PPT-Pulpal Irritants and Dentin-Pulp Reactions

Presented by Dr Reza Hatam Dental pulp as a connective tissue How respond to irritants What makes it prone to degeneration Unique environment of dental pulp Unyielding walls of dentin. Dr. Rhythm. 1. INTRODUCTION. Vital pulp therapy is broadly defined as treatment initiated to preserve and maintain pulp tissue in a healthy state, tissue that has been compromised by caries, trauma, or restorative procedures. . Delivered by:. Dr. Rajeev Kumar Singh. Direct Pulp Capping. I. ndications. Small pinpoint mechanical exposure of < 1 mm diameter. Recent traumatic