The studied treatment protocol appears ideal for successful results and minimum treatment time. Space creation followed by surgical removal of any obstruction together with orthodontic traction initiation produces excellent results, while waiting for spontaneous eruption is indicated only in cases of favourable patient's age and tooth location. Treatment initiation with operation in the absence of the required eruption space is not recommended, whereas in unfavourable cases obstruction removal without simultaneous orthodontic traction increases dramatically the total treatment time and requires an unnecessary second operation for traction.

Successful dental management of SMMCI patients is possible, following a detailed long-lasting treatment plan requiring multidisciplinary paediatric dental, orthodontic and prosthetic approach.

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LJSGH is a recently introduced entity that is worth attention in the clinical pediatric dentistry. Clinical and histological examination is required for the final diagnosis, while immunohistochemistry has shed light to LJSGH pathogenesis.

This simple method for infraoccluded primary molars crown building up to occlusion using conventional instruments and materials, appears to be a valuable clinical tool for paediatric dentists who frequently find themselves dealing with primary teeth that need to be retained and which can produce serious clinical problems if left untreated.

The impact of Kids Save Lives program on Knowledge, skills and attitude of students. Preliminary results from 2 years of implementation Background Sudden cardiac death is one of the main issues worldwide, with more than 700.000 deaths annually. It is strongly believed that the implementation of “Kids Save Lives” project in schools can change this situation. The World Health Organization endorsed the “Kids Save Lives” project in 2015 in order to reduce mortality, while in countries, where children were taught cardiopulmonary resuscitation (CPR) in schools, have higher rates of bystander CPR and higher survival rates. In a lot of countries this project is a suggestion from Ministry of Education to schools. Purpose To evaluate the level of theoretical knowledge, willingness to perform Cardiopulmonary resuscitation (CPR) and active skills of Greek secondary school students on the subject of Basic life Support before and after a “Kids Save Lives” program. Material – Method: Data collection took place on the academic periods of 2017–2018 and 2018–2019 and was performed in secondary schools. A total of 3421 students (51,9% female, mean age 14.2 years) participated on the “Kids save Lives” program according to the European Resuscitation Council (ERC) and World Health Organization (WHO) statement. A 12-question questionnaire was answered by the students before and after the “kid saves lives” program, while practical skills were evaluated on manikins by experienced ERC Basic Life Support (BLS) Instructors. Results The training improves significantly the theoretical knowledge regarding Cardiopulmonary resuscitation (CPR), with the percentage of correct answers being 49.5% and 82,41%,before and after the course respectively (p<0.001). The participants willingness to perform bystander CPR significantly increased after the completion of the course (93,1% before to 97,3% after, p<0.001). Almost all of the participants (98.9%) could recognize the correct position near the victim and 91% performed chin lift maneuver and recognized cardiac arrest. More than 90% of the students performed chest compressions with the correct rate and placing their hands on the center of the chest (90,1% and 93.4%, respectively), whereas only 76.4% of the participants achieved the desired compression depth of 5 to 6 cm. Conclusions The overall results strongly depict the benefits of “Kids Save Lives” program by improving the theoretical knowledge, the practical skills and the attitude of students towards CPR and indicate the necessity of implementation in a greater scale nationwide. Funding Acknowledgement Type of funding source: None

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