Fracture Resistance and Initial Penetration Time of a Novel Zirconia Crown Design for Simplifying Future Endodontic Treatment: An In Vitro Study.

: This study aimed to investigate the fracture strength of a novel-designed Zirconia crown before and after access opening, and to evaluate the mode of fracture and the time needed for initial penetration through the crown. : This study involved the design and testing of 60 zirconia crowns, divided into three groups (20 crowns each) to compare different structural designs. Group 1 (Control) used a conventional full zirconia crown.

Development of Artificial Intelligence Models for Tooth Numbering and Detection: A Systematic Review.

Dental radiography is widely used in dental practices and offers a valuable resource for the development of AI technology. Consequently, many researchers have been drawn to explore its application in different areas. The current systematic review was undertaken to critically appraise developments and performance of artificial intelligence (AI) models designed for tooth numbering and detection using dento-maxillofacial radiographic images.

Evaluation of Mental Foramen and Mandibular Canal Course and Location in an Emirati Subpopulation.

Introduction And Aims: Violations of the mandibular canal (MC) and mental foramen (MF) and subsequent injuries to their neurovascular bundle have been reported after surgical and nonsurgical dental procedures. Besides using advanced technologies such as cone-beam computed tomography (CBCT), clinicians should be aware of the anatomy and location of MC and MF in different populations. This study aims to describe the morphologic characteristics of the MF, MC, and its intrabony location in relation to the apices of mandibular posterior teeth in an Emirati subpopulation using CBCT.

The Potential Association Between Inflammatory Bowel Diseases and Apical Periodontitis: A Systematic Review and Meta-Analysis.

Recent literature has suggested a potential association between inflammatory bowel diseases (IBD) and apical periodontitis (AP). The present systematic review and meta-analysis sought to analyse and appraise the available evidence regarding the reported association. Following 2020 PRISMA guidelines, a comprehensive search of multiple online databases (PubMed, Scopus, Web of Science, and Google Scholar) was conducted for all relevant studies published from the date of inception until 27 April 2023 using various relevant keywords.

Comparative Evaluation of Extrusion of Apical Debris in Primary Maxillary Anterior Teeth Using Two Different Rotary Systems and Hand Files: An In Vitro Study.

Successful outcome of pulp therapy depends on good chemomechanical preparation of the canals. This is completed with the help of various upcoming rotary and hand files. However, during this preparation, there might be an apical extrusion of the debris which may result in postoperative complications.

Evaluation of Root Canal Morphology of Maxillary Second Premolars and Its Relation to Maxillary Sinus in a Saudi Arabian Population.

Aim: This study aimed to evaluate the root canal anatomy of maxillary second premolars, and its relation to the maxillary sinus in a Saudi Arabian population using cone-beam computed tomography.

Materials And Methods: Records of 301 patients (602 Teeth) were obtained from a Cone-beam Computed Tomography Database of the College of Dentistry, Jazan University from February 2020 to January 2022. The number of roots, root canals, and the relationship between the root apices of maxillary second premolars and the floor of the maxillary sinuses were studied.

Anatomical Evaluation of Root and Root Canal Configuration of Permanent Maxillary Dentition in the Population of the Kingdom of Saudi Arabia.

Aim: This study is aimed at combining the sample sizes of all studies on permanent maxillary teeth conducted in different regions of the Kingdom of Saudi Arabia (KSA) to obtain a large sample size that represents the population of the KSA. The outcome of these combined studies is compared with international studies in terms of the number of roots, number of canals, and canal configurations on the basis of Vertucci's classification. .

Structural Features of the Mental Foramen in a Saudi Subpopulation: A Retrospective CBCT Study.

Introduction: Accurate and precise knowledge about the position, size, and shape of the mental foramen (MF) are critical in avoiding procedural complications. The MF's anatomical features vary among different ethnic groups, and various radiographic techniques have been used to determine these variations.

Aims: To evaluate the MF's shape, vertical and horizontal positions, and distance from the border of the mandible.

