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  • Writer's pictureSung Ho Kim

Laser Vaporization in Dentistry: Advantages and Applications of Yoshida CO2 Laser

As you may be aware, the Yoshida CO2 laser is renowned for its remarkable precision and speed in cutting, as well as its highly effective hemostasis performance. In addition to excelling in incision, excision, and hemostasis, this machine's superior vaporization capability allows it to be utilized in a wide range of dental treatments.


Laser vaporization is a non-invasive, cost-effective, quick, and relatively painless method for managing premalignant lesions. Many clinicians believe that the laser's hemostatic effect reduces the likelihood of malignant cells spreading through the bloodstream or lymphatic system. Laser ablation is associated with minimal discomfort and low morbidity, making it a valuable tool in the treatment of premalignant mucosal lesions.

Inflammatory conditions such as periodontitis, implantitis, alveolitis, papillary hyperplasia, herpetic lesions, and aphthous ulcerations can be effectively managed with laser vaporization therapy.

Laser vaporization provides an alternative to regularly prescribed medications for treating herpetic and aphthous ulcers, which often provide only temporary relief. Laser therapy offers symptomatic relief and creates an optimal environment for healing by selectively eliminating pathogens and disease through photothermal tissue interaction in these recurring lesions.

Laser therapy is also effective in alleviating the painful symptoms associated with aphthous and herpetic stomatitis, as well as treating the oral manifestations of acquired immunodeficiency syndrome (AIDS).

Vaporization is particularly suitable for removing large surface lesions that are confined to the epithelium and located in areas where incisions may compromise underlying anatomy, such as the floor of the mouth. Traditional biopsy techniques using a scalpel would be considered aggressive in such cases, as they remove excessive tissue and may lead to bleeding, scarring, and injury to adjacent structures.

In tissue ablation with most CO2 lasers, each pass penetrates from a few hundred micrometers down to 1 to 2mm. This conservative approach selectively removes each cellular layer, minimizing damage to underlying tissue and structures. After laser ablation, tissue elasticity remains intact, scarring is reduced, and fundamental function is preserved.

Furthermore, lasers have the ability to increase blood flow and circulation to a specific area. Through biostimulation, lasers can stimulate anti-inflammatory properties, promote wound healing, and reduce inflammation. The temperature during laser treatment remains below 43 degrees Celsius, which activates the immune system and facilitates the breakdown of harmful proteins while activating beneficial proteins. This principle is similar to the effects of hot springs.

A single vaporization pass results in a thickness of 0.2-0.3mm, while three vaporization passes achieve a thickness of 1mm, equivalent to the epithelium of the tissue. Therefore, performing three or four vaporizations restores the tissue's epithelium at the fastest rate.

In cases of muscle pain, far-infrared treatment is often administered using a hot pack. CO2 laser treatment emits far-infrared radiation, offering patients a more specialized alternative to the time-consuming application of a hot pack after endodontic treatment.

As discussed above, vaporization has numerous benefits, including its hemostatic effect, far-infrared effect, biostimulation effect, accelerated healing speed, and improved blood and lymph circulation.

By incorporating CO2 laser vaporization into the final stage of most treatments, a short duration of 30 seconds to less than 1 minute is sufficient to enhance the treatment's effectiveness and optimize the performance of medications, thereby reducing healing time. Particularly, the Yoshida CO2 laser is highly effective in treating inflammation and preventing recurrence. Therefore, encouraging patients to visit your dental office for laser treatment several times as a means of managing inflammation can serve as an excellent marketing strategy for your dental business.

Among the various CO2 laser machines available, the Yoshida CO2 laser stands out for its consistent pulse peak power and superior vaporization effect. By utilizing the Yoshida CO2 laser, you have the opportunity to make a significant breakthrough in your successful dental practice.

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