EAPD ABSTRACTS Scientific Abstracts of the 13th Congress of the European Academy of Paediatric Dentistry (EAPD) 2nd to 5th June 2016 Sava Centar, Belgrade, Republic of Serbia European Archives of Paediatric Dentistry DOI 10.1007/s40368-016-0245-9 123 123 286 Eur Arch Paediatr Dent (2016) 17:285–366 President of the Congress Dr. Paddy Fleming Co-Presidents of the Congress Prof. Zoran Vulicevic Dr. Sc. Vesna Zivojinovic-Toumba Conference Committee of the EAPD Prof. Monty Duggal Dr. Rita Cauwels Dr. Elias Berdouses Dr. Teresa Leisebach Prof. Jack Toumba Prof. Zoran Vulicevic Dr. Sc. Vesna Zivojinovic-Toumba EAPD Congress Scientific Committee Dr. Rita Cauwels Prof. Monty Duggal Prof. Jack Toumba Dr. Sc. Vesna Zivojinovic-Toumba Prof. Mirjana Ivanovic Local Organising Committee Prof. Zoran Vulicevic, Co-Chairperson Dr. Sc. Vesna Zivojinovic-Toumba, Co-Chairperson Prof. Momir Carevic Assist. Prof. Jelena Mandic Assist. Prof. Ivana Radovic Assist. Prof. Zoran Mandinic Assist. Prof. Tamara Peric Dr. Jelena Juloski Dr. Milos Beloica 123 Eur Arch Paediatr Dent (2016) 17:285–366 287 malocclusion, with long-term effects on the growth and development ORAL PRESENTATIONS of the teeth. This widely requires an early intervention to achieve a normal occlusion that is morphologically stable and functionally and aesthetically acceptable. SESSION O1—ORTHODONTICS/GROWTH The bonded resin-composite slopes are an alternative option to & DEVELOPMENT/MISCELLANEOUS treat anterior dental crossbite. The main purpose of this inclined plane is to tip the affected maxillary tooth or teeth labially to a point where a stable overbite relationship prevents relapse. Case report(s) O1.2 Dental arch changes following loss of first primary A series of four children is presented with an anterior crossbite, in molars prior to natural exfoliation: a systematic review early mixed dentition, with class I molar and canine relationships and with sufficient mesio-distal distance to achieve labial movement of and meta-analysis the maxillary tooth. Follow-up E. G. Kaklamanos, D. Tsiantou*, A. Dermata, D. Lazaridou, All patients were followed up for at least 2 years. A. E. Athanasiou Conclusions The paediatric dentist has major importance to guide the devel- Department of Paediatric Dentistry, Aristotle University oping dentition to a state of normality in line with the stage of of Thessaloniki, Greece oro-facial growth and development. The bonded resin-composite slope is a simple and effective method for treating anterior dental Aim crossbite. To investigate dental arch changes following loss of first primary molars prior to natural exfoliation. Methods Search without restrictions for published and unpublished literature O1.4 The effect of oro-myofunctional therapy and hand searching took place. We reviewed randomised and non- on malocclusion in young children—a descriptive, randomised controlled trials, as well as prospective cohort studies. retrospective study We considered split-mouth design studies eligible for inclusion. We used the random effects method to combine results and assessed risk * K. M. Braamhaar , M. C. M. van Gemert-Schriks, P. Helderop, N. of bias using the Cochrane Collaboration recommendations. van der Kaaij, I. H. A. Aartman Results Initially 6283 references were identified and finally included data from 4 split-mouth trials comparing space in extraction and unaffected Department of Paediatric Dentistry, ACTA, The Netherlands contralateral quadrants. In the two studies on loss of a mandibular first primary molar, the measured space loss in the extraction side was Aim greater than the control side at 2, 4, 6 and 8-month follow-ups, To investigate the effect of oro-myofunctional therapy (OMFT) on amounting to 1.5 mm difference in the final examination (95 % Con- open bite and overjet in children. fidence Interval (95 % CI) 2.080–0.925; p = 0.000). In the other two Methods studies on maxillary first primary molar loss, the initial (at 6 months) Speech therapists who followed the basic OMFT-course in the greater space loss of 1.22 mm in the extraction side (95 % CI Netherlands, were invited to participate. A questionnaire com- 1.896–0.544; p = 0.000), diminished to 0.81 mm at the 12-month prising questions concerning the OMFT treatment of children examination (95 % CI 1.452–0.168; p = 0.013). Variable problems aged 5–14 years had to be completed. The speech therapist had to were identified with regards to individual study risk of bias assessment. provide information of the indication, chosen therapy and effect Conclusions of the treatment. This information had to be provided with pre- The amount of space lost observed after loss of first primary molars and post-treatment photographs. For this study, only the children prior to natural exfoliation could have treatment implications under with a diagnosed sagittal overbite (SOB) and/or vertical overbite certain circumstances. However, better study standardisation and (VOB) were included. reporting with long follow-ups are necessary. Results A total of 1100 speech therapists was contacted. At the time of writing