Common Temporization Techniques Practiced in Saudi Arabia and Stability of Temporary Restoration.

Introduction: Coronal leakage is detrimental to the long-term success of root canal treatment (RCT). While much emphasis is being placed on the quality of the final restoration, little attention is given to the temporary restoration placed in between root canal treatment appointments. The aim of this study was to survey temporization techniques practiced in Saudi Arabia and the frequency of observing temporary material breakdown or complete loss.

Study of optimal conditions for growth and osteogenic differentiation of dental pulp stem cells based on glucose and serum content.

Dental pulp stem cells (DPSCs) have shown promising characteristics in terms of their proliferation and osteogenic differentiation potential, which could be of greater benefit in regenerative dentistry. However, obstacles remain in the in vitro cultivation of DPSCs, which significantly affect their growth and differentiating ability. Therefore in this study, we demonstrated the growth and osteogenic differentiation of DPSCs in the presence of media containing different combinations of serum and glucose to get an optimized combination of both.

Analysis of Bilateral Symmetry of Root Canal Anatomy in Permanent Dentition: An CBCT Study in a Saudi Arabian Population.

Aim And Objective: To evaluate the internal symmetry of roots and root canals of permanent maxillary and mandibular teeth. This study used cone-beam computed tomography (CBCT) to examine the bilateral symmetry of root canals, their configuration, and the number of roots in a Saudi Arabian population.

Materials And Methods: CBCT images of 5,223 teeth from records of 208 patients (age of 28.

Ultrasound Imaging versus Radiographs in Differentiating Periapical Lesions: A Systematic Review.

Background: Ultrasonography is a non-invasive method of diagnosing periapical lesions while radiologic methods are more common. Periapical lesions due to endodontic infection are one of the most common causes of periapical radiolucency that need to be distinguished to help determine the course of treatment. This review aimed to examine the accuracy of ultrasound and compare it to radiographs in distinguishing these lesions in vivo.

Ethnical Anatomical Differences in Mandibular First Permanent Molars between Indian and Saudi Arabian Subpopulations: A Retrospective Cross-sectional Study.

Aim And Objective: The variation in the anatomy of the root canal system has anthropological and demographic significances. The aim of this study was to compare the number of roots, root canals, and internal canal morphology of permanent mandibular first molars between Indian and Saudi Arabian populations.

Materials And Methods: A total of 523 (255 teeth of Indian sample and 268 teeth of Saudi Arabian sample) mandibular first molar (M1) were included for comparative analysis using cone-beam computed tomography images based on the inclusion criteria.

Complete Obturation-Cold Lateral Condensation vs. Thermoplastic Techniques: A Systematic Review of Micro-CT Studies.

Unlabelled: To prevent re-infection and provide a hermetic seal of the root canal system, an endodontist must aim to produce a void-free obturation. This review aimed to compare the completeness of root canal obturation between the two most prevalent methods-cold lateral condensation and warm gutta-percha techniques-using micro-CT (PROSPERO reg no. 249815).

Prevalence of Missed Canals and Their Association with Apical Periodontitis in Posterior Endodontically Treated Teeth: A CBCT Study.

Background: This study aimed to assess the prevalence of missed canals in endodontically treated teeth and their association with apical periodontitis in a Saudi Arabian population using CBCT.

Materials And Methods: A total of 208 CBCT radiographs were investigated. For each tooth, radiographs of axial, coronal, and sagittal segments were acquired to appraise the external as well as the internal structure of the root canal system and apical area.

Anatomical Evaluation of Maxillary Premolars in a Saudi Population: An Cone-beam Computed Tomography Study.

Aim And Objectives: Evaluation of the root canal morphology of maxillary premolars was the primary objective of this study, on the criteria of the roots present, canals detected in the roots, and anatomical canal patterns according to Vertucci's classification observed in the Saudi population using cone-beam computed tomography (CBCT) radiographic analysis comparing them to previous reports in the same population.

