Anesthesia at the Dentist: Modern Pain Relief for Anxiety-Free Treatments

© Pavel Danilyuk

September 16, 2025

Lena Sämann

  • Aesthetics & Function in Dentistry
  • Health
  • Dentistry

Anesthesia at the Dentist: Modern Pain Relief for Anxiety-Free Treatments

Modern anesthesia techniques allow for completely pain-free treatments. From the proven local anesthesia to general anesthesia for major procedures – find out which methods of pain elimination are suitable for you.

Dental anesthesia has advanced significantly in recent years, allowing for nearly pain-free treatments today. Modern local anesthetics and refined injection techniques ensure maximum patient comfort with high safety.

What is dental anesthesia?

Dental anesthesia refers to the medicinal elimination of pain sensation in the oral area during dental procedures. Nerve fibers are temporarily blocked so that pain impulses can no longer be transmitted to the brain.

Anesthesia techniques in modern dentistry

Infiltration anesthesia

The most common method, where the anesthetic is injected directly into the tissue to be treated. Particularly effective in the upper jaw due to the thinner bone structure.

Conduction anesthesia

Targeted blockade of larger nerve trunks, mainly used in the lower jaw. The inferior alveolar nerve is specifically anesthetized to make larger treatment areas pain-free.

Intraligamentary anesthesia

Modern technique of direct injection into the periodontal ligament space. Allows for very precise and economical anesthesia of individual teeth.

Vasoconstrictors: Adrenaline and alternatives

Vasoconstrictors such as adrenaline are added to local anesthetics to prolong their effect and reduce bleeding. Standard concentrations are 1:100,000 or 1:200,000.

Caution is advised for the following patients:

In these cases, adrenaline-free preparations can be used.

Surface anesthesia: Painless injection

A 0.5 to 1 percent solution of a surface anesthetic is used here. Modern practices use various methods to reduce injection pain:

  • Topical anesthetics (gels, sprays)
  • Pressure anesthesia before injection
  • Slow, controlled injection
  • Warming of the anesthetic solution

General anesthesia at the dentist: When is it useful?

General anesthesia in dentistry is used for the following indications:

Medical indications:

  • Extensive oral surgical procedures
  • Patients with pronounced Dental anxiety
  • Mental or physical disabilities
  • Children for major procedures
  • Allergies to local anesthetics

Procedure for dental general anesthesia:

  1. Pre-operative examination and information
  2. Fasting: 6 hours before the procedure no solid food, 2 hours for clear liquids like water and tea/coffee without milk
  3. Induction and monitoring of anesthesia by anesthetists
  4. Conducting the dental treatment
  5. Monitoring in the recovery phase

Modern developments and future prospects

Phentolamine for local anesthetic reversal

Phentolamine can be used to reverse the effects of anesthesia. This drug can shorten the duration of local anesthesia by up to 50%, significantly enhancing patient comfort.

Computer-controlled anesthesia

Modern injection systems allow precise control of injection speed and pressure, leading to less pain and better anesthesia quality.

New application methods

  • Jet injectors for needle-free anesthesia
  • Iontophoresis for enhanced surface anesthesia
  • Ultrasound-guided injection techniques

Side effects and complications

Common, harmless side effects:

  • Temporary numbness of lip and tongue
  • Mild swelling at the injection site
  • Metallic taste

Rare complications:

  • Allergic reactions (< 1% of cases)
  • Hematomas in case of vascular injury
  • Nerve damage due to incorrect technique
  • Systemic intoxication due to overdose

Patient preparation and education

Comprehensive education is essential for treatment success.

Points to consider before anesthesia:

  • Medication intake (especially blood thinners)
  • Allergies and intolerances
  • Pregnancy
  • Current illnesses
  • Previous experiences with anesthesia

Costs and reimbursement

Legal Health insurance:

  • Local anesthesia for medically necessary treatments: fully reimbursed
  • General anesthesia: reimbursed only with medical indication

Private additional services:

  • General anesthesia for comfort reasons: 150-400 euros
  • Analgesic sedation: 100-300 euros
  • Laughing gas: 50-100 euros per session

Conclusion

Modern dental anesthesia today offers excellent possibilities for painless treatments. Articaine as the preferred local anesthetic, refined injection techniques, and additional options such as general anesthesia or sedation make it possible to offer a pleasant treatment even to anxious patients. The continuous development of anesthesia methods significantly contributes to the improvement of dental care.

This article is for information purposes and does not replace personal consultation with a dentist. If you have questions about anesthesia, you should always consult your treating dentist turn.