Why Do My Teeth Hurt After Wisdom Teeth Removal?

Pain after wisdom teeth removal often radiates across the jaw, causing discomfort in teeth far from the extraction site. This sensation of generalized toothache is a frequent, though confusing, experience for many recovering patients. This widespread ache is usually not a sign that anything is wrong with your other teeth. The discomfort is generally related to the body’s natural response to surgery and the close proximity of various anatomical structures in the mouth.

Referred Pain and Jaw Muscle Strain

One of the most common reasons for generalized pain is referred pain. The brain interprets pain signals from an injured area as originating elsewhere along the same nerve pathway. Intense inflammation at the extraction site stimulates local nerves, causing the pain signal to spread. This is perceived as a throbbing or aching in the surrounding teeth and even the opposing jaw. This discomfort is a temporary side effect of the inflammatory healing response and usually improves steadily as swelling decreases.

Another element is the strain placed on the jaw muscles during the extraction procedure. The surgeon must keep the mouth open for an extended period, which fatigues the muscles of mastication (masseter and temporalis). This muscle stiffness, known as trismus, restricts the ability to open the mouth fully and causes pain that radiates along the jawline and into the teeth. This soreness is expected and typically resolves with rest and gentle movement.

Adjacent Tooth Sensitivity and Sinus Pressure

The teeth immediately next to the extraction site may feel sensitive or tender due to the physical manipulation involved. To remove an impacted wisdom tooth, the surgeon applies pressure and uses specialized instruments to loosen the tooth from the bone. This force can temporarily irritate the sensitive ligaments and roots of the neighboring second molar. This irritation makes the molar feel sensitive to temperature or pressure for several days.

For extractions involving the upper wisdom teeth, pain in the upper back molars can also be caused by changes in the sinuses. The roots of the upper teeth are positioned close to the maxillary sinuses, the air-filled spaces behind the cheeks. Swelling from the surgery creates pressure in the sinus cavity, which is often felt as a dull ache or fullness in the upper molars and premolars. This discomfort mimics a toothache even though the teeth are not the source of the problem.

Identifying Serious Complications

While most radiating pain is benign, certain symptoms indicate a complication requiring professional attention. The first is nerve irritation or damage, often affecting the inferior alveolar nerve in the lower jaw. Symptoms of nerve involvement include shooting, sharp, or electric shock-like pain that radiates along the jawline, or persistent tingling or numbness in the lower lip, chin, or tongue. While nerve irritation is often temporary, persistent symptoms beyond 48 hours must be reported to the surgeon.

Another element is an infection developing at the extraction site, which causes intense, throbbing pain that radiates to the surrounding teeth, ear, or neck. Unlike normal post-operative discomfort, which steadily improves, pain from an infection typically worsens after the third or fourth day. This escalating pain is often accompanied by fever, pus discharge from the socket, or increasing swelling. In contrast, a dry socket, where the protective blood clot is lost, causes severe, localized pain that also radiates but usually begins one to three days after the procedure.

Immediate Pain Management and Red Flags

To manage expected pain, alternate between non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and acetaminophen. Ibuprofen reduces inflammation, while acetaminophen provides additional pain relief; staggering their schedule offers more consistent comfort. Applying an ice pack to the outside of the cheek for 15 to 20 minutes during the first 24 to 48 hours helps minimize swelling and reduce the generalized ache. To reduce muscle soreness, stick to a soft diet and avoid excessive chewing or wide jaw movements.

If discomfort is not improving, contact your dental office immediately. Clear red flags warranting professional evaluation include:

  • Pain that increases dramatically after day four.
  • Swelling that spreads or does not decrease.
  • A fever.
  • Persistent numbness or tingling in the lip, chin, or tongue lasting beyond the first 24 hours.