Materials And Methods: A total of 710 maxillary 1st and 2nd premolars were considered in this research; of which 351 were 1st premolars and 359 were 2nd premolars. These premolars were investigated for their external and internal anatomy using CBCT.

Effect of Ascorbic Acid on Differentiation, Secretome and Stemness of Stem Cells from Human Exfoliated Deciduous Tooth (SHEDs).

Stem cells from human exfoliated deciduous teeth (SHEDs) are considered a type of mesenchymal stem cells (MSCs) because of their unique origin from the neural crest. SHEDs can self-renewal and multi-lineage differentiation with the ability to differentiate into odontoblasts, osteoblast, chondrocytes, neuronal cells, hepatocytes, adipocytes, etc. They are emerging as an ideal source of MSCs because of their easy availability and extraordinary cell number.

Taurine Augments Telomerase Activity and Promotes Chondrogenesis in Dental Pulp Stem Cells.

Background: Stem cell therapy has become an advanced and state-of-the-art procedure to regenerate lost tissues of the human body. Cartilage repair is a challenging task in which stem cells find potential application. One of the important biologic modifiers that can cause chondrogenic differentiation of stem cells is taurine.

Viability of Quercetin-Induced Dental Pulp Stem Cells in Forming Living Cellular Constructs for Soft Tissue Augmentation.

Autogenous gingival grafts used for root coverage or gingival augmentation procedures often result in donor site morbidity. Living cellular constructs as an exogenous alternative have been proven to be associated with lower morbidity. With the available background information, the present study aims to assess if quercetin-induced living cell constructs, derived from dental pulp stem cells, have the potential to be applied as a tool for soft tissue augmentation.

Third molar impaction in the Jazan Region: Evaluation of the prevalence and clinical presentation.

Objective: To provide information on the prevalence and clinical features of impacted third molar teeth in the South-Western region of Saudi Arabia.

Material And Methods: In this cross-sectional study, 1200 panoramic radiographs (50% males and 50% females) were retrieved from the electronic clinical records of patients at the College of Dentistry, Jazan University from December 2014 to December 2016, and impacted third molars were evaluated. Data on clinical and radiographic presentation were analyzed.

Parathyroid Hormone Secretion and Receptor Expression Determine the Age-Related Degree of Osteogenic Differentiation in Dental Pulp Stem Cells.

Objective: To demonstrate the levels of parathyroid hormone secretion and genetic expressions of parathyroid hormone (PTH) and PTH1 receptor (PTH1R) genes in the dental pulp stem cells (DPSCs) from different age groups before and after induction of osteogenic differentiation. In addition, we also wanted to check their correlation with the degree of osteogenic differentiation.

Methods: Human primary DPSCs from three age groups (milk tooth (SHEDs), 7-12 years old; young DPSCs (yDPSCs), 20-40 years old; old DPSCs (oDPSCs), 60+ years old) were characterized for mesenchymal stem cell (MSC) markers.

Anatomical Evaluation of Mandibular Molars in a Saudi Population: An In Vivo Cone-Beam Computed Tomography Study.

Objective: This study assessed the canal configuration of mandibular molars according to Vertucci's classification of a Saudi population using cone-beam computed tomography (CBCT).

Methods: A total of 290 first and 367 second mandibular molars were analyzed. The CBCT images were evaluated in three sections to inspect the number of roots and canals and canal system.

Modulation of the Dental Pulp Stem Cell Secretory Profile by Hypoxia Induction Using Cobalt Chloride.

The action of stem cells is mediated by their paracrine secretions which comprise the secretory profile. Various approaches can be used to modify the secretory profile of stem cells. Creating a hypoxic environment is one method.

Antimicrobial Efficacy of Silver Nanoparticles as Root Canal Irrigant's: A Systematic Review.

Removal of microbes is imperative during endodontic therapy. Due to their antimicrobial property, silver nanoparticles have been used for endodontic irrigation of the root canals. The objective of the present study was to provide a qualitative analysis of the published literature assessing silver nanoparticles as root canal irrigants.