this abstract only 34 cases could be included in the prelimi- nary statistical analysis*. In these children, 19 VOB’s and 23 SOB’s O1.3 Early management of anterior tooth crossbite were recorded. After OMFT, 14 of the VOB’s (73.7 %) and 13 of the with bonded resin-composite slopes: case series SOB’s (56.5 %) showed a considerable reduction. Conclusions * Though based on preliminary results, this study indicates the positive M. T. Xavier , A. D. Soares, J. L. Pereira, S. Rosa, A. L. Costa effect of OMFT on the reduction of malocclusion in children, espe- cially in cases of VOB. *NOTE: This abstract contains only Faculty of Medicine, University of Coimbra, Portugal preliminary results. Due to prohibitive circumstances there was a delay in data collection. The data are currently complemented and Background statistically analysed. Final results will be presented during the EAPD Anterior crossbite is one of the most common orthodontic problems congress. observed in children’s growth, in both skeletal and functional 123 288 Eur Arch Paediatr Dent (2016) 17:285–366 O1.5 Dental abnormalities in children after mandibular Results distraction There were no significant differences between isolation time and total cell counts (p = 0.33) and between isolation time and viable cells * (p = 0.18). However, there were significant differences between M. Korolenkova , N. Starikova molars and premolars related to the viability of cells and the total cell counts, the premolars showed significant higher viability (p = 0.001) Central Research Institute of Dentistry and Maxillofacial Surgery, and had higher total cell amounts after isolation (p = 0.002). Russian Federation Conclusions This study concluded that the procedure for isolation of the DPSCs Aim from extracted teeth should be completed in 24 h. Premolars are This was to assess the prevalence of dental abnormalities after better donors than third molars for DPSCs isolations. mandibular distraction (MD). Methods Seventy-five children aged 6–17 years (mean age 9.8 ± 4.1 years) that received MD at the age of 0–17 years (mean age at MD O1.7 Oral health condition and Candida albicans 6.1 ± 4.3) were included in the study. Indication for MD were hemi- carriage in children/adolescents with type 1 diabetes facial microsomia (n = 41), Goldenhar syndrome (n = 4), Robin mellitus: preliminary findings sequence (n = 10), Treacher Collins syndrome (n = 7) or acquired mandible underdevelopment (n = 13). Control groups consisted of 22 * children aged 5–14 years (7.0 ± 3.7 years) with mandible underde- A. Babatzia, S. Gizani , W. Papaioannou, C. Kanaka-Gantenbein, L. velopment of similar origin (hemi-facial microsomia (n = 15), Papagiannoulis Goldenhar syndrome (n = 2), Robin sequence (n = 4), Treacher Collins syndrome (n = 1)) with no history of MD. Department of Paediatric Dentistry, National and Kapodistrian Results University of Athens, Greece The most affected teeth were first permanent molars (their aplasia was observed in 6 cases, hypoplasia—in 11 cases) and second permanent Aim molars (aplasia in 3 cases and severe tooth germ dystopia in 10 To determine the oral health condition and Candida albicans carriage children). There were also some cases of first and second premolar of children and adolescents with type 1 diabetes (T1D) (those who are aplasia (n = 11 and 1, correspondingly). In the control group only good controlled (GC) versus those with poor glycaemic control one child had oligodontia of evidently genetic origin. Juvenile (PGC)) and to compare them with the healthy control group (HCG). paradental cysts (JPCs) were revealed radiologically in 19 first molars Methods after MD at the time of eruption and resolved spontaneously in 16 One hundred and five children and adolescents from the Aghia Sophia children. Three cases had clinical manifestations treated by lesion Children’s hospital (aged 6–15 years) were allocated to three groups: curettage only. (a) 32 GC (HbA1c \ 7.5 %), (b) 30 PGC (HbA1c [ 7.5 %) and (c) 43 Conclusions healthy (HCG). Plaque index (PlI) (Silness & Loe 1964), gingival index Case–control study results proved MD to be the risk factor for dental (GI) (Silness and Loe 1964), and DMFS index were used. Candida abnormalities especially for teeth localised at osteotomy sites. JPCs, albicans carriage was determined by RealTime PCR in saliva samples. being the most often radiological MD finding, which resolved spon- The examinations were performed by two calibrated examiners taneously in the majority of patients. In refractory JPCs cases lesion (kappa [ 0.8). Differences in clinical parameters and microbial levels curettage without endodontic treatment was an adequate approach. among groups were tested by ANOVA (p \ 0.05). Results Differences in the PlI levels among the three groups were significant (ANOVA p = 0.034) with PGC individuals having the highest scores O1.6 Evaluation of the importance of storage time (mean:0.77, SD:0.52). No significant differences were found in and tooth type for dental pulp stem cell isolation DMFS between groups (GGC: 2.13, GC: 1.1 and HCG: 1.12).