ArticleBrazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica2018
Efficacy of removal of cariogenic bacteria and carious dentin by ablation using different modes of Er:YAG lasers.
Article in Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 23 citations in OpenAlex.
- Antimicrobial and Morphological Effect of Er,Cr:YSGG Laser Irradiation on Primary Dentine Infected by Microorganisms Associated With Early Childhood Caries.Oral health & preventive dentistry · 2025Article
- Chemomechanical Caries Removal with Enzymatic Technology: A ComparativeInternational journal of clinical pediatric dentistry · 2025Article
- Micro-Morphological Features of the Er:YAG-Lased Interface in Primary Teeth: 12 Months Randomized Split-Mouth Trial.Journal of functional biomaterials · 2024Article
- Use of the Er:YAG Laser in Conservative Dentistry: Evaluation of the Microbial Population in Carious Lesions.Materials (Basel, Switzerland) · 2021Article
- Four-year clinical prospective follow-up of resin composite restoration after selective caries removal using Er:YAG laser.Clinical oral investigations · 2020Article
- Influence of Er:YAG laser pulse duration on the long-term stability of organic matrix and resin-dentin interface.Lasers in medical science · 2019Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The primary objective of this in vitro study was to evaluate the efficiency of removal of cariogenic bacteria and carious dentin by ablation using two lasers: fluorescence-feedback controlled (FFC) Er:YAG laser and different pulses of Er:YAG laser based on variable square pulse technology (VSPt). The secondary objective was to measure the temperature during laser ablation of carious tissue. Seventy-two extracted human molars were used in this study. Sixty teeth with carious dentin were randomly divided into four experimental groups according to the treatment for caries removal: group 1: 400 µs (FFC group); group 2: super short pulse (SSP group, 50 µs pulse); group 3: medium short pulse (MSP group, 100 µs pulse); group 4: short pulse (SP group, 300 µs pulse) and one positive control group with no treatment. Twelve teeth without carious lesion were used as a negative control group. After caries removal, swabs were taken with cotton pellets and real-time PCR analysis was performed. During caries ablation, a thermal infrared camera was used to measure the temperature changes. In all experimental groups, specimens were free of bacterial contamination after the treatment. In the SSP, MSP and SP groups, temperatures measured during caries ablation were significantly higher compared to temperatures in the FFC group (P<0.001). In this in vitro study, laser treatment for removal of carious dentin and cariogenic bacteria was an efficient treatment modality without causing excessive temperatures that might adversely affect pulp vitality.
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