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King AbdulAziz University (KAU) Jeddah, Saudi Arabia
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Abstract Although CO2 laser irradiation can decrease enamel demineralization, it has still not be... more Abstract Although CO2 laser irradiation can decrease enamel demineralization, it has still not been clarified which laser wavelength and which irradiation conditions represent the optimum parameters for application as preventive treatment. One of the important applications of the laser is as a caries inhibition treatment of the sound dental tissues. This study aimed to assess the caries preventive potential of various CW CO2 laser parameters, and to explore the effect of laser power density, and the exposure time on the caries inhibition activity. Eighty one extracted human premolar teeth were irradiated with three output power: (1, 2, and 4) W, three spot diameter: (2, 2.83, and 4) mm, and three exposure times: (0.2, 0.4, and 0.8) sec of 10.6μm CW CO2 laser. Three teeth were used as a control group. All teeth were subjected to carieslike lesion formation by 3.5 pH lactic acid solution for 21 days. The teeth after that were sectioned into ground cross sections and the lesion depths ...
Abstract The objective of this study aimed to assess the caries-preventive potential of various C... more Abstract The objective of this study aimed to assess the caries-preventive potential of various CW CO2 laser parameters, and to explore the effect of the laser power density on the caries inhibition activity.Extracted human deciduous molars were irradiated with three various power densities, by changing the output power, the exposure time, and the spot diameter. The CO2 laser system emitted laser with 10.6µm in wavelength. All teeth were subjected to carieslike lesion formation by 3.5 pH lactic acid for 21 days. The teeth after that were sectioned into ground cross sections and the lesion depths were measured under a polarizing microscope.CW CO2 laser preventive treatments inhibited carieslike lesion progression up to 82%. This effect was improved with increasing power density within the limits of the examined laser parameters.
Abstract Mandibular third molars are appeared to be the most common congenitally impacted teeth t... more Abstract Mandibular third molars are appeared to be the most common congenitally impacted teeth the fact that may cause many problems in different fields of dentistry. surgical removal of the impacted tooth seems to be the only solution for these problems. An important complication to address is the risk of developing periodontal breakdown ( loss of attachment) and deep periodontal pocket on the distal aspect of the adjacent mandibular second molar after surgical removal of third molar. The aim of the present study is to evaluate and compare the effect of 4 suturing techniques: (Simple loop , Figure 8 suture, Anchor suture and Closed anchor suture) on the periodontal health status on the distal aspect of the adjacent mandibular second molar after surgical removal of lower impacted third molar.Forty patients having fully impacted mandibular third molars were enrolled in this study and divided to 4 groups (Group A: Simple loop , Group B: Figure 8 suture, Group C: Anchor suture and Gro...
Abstract The objective of this study aimed to assess the caries-preventive potential of various c... more Abstract The objective of this study aimed to assess the caries-preventive potential of various chopped CO2 laser parameters, and to explore the effect of the laser energy density and pulse duration on the caries inhibition of the irradiated deciduous enamel. Extracted human deciduous molars were irradiated with three various power densities, by changing the output energy density, number of pulses, pulse duration and the spot diameter. The CO2 laser system emitted laser with 10.6µm in wavelength. All teeth were subjected to carieslike lesion formation by 3.5 pH lactic acid for 21 days. The teeth after that were sectioned into ground cross sections and the lesion depths were measured under a polarizing microscope. Chopped CO2 laser preventive treatments inhibited carieslike lesion progression up to 76%. This effect was improved with shortest pulse duration and lowest energy density within the limits of the examined laser parameters. Keywords: Deciduous, Caries, Chopped, CO2, Laser
Abstract Although CO2 laser irradiation can decrease enamel demineralization, it has still not be... more Abstract Although CO2 laser irradiation can decrease enamel demineralization, it has still not been clarified which laser wavelength and which irradiation conditions represent the optimum parameters for application as preventive treatment. One of the important applications of the laser is as a caries inhibition treatment of the sound dental tissues. This study aimed to assess the caries preventive potential of various CW CO2 laser parameters, and to explore the effect of laser power density, and the exposure time on the caries inhibition activity. Eighty one extracted human premolar teeth were irradiated with three output power: (1, 2, and 4) W, three spot diameter: (2, 2.83, and 4) mm, and three exposure times: (0.2, 0.4, and 0.8) sec of 10.6μm CW CO2 laser. Three teeth were used as a control group. All teeth were subjected to carieslike lesion formation by 3.5 pH lactic acid solution for 21 days. The teeth after that were sectioned into ground cross sections and the lesion depths ...
Abstract The objective of this study aimed to assess the caries-preventive potential of various C... more Abstract The objective of this study aimed to assess the caries-preventive potential of various CW CO2 laser parameters, and to explore the effect of the laser power density on the caries inhibition activity.Extracted human deciduous molars were irradiated with three various power densities, by changing the output power, the exposure time, and the spot diameter. The CO2 laser system emitted laser with 10.6µm in wavelength. All teeth were subjected to carieslike lesion formation by 3.5 pH lactic acid for 21 days. The teeth after that were sectioned into ground cross sections and the lesion depths were measured under a polarizing microscope.CW CO2 laser preventive treatments inhibited carieslike lesion progression up to 82%. This effect was improved with increasing power density within the limits of the examined laser parameters.
Abstract Mandibular third molars are appeared to be the most common congenitally impacted teeth t... more Abstract Mandibular third molars are appeared to be the most common congenitally impacted teeth the fact that may cause many problems in different fields of dentistry. surgical removal of the impacted tooth seems to be the only solution for these problems. An important complication to address is the risk of developing periodontal breakdown ( loss of attachment) and deep periodontal pocket on the distal aspect of the adjacent mandibular second molar after surgical removal of third molar. The aim of the present study is to evaluate and compare the effect of 4 suturing techniques: (Simple loop , Figure 8 suture, Anchor suture and Closed anchor suture) on the periodontal health status on the distal aspect of the adjacent mandibular second molar after surgical removal of lower impacted third molar.Forty patients having fully impacted mandibular third molars were enrolled in this study and divided to 4 groups (Group A: Simple loop , Group B: Figure 8 suture, Group C: Anchor suture and Gro...
Abstract The objective of this study aimed to assess the caries-preventive potential of various c... more Abstract The objective of this study aimed to assess the caries-preventive potential of various chopped CO2 laser parameters, and to explore the effect of the laser energy density and pulse duration on the caries inhibition of the irradiated deciduous enamel. Extracted human deciduous molars were irradiated with three various power densities, by changing the output energy density, number of pulses, pulse duration and the spot diameter. The CO2 laser system emitted laser with 10.6µm in wavelength. All teeth were subjected to carieslike lesion formation by 3.5 pH lactic acid for 21 days. The teeth after that were sectioned into ground cross sections and the lesion depths were measured under a polarizing microscope. Chopped CO2 laser preventive treatments inhibited carieslike lesion progression up to 76%. This effect was improved with shortest pulse duration and lowest energy density within the limits of the examined laser parameters. Keywords: Deciduous, Caries, Chopped, CO2, Laser