International Poster Journal of Dentistry and Oral Medicine



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Int Poster J Dent Oral Med 12 (2010), No. 4     15. Dec. 2010

Int Poster J Dent Oral Med 2010, Vol 12 No 4, Poster 507

Plasma Bleaching "Having a Whiter Future"

Language: English

Dr. Ravi Sood, Prof. Dr. Shashit Shetty B, Reader Dr. Manoj Hans, Reader Dr. B. Gurudutt Nayak,
B. R. Ambedkar University Agra, K. D. Dental College and Hospital, Chhatikara Mathura, Uttar Pradesh, India

May 27th-29th, 2010.
XI FODI & IES Post Graduate Convention

Poster Award
Best Poster Presentation

What is Plasma???

Plasma is a distinct phase of matter, separate from traditional solids, liquids and gases. It is a collection of charged particles that respond strongly to electromagnetic fields, taking the form of gas-like clouds and ion beams. Since the particles in plasma are electrically charged (generally by being stripped of electrons), it is frequently described as "Ionized Gas". Plasma was first identified (as "Radiant Matter") by Sir William Crookes in 1879. It was Irving Langmuir who assigned the term "Plasma".

Potential Complications of Bleaching with Hydrogen Peroxide + Heat

Fig. 1 and 2: External cervical resorption
Fig. 3: Tooth hypersensitivity Fig. 4: Enamel erosion

There are due to high temperature used during bleaching and increased concentration of H2O2, which can be avoided using the novel technique of Plasma Bleaching.

Fig. 5: Production of plasma Fig. 6: Mechanism of plasma action
Fig. 7 and 8: Chairside plasma device
Fig. 9: Appication of plasma jet (in vitro) Fig. 10: Before
Fig. 11 and 12: C: H2O2 + plasma (10 min.); D: H2O2 alone (10 min.)
Fig. 13: Ponceau staining (protein removal): H2O2 alone Fig. 14: Ponceau staining (protein removal): H2O2 + plasma

Advantages of Plasma Bleaching

  1. Lesser amount of heat production (around 38° C)
  2. Increased amount of OH ions (twice than with H2O2 alone), so better results
  3. Reduction in tooth surface proteins (measured by Ponceau Staining)

So, Plasma Bleaching is a more effective and saver method of tooth bleaching, making its way for the future.

This Poster was submitted by Dr. Ravi Sood.

Correspondence address:
Dr. Ravi Sood
K. D. Dental College and Hospital
B. R. Ambedkar University Agra, Department of conservative dentistry and endodontics
Room No.4
Delhi-Mathura Road, National Highway-2
P.O. Chhatikara Mathura – 281006
Uttar Pradesh, India