The effect of low level laser therapy on pain during dental tooth-cavity preparation in children
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AIM: To evaluate the effect of low level laser therapy on pain during cavity preparation with laser in paediatric dental patients. STUDY DESIGN AND METHODS: The study was carried out on 10 children aged 6 to 9 years old for a total of 20 primary molar teeth. For laser preparation an Er: YAG laser was used. Half of the preparations were treated by low level laser therapy (LLLT) before laser preparation and the remaining half without LLLT (non-LLLT) before laser preparation. All cavities were prepared by ER:YAG laser, restored with light-cured composite resin following the application of acid etching and bonding agent. Children were instructed to rate their pain on the visual analogue scale (VAS) from 0 to 5 points. Statistical analyses were performed using Mann Whitney U test. REsulTs: VAS Median (min–max) scores were 1(0–2) for LLLT and 3(1–4) for the non-LLT treated children. Between LLLT and non-LLLT groups results were statistically significant (p<0.01). CONCLUSIONS: The use of LLLT before cavity preparation with laser decreased pain in paediatric dental patients.
Key wordsLow level laser therapy pain children
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- Moritz A, Beer F, Goharkhay K, Schoop U, Strassl M, Verheyen P, Walsh LJ, Wernisch J, Wintner E. (2006). Oral Laser Application. Quintessence Publishing Co. Inc. Berlin, Germany.Google Scholar