Author: Seong-won Yang (Oral and Maxillofacial Surgeon, Chief Director)
This content has been prepared in compliance with relevant laws including the Medical Service Act.
"I was told the nerve is attached to it—can it still be extracted?" We receive this question from many patients. To answer directly: in most cases, wisdom teeth can be safely extracted if the actual distance and direction to the nerve are first confirmed using 3D CT. This is because in cases where the nerve and tooth appear to overlap on a panoramic (2D image), 3D CT often reveals they are actually separated. Whether extraction should be performed and which method (sectioning or coronectomy) depends on the CT results and professional judgment, so we recommend consulting a dentist rather than making a self-diagnosis based on online searches.
Can you extract a wisdom tooth near the nerve in Bupyeong?
The fact that a wisdom tooth is near the nerve does not automatically mean extraction will be difficult. The key is "how accurately can the relationship between the nerve and tooth be understood?"
Even if the nerve canal and tooth root appear to overlap on a panoramic (2D image), when 3D CT is taken, the structures are often actually separated in the buccal or lingual direction—this is not uncommon in clinical practice. Conversely, structures that appear far apart on 2D images may sometimes be closer than expected on 3D images, so CT is an essential diagnostic step, not optional.
If temporary stimulation to the nerve occurs during extraction, according to Daily Medi reporting, even when nerve damage does occur, most cases recover within 3 months, and permanent sensory changes are reported in less than 1% of clinical cases. Of course, this does not mean "it's fine"—accurate diagnosis and planning to reduce risk must be the foundation.
Whether extraction should be performed and which method—sectioning, coronectomy, or observation—is chosen depends on the CT results and professional judgment. Rather than internet searches or others' experiences, individual consultation based on your own CT images must come first.
Why is a wisdom tooth attached to the nerve so challenging?
Lower wisdom teeth (mandibular third molars) commonly grow close to the inferior alveolar nerve due to anatomical structure. The inferior alveolar nerve is responsible for sensation in the lower lip and chin, so if damaged, temporary numbness or paresthesia can occur in those areas. According to clinical data, inferior alveolar nerve and lingual nerve damage are considered the most significant complications to monitor during extraction of impacted lower wisdom teeth.
The problem is that panoramic (2D) images alone make it difficult to accurately determine whether the nerve canal is on the buccal side of the root, the lingual side, or penetrating through the root. Since 2D images show all front-to-back structures overlapped, there are limitations in understanding the actual three-dimensional spatial relationship with the nerve.
According to Daum News (major media), 3D CBCT imaging allows visualization of the distance, direction, and morphology between the nerve canal and root in three dimensions, and it is recommended that extraction methods be individually planned based on this information. Now dental clinic also uses 3D CBCT as a fundamental diagnostic tool when diagnosing wisdom teeth adjacent to nerves.
Extraction difficulty varies greatly depending on how close the nerve is, how curved the root is, and how deeply impacted the tooth is. For these reasons, clinical data recommend considering mitigation strategies like coronectomy or sectioning for high-risk cases of nerve proximity.
Now dental clinic's approach to extracting wisdom teeth adjacent to nerves
Seong-won Yang, chief director of Now dental clinic, is an oral and maxillofacial surgeon certified by the Ministry of Health and Welfare (approximately 5% of dentists), and based on clinical experience accumulated from personally performing thousands of impacted wisdom tooth extractions, he personally handles the entire process from 3D CBCT analysis through extraction planning and procedure.
Daum News (major media) also emphasizes the importance of having an oral and maxillofacial specialist with deep understanding of facial structure and nerve pathways perform the extraction. This is because wisdom tooth extraction near nerves is not simple tooth removal; the core lies in reading the three-dimensional position of bone and nerve and selecting the appropriate method accordingly.
Extraction of wisdom teeth adjacent to nerves at Now dental clinic proceeds in the following order:
▪ Precision 3D CBCT analysis — Three-dimensional confirmation of the distance, direction, and curvature between nerve canal and root
▪ Extraction plan establishment — Selection of the most suitable method among sectioning, coronectomy, and staged extraction
▪ Pain-free anesthesia — Minimization of injection discomfort through topical anesthetic cream followed by computerized painless injection system
▪ Procedure execution — Hemorrhage control through electrosurgery, use of electric motor handpiece
▪ Option of conscious sedation (sleep extraction) — Available for patients with significant anxiety or dental phobia
According to Seoul National University Hospital Health Information, cases requiring gingival incision, bone removal, tooth sectioning, and root separation may be necessary during extraction, and clinical data show that when roots are attached to nerves, sectioning is used to reduce physical pressure on the nerve. Planning and proceeding step-by-step in this manner is the key to reducing nerve damage risk.
