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    Effects of diode laser irradiation on dental pulps in rats
    (Comenius Univ, 2020) Guler, C.; Alan, H.; Demir, P.; Vardi, N.
    OBJECTIVES: To evaluate the effects of different power densities of diode laser on dental pulps in rats. BACKGROUND: In this study, we used the maxillary central incisors (n= 80) of the 40 adult male Wistar albino rats. METHODS: Rats were randomly divided into four groups according to power densities of diode laser (n= 10). Histopathological changes in pulp and height of odontoblast layer were examined. All data were compared statistically using Mann.Whitney U (Bonferroni) test, p< 0.05. RESULTS: G2 displayed slight histolopathologic alterations such as odontoblast cell disorganization and irregularities in cell extensions. Alterations were more prominent in the G3 than G2. Although the lowest odontoblast layer was measured in the G4, the difference in height of odontoblast layer among the groups was not found to be statistically significant. CONCLUSION: It was concluded that the use of diode laser caused changes at the cellular level in histological examination and may induce the formation of tertiary dentin by influencing the secretory activity of odontoblasts. As long as used in accordance with the recommended procedure, the diode laser can be safely used in dental hard tissues (Tab. 1, Fig. 4, Ref. 15). Text in PDF www.elis.sk.
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    Survival of avulsed permanent incisors in children following delayed replantation
    (Wolters Kluwer Medknow Publications, 2020) Demir, P.; Guler, C.; Kizilci, E.; Keskin, G.
    Background: Replantation of avulsed teeth is an invasive treatment approach where patient cooperation is required after the risks are explained to the patient or family. Although replantation of an avulsed permanent teeth is an accepted treatment approach, the long-term prognosis of the replanted teeth is still controversial. This report describes the survival of delayed replanted 15 incisors that was stored in unfavorable conditions after avulsion. Materials and Methods: Nine patients, aged 8-12 years, were referred to the Inonu University, Pediatric Dentistry Department with traumatically avulsed incisors. The parents were informed about the possible complications of a delayed replantation. Results: Forty percent of the teeth were splinted with flexible orthodontic wire and composite. The follow-up periods were varied from 24 to 48 months. The mean follow-up periods were 33.3 +/- 8 months. 40% of the teeth were retained in the mouth for at least 3 years and contributed to alveolar bone development. In these cases, the most common complication (9 teeth, 60%) was replacement root resorption. Two of the 15 teeth which had wide open apices, continued to the root development. Conclusion: In this study, replanted teeth were retained in the mouth for at least 2 years and contributed to the patient's development. Therefore, this study has shown that delayed replantation of an avulsed tooth for a child is still worthwhile, even in cases of poor prognosis where the tooth had extended extra-alveolar dry storage. We believe that delayed replantation should be done because of its importance for the child's jaw and facial development.