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The aim of this in-vivo study was to evaluate/compare the clinical periodontal parameters in patients with true combined endo-perio lesions (EPL), treated with gutta-percha (GP) and mineral trioxide (MTA) as an obturation material alone and with addition of bone grafting in such lesions. 120 Saudi patients (mean age = 41yrs) diagnosed with true combined EPL participated in this study. Group I (control group, n = 30) was treated with conventional endodontic treatment using GP for obturation. Group II (n = 30) was treated with conventional endodontic treatment using MTA for obturation. Group III (n = 30) was treated with conventional endodontic treatment using GP for obturation + grafting procedure to fill the bony defect. Group IV (n = 30) was treated with conventional endodontic treatment using MTA for obturation + grafting procedure to fill the bony defect. Clinical parameters (Pocket depth (PD); Clinical attachment loss (CAL); keratinized tissue width (KTW); gingival phenotype (G.Ph.) and Cone Beam Computed Tomography Periapical Index (CBCTPAI)) were recorded and compared at baseline, 3, 6, 12 months’ interval. For the groups III and IV, CBCTPAI showed significant difference (p < 0.0001) with the other groups at 6 months and 1-year interval. The group with MTA + bone graft showed 76% and 90% patients with 0 score at 6 months and 1-year follow-up, respectively. Comparison of mean values of PD among study groups at 3 months, 6 months and 1 year showed significant difference at 3 months, whereas the mean PD values of subjects in GP + bone graft showed significantly higher PD values than other 3 groups (p = 0.025). Use of GP and MTA for root canal obturation along with periodontal therapy and bone augmentation helps in resolving complex endo-perio lesions. Bone grafting in addition to obturation with MTA was found to be the best treatment strategy in management of EPL cases and is recommended for clinicians who are treating EPL patients.

Background The radicular groove (RG) is one of the developmental anomalies that is commonly found in maxillary incisors. The formation of radicular groove is initiated around the cingulum and can reach the root at different levels. The incidence of radicular grooves was reported in different countries but there was no published data about the incidence of RG in Saudi Arabia. Therefore, this study aimed to evaluate the incidence of radicular grooves on maxillary lateral incisors in the Saudi population using cone-beam computed tomography (CBCT). Methods The dental records of 490 patients (N = 490) with CBCT images of maxillary anterior teeth were screened for inclusion criteria. Then 264 included cases were evaluated independently by two Endodontists. The evaluation was performed on CBCT images in the axial, sagittal, and coronal sections using Planmeca Romexis® software. The following data were recorded for each patient: Patients’ age and gender, radicular groove presence or absence, and if it is bilateral or unilateral. The type of radicular groove was recorded according to Gu’s classification (type I, II, or III). Results The incidence rate of radicular grooves in maxillary lateral incisors was 4.9%. RG was found to be unilateral in 61.5% and bilateral in 38.5%. The majority of RG were classified as type I in 69.2%, followed by type II in 15.4%, and type III was found in 15.4%. Conclusion 4.9% of the Saudi population has RG in the upper lateral incisor. This anatomical variation is mostly present as type I on one side only (unilateral).

Objective The study aims at investigating the treatment patterns for young permanent posterior teeth with pulp involvement. Materials and Methods A random sample of 1793 dental records of patients aged 6–18 years old who had received dental treatment was investigated. 663 permanent posterior treated teeth had pulp involvement. Demographic and treatment data were gathered from patients' records. Results Prevalence of young permanent teeth with pulp involvement was 36.9%. Treatments received significantly increased as patients' age increased (P=0.001). The first mandibular molar had the most pulp involvement among all teeth (43.89%). Temporary restoration was the most received restoration (59%). The most common pulpal diagnosis, leading to treatment, was irreversible pulpitis (43.04%). Only 19.8% of treated teeth received completed root canal treatment. Conclusion There is a high percentage of children and adolescents with immature permanent posterior teeth with pulp involvement. Similarly, a variety of treatment patterns is present, with a small percentage of completed root canal treatment. Clinical Relevance The study has identified the need to provide guidelines to provide high-quality root canal treatments for young permanent posterior teeth that have pulpal involvement. Only 21.8% of root canal treatments were completed, while 24% of teeth were extracted, and 59% of patients received temporary restorative treatments. This suggests that there might be several factors that might prevent completion of the dental treatment, such as patient preference, insurance coverage, or dentist capability. These factors and guidelines for patient care should be investigated and resolved.