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Background/Aims: Dental trauma resulting in tooth intrusion is a severe injury of permanent dentition, with a prevalence of 0.5%–1.9% among traumatic dental injuries. Currently, treatment guidelines for intruded permanent teeth depend on root development and the degree of intrusion. However, the categorization of tooth maturity as mature or immature simplifies a complex continuum of root development stages. This study aims to investigate the impact of various stages of root development on the success of spontaneous re‐eruption (SRE) of intruded teeth. Materials and Methods: This retrospective study analysed data from 80 children (125 teeth) aged 6–12 years who experienced dental intrusion between 2018 and 2022. Root maturation was classified based on Cvek's classification, eight were categorized as stage 1, 29 as stage 2, 44 as stage 3, 25 as stage 4, and 19 as stage 5. Intruded teeth with immature roots (Cvek's class 1–4) underwent SRE, while mature teeth (Cvek's class 5) were treated with SRE, orthodontic repositioning, or surgical repositioning based on the degree of intrusion. Primary outcome measures were successful re‐eruption and secondary outcomes included observed complications during follow‐up. Results: Regression analysis revealed that the patient's age, degree of root maturation, and degree of intrusion significantly affected spontaneous re‐eruption (p <.05). SRE was more successful in teeth with Cvek's stages 1 and 2 compared to stages 3 and 4. Complications were associated with the treatment method, degree of root immaturity, and degree of intrusion. Conclusion: The study demonstrates that as root maturation progresses, the likelihood of re‐eruption decreases, and the risk of pulp necrosis and infection increases. Therefore, teeth in later stages of immaturity (Cvek stage 4) should be repositioned orthodontically or surgically without waiting for spontaneous re‐eruption. [ABSTRACT FROM AUTHOR]

Ozone has been used over the years in medicine, but it is pretty new to be used in dentistry. It has been used for over a century as a disinfectant to purify the blood, and during World War I, used to treat gangrene, burn wounds, osteomyelitis, fistulas, and many other infections. The principal action of Ozone is its antimicrobial effect on bacteria, viruses, and fungi, besides its immunomodulatory, anti-hypoxic, biosynthetic, and anti-inflammatory properties. It can be used in various fields of dentistry, including caries and restorative, endodontic management of tooth, adjunct to dental surgery and wound healing. The benefits of Ozone in dentistry are relatively untouched in literature. So, the present article will update the recent clinical oral applications and summarize the various research findings regarding the use of Ozone in dentistry. [ABSTRACT FROM AUTHOR]