Before extracting wisdom teeth near the nerve, check these situations first
Not all wisdom teeth adjacent to nerves carry the same level of risk. The more items below apply to you, the more important CT interpretation and specialist consultation become before extraction.
▪ Older age — According to clinical research from Hallym University Dongtan Sacred Heart Hospital, patient age has been identified as a factor affecting nerve damage risk. After root formation is complete, especially after age 30, extraction complexity can increase.
▪ Curved or fractured roots — According to Fatima Hospital health information, when root curvature is present, the risk of root fracture during extraction increases, and there is also possibility of residual small roots near the nerve. This is why CT is used to understand root morphology in advance.
▪ Swollen gums or existing pain — Extraction in the presence of inflammation may reduce anesthetic effectiveness and increase infection risk. In such cases, anti-inflammatory treatment can be performed first, then extraction timing adjusted.
▪ Blood clotting disorders or diabetes — These can affect hemorrhage control and wound healing, so medications and systemic conditions must definitely be communicated in advance.
▪ Planning pregnancy or in early pregnancy — Restrictions apply to radiographic imaging and medication use, so it's good to confirm extraction necessity before pregnancy.
Meanwhile, even if temporary sensory changes occur after extraction, according to related insurance medicine educational materials, over 96% of abnormal sensations recover within weeks to months after extraction, with most cases improving within 6-8 weeks.
Patients from Bupyeong-gu, areas around Bupyeong Station, as well as Gyeyang, Sipjeong-dong, and throughout Incheon who are concerned about impacted wisdom teeth are welcome to visit, and after CT analysis we will review extraction necessity and methods together.
Suitability for the procedure is determined after consultation.
Where to get consultation for wisdom tooth extraction near the nerve in Bupyeong?
If you've been told the nerve is close, first confirm it precisely with 3D CBCT at Now dental clinic. Even if you've been told extraction is difficult at another dental clinic or referred to a university hospital, an oral and maxillofacial specialist will provide direct evaluation.
Now dental clinic is located directly in front of Bupyeong Station Exit 27 (4th and 5th floors of Seopa Building), making it easily accessible by public transportation. We offer evening services on Wednesday (until 20:30) and weekend services on Saturday and Sunday, making scheduling convenient for office workers with limited weekday availability. Even if you've already received an opinion that extraction is difficult at another clinic or have been given a referral letter to a university hospital, we can check in-office extraction possibility through direct consultation with an oral and maxillofacial specialist.
Wisdom tooth extraction is not simply about "whether to extract or not," but rather which method and approach sequence create the greatest difference in results. If you bring CT images, consultation can begin based on existing images, so feel free to bring any concerns.
If you're curious about your wisdom teeth's actual condition, precise diagnosis and confirmation is the most accurate first step.
Wisdom tooth extraction near the nerve—Frequently asked questions
Q1. My panoramic X-ray showed the nerve attached to the tooth. Is CT imaging really necessary?
Panoramic images are 2D, so front-to-back structures appear overlapped. It's impossible to determine from a panoramic image whether the root is on the buccal side of the nerve canal, the lingual side, or encompasses the nerve. Only 3D CBCT can visualize the actual spatial relationship in three dimensions, and safe extraction methods can be planned based on these results.
Q2. Can numbness occur if I extract a wisdom tooth near the nerve?
Temporary tingling or dull sensation may occur after extraction. However, according to related clinical data, over 96% of such sensory changes recover within weeks to months, and permanent sensory changes are reported in less than 1%. CT pre-confirmation of the nerve's distance and direction, combined with selecting the appropriate extraction method, is essential to reducing this risk.
Q3. When is coronectomy chosen?
It's considered when CT analysis shows the root is very close to the inferior alveolar nerve or when the nerve appears to be enclosed by the root. This method involves removing only the crown (upper portion) of the tooth while leaving the root attached to the nerve intact, reducing direct stimulation to the nerve. This is not applicable to everyone; specialists make judgment based on comprehensive CT results and clinical findings.
Q4. Another clinic told me to go to a university hospital—can a neighborhood clinic extract it?
If a clinic has an oral and maxillofacial specialist on staff, university hospital-level surgical judgment and procedures are possible. Now dental clinic receives extraction referrals from other clinics, and even patients with university hospital referral letters can first have in-office extraction possibility evaluated. Of course, if CT analysis indicates a university hospital would be more appropriate, we will provide honest guidance.
Suitability for the procedure is determined after consultation