The Rise Of Laser Dentistry: Advantages And Limitations
Published on: June 18, 2025
The Rise Of Laser Dentistry: Advantages And Limitations
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Akanksha Suryvanshi

Bachelor of Dental Surgery- BDS, Ahmedabad Dental, College and Hospital, India

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Mahhum Saqib

BSc Pharmacology Undergraduate, King’s College London

Introduction 

The field of dentistry works hard to utilise the latest technology to speed up and fine-tune their work, and this has led to the growth of modern, high-tech methods in both large and small towns. The conventional methods,  using slow and fast tools, can be loud, shaking, and make it hard for people getting treated. One such example among many is the use of lasers in dentistry. Laser is an acronym for “Light Amplification by Stimulated Emission of Radiation.”1 Conventional methods of cavity preparation with low- and high-speed handpieces involve noise, uncomfortable vibrations, and stress for patients. Although pain may be reduced by local anaesthesia, fear of the needle and noise and vibration of mechanical preparation remain causes of discomfort.

These downsides have led people to seek new methods for removing the hard parts of teeth. Many tooth jobs use lasers now, as they are easy to use, work well, and are better than the conventional ways. Lasers have been employed in various therapies, from identifying minor caries to planning and treating even more severe lesions like cancers.2 Each different type of laser can be categorised in several ways: the type of laser used, the specific chromophore used to activate the laser’s effect, the tissue on which they can be used and the wavelength range of the laser (all lasers act within the infrared spectrum). Lasers use a set type of light wave and strength. The wave or wave length (λ) sets how deep it can go and how much it can soak in. This can change based on the kind of body part being worked on. By changing the level and strength, we can get a "made-for-you" fix based on what the person and their teeth health need. From a just hands-on view, the main kinds in the laser group can be split into three big sets: hard lasers (Nd: YAG, Er: YAG, ErCr: YSGG), air lasers (CO2 laser), and chip lasers (diode lasers). Laser uses are many: some work on both soft and hard body parts (Nd: YAG, Er: YAG, ErCr: YSGG), while some just work on soft parts (CO2 and diode lasers)5

Advantages of laser dentistry

Minimally invasive

Laser work on teeth is not as harsh as the old ways. For jobs like taking out bad spots, fixing gums, or nerve work, the laser is very exact. It lets tooth docs hit just the bad spot without harm to stuff close by. This means: Less blood, not much swelling, and quick healing times. For people getting soft part fixes, like shaping gums or cleaning deep gum spots, healing is way faster. This is because the laser can clean and close cuts as it goes.

Less pain and hurt

Laser treatments give less pain than the usual care methods. The elimination of anaesthesia needs, along with reduced treatment needs, helps create superior comfort for patients diagnosed with dental anxiety.6

Faster healing and recovery

The healing process accelerates because lasers create minimal tissue damage and lower the clients' infection. The blood vessel coagulation that occurs in laser procedures causes patients to have less postoperative swelling and lower discomfort levels, which results in quicker recovery.​7

Enhanced precision and control

Dental professionals use lasers to remove cavities while maintaining most original tooth structure because of their precise capabilities. Better dental health outcomes for the long term, combined with improved aesthetics, result from this precise approach.7

Reduced risk of infection

A treatment area receives high-energy beam sterilisation through the process, which destroys bacteria and eliminates postoperative infection threats. The clean method is key in root canal work because it makes sure the whole area of the root canal is germ-free.8

Many ways to treat

The big range of laser uses for teeth care includes many steps from the easy to the hard teeth work

  • Cavity preparation
  • Gum reshaping
  • Treatment of periodontal disease
  • Teeth whitening
  • Frenectomy procedures7,8

Disadvantages of laser dentistry

Not suitable for all treatments

The dental applications of lasers remain limited to specific procedures because they do not solve every treatment need. The treatment of extensive cavities and the removal of dental fillings, together with the preparation of some crown types, remains challenging when using laser technology.​10

Higher cost

Laser equipment pricing starts high, thus making treatment more expensive for patients. The expense of laser dental procedures increases because multiple health insurance plans restrict their coverage of this treatment method.​9

Limited availability

Few dental practices feature laser dentistry because these practices must invest heavily in equipment, which requires advanced training of their practitioners. The search for specialists may lead to inconvenient care access, as patient location affects their ability to obtain care.​6

Specialised training required

Special training stands as a mandatory requirement for dentists who want to effectively use laser technology. The outcome of laser procedures heavily rests on an experienced dentist's ability and technical expertise because patients require selecting qualified experts for their treatments.​

Safety precautions

Dental procedures using lasers require every patient and dental professional to use protective eyewear because intense light poses a risk to the eyes. The mandatory protection equipment produces challenges that could make treatment seem uncomfortable to patients.​

FAQ’s

What is laser dentistry?

The practice of laser dentistry makes use of light energy that focuses to perform dental procedures. Through laser technology, dental professionals can perform tissue incisions and tissue shaping as well as decay elimination and teeth whitening while avoiding invasive dental instruments.​

How does laser dentistry work?

The concentrated dental laser beam functions to process tissue by engaging with tissue matter during procedures. The laser energy is absorbed into designated tissue areas, leading to controlled procedures that preserve the health of adjacent tissues.​

 Is laser dentistry safe?

