar extraction the “most pleasant experience possible.” Our full range of oral surgery services extends well beyond wisdom teeth.
Book Your Wisdom Teeth Consultation with Dr. Godwin Today
If you have noticed swelling, pain, or a lingering bad taste behind your back molars, or your dentist has mentioned that your wisdom teeth may not have room to come in, a consultation is the best next step. Dr. Jenna D. Godwin Oral and Maxillofacial Surgery in Seminole, FL is welcoming new patients and dentist referrals. Call (727) 397-8500 or request a consultation online, and our team will help you find a time that works for you.
Sources
- Impacted Wisdom Teeth: Symptoms and Causes, Mayo Clinic
- Impacted Wisdom Teeth, Cleveland Clinic
- Wisdom Teeth Management, American Association of Oral and Maxillofacial Surgeons
Dr. Godwin
Dr. Jenna D. Godwin is a board-certified oral and maxillofacial surgeon serving patients in Seminole, Florida. She earned her Doctor of Medical Dentistry degree from the University of Florida and went on to serve in the U.S. Army, where she developed advanced surgical expertise and later trained resident surgeons. Her background combines the precision of military training with a compassionate, patient-centered approach, allowing her to provide personalized care tailored to each patient’s needs. Dr. Godwin is a Diplomate of the American Board of Oral and Maxillofacial Surgery and the National Dental Board of Anesthesiology, and she is an active member of several professional dental and surgical organizations. Outside of the office, she enjoys exercise, travel, and spending time with her son, Elliott. Dr. Godwin is committed to creating a calm, supportive environment where every patient feels valued, informed, and confident in their care.