The practice of laser dentistry under trained practitioner care remains safe for patients. The practice of laser dentistry produces fewer bleeding incidents and minimises infection risks as well as reduces treatment duration when contrasted with traditional methods.​

Does laser dentistry hurt?

Most laser procedure interventions cause patients to experience minimal pain. Dental patients who experience anxiety can use laser procedures because anaesthesia is optional when performing the treatment.​

What different applications in dental procedures can be done by laser?

The laser technology demonstrates multi-functionality by enabling the treatment of various dental procedures.

  • Cavity preparation
  • Gum reshaping
  • Treatment of periodontal disease
  • Teeth whitening
  • Biopsies​

Which procedures cannot be performed by laser treatment?

The application of laser technology struggles to work for every dental medical operation. Lasers prove ineffective when used to treat teeth filled with specific materials or when they need to remove profound decay.​

Is laser dentistry more expensive?

The advanced nature of laser technology makes these procedures more financially expensive. A better patient experience, accompanied by a more accelerated recovery time, might make up for the extra expense for most patients.​

Which steps can assist me in deciding if laser dentistry serves my dental requirements?

You need to visit your dentist for an evaluation regarding which dental procedures laser treatments could benefit you most effectively. The professional examination will help them determine the proper treatment solution.

Summary

The field of today's dental care now uses lasers as a strong way to help. It gives many good things that make things better for people who see the dentist and the work done. Lasers cut very exactly, so they don't hurt nearby parts much. This cuts down on how much it hurts, how much one may bleed, and how fast one may heal. Lasers provide better comfort during dental treatments because their operation makes less noise than traditional drills, thus patients generally experience reduced anxiety. Lasers also clean up during dental work well, so they are a great tool for many types of treatments.

Laser dentistry has a lot of benefits, yet it possesses some specific operational constraints. Yet, some dental offices don't use lasers a lot because they cost a lot to buy, and you need special training to use them. The functionality of lasers extends to a limited range of dental procedures because they do not work effectively for the removal of fillings and treatment of extensive cavities. Every patient using and dental professional performing laser-based procedures must follow established safety guidelines, which include wearing protective eyewear.​

The main advantages of laser dentistry include enhanced surgical efficiency together with patient comfort, but patients should consult with trained dental experts to explore the correct treatment choices because of laser equipment expense and procedural constraints.​

References

  1. Dhayanidhi A, Mudiarasu N, Mathivanan A, Gopalkrishnan JR, Nagarajan SKK, Bharathan K. “Laser Dentistry”—The Need of the Hour: A Cross-sectional Study. Journal of Pharmacy & Bioallied Sciences [Internet]. 2020 Aug 1;12(Suppl 1):S295–8. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7595529/
  2. Husein A. Applications of lasers in dentistry: a review. Archives of orofacial sciences. 2006;1:1-4.
  3. Hedge MN, Garg P, Hedge ND. Lasers in dentistry: an unceasing evolution. J Otolaryngol Ent Res. 2018;10(6):422-26.
  4. Malcangi G, Patano A, Trilli I, Piras F, Ciocia AM, Inchingolo AD, et al. Therapeutic and Adverse Effects of Lasers in Dentistry: A Systematic Review. Photonics [Internet]. 2023 Jun 1;10(6):650. Available from: https://www.mdpi.com/2304-6732/10/6/650
  5. Tarullo A, Laino L, Tarullo A, Inchingolo F, Flace P, Inchingolo AM, et al. Use of a diode laser in an excisional biopsy of two spoonlike neoformations on the tongue tip. Acta bio-medica : Atenei Parmensis [Internet]. 2011 Apr;82(1):63–8. Available from: https://pubmed.ncbi.nlm.nih.gov/22069958/
  6. Pros and Cons of Laser Dentistry [Internet]. Laserdentistry.com. 2024 [cited 2025 Apr 16]. Available from: https://www.laserdentistry.com/blog/pros-and-cons-of-laser-dentistry
  7. Angstadt DE. The Advantages of Laser Dentistry | Angstadt Family Dental [Internet]. Angstadtfamilydental.com. 2024 [cited 2025 Apr 16]. Available from: https://angstadtfamilydental.com/news/general-news/laser-dentistry/advantages-laser-dentistry/
  8. 5 Advantages of Laser Dentistry for Faster, Safer Treatments [Internet]. Smilearizonadentistry.com. 2025. Available from: https://www.smilearizonadentistry.com/blog/advantages-of-laser-dentistry-for-faster-safer-treatments
  9. Laser Dentistry - Cornerstone [Internet]. Cornerstone. 2020 [cited 2025 Apr 20]. Available from: https://www.whatasmile.com/service/laser-dentistry/
  10. Admin. Pros And Cons Of Laser Dentistry Treatments [Internet]. Elgin. 2023 [cited 2025 Apr 20]. Available from: https://www.smilepointdentalcare.com/pros-and-cons-of-laser-dentistry-treatments/
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Akanksha Suryvanshi

Bachelor of Dental Surgery- BDS, Ahmedabad Dental, College and Hospital, India

Dr. Akanksha is a general dentist with over 1 year of experience children and adults to promote healthy dental habits. She is going to start her Master of Science in Clinical Epidemiology from Kent State University, Ohio, USA. She also has research experience. And currently also work as medical writer for Klarity to write medical articles for spreading awareness and also for providing health benefit knowledge to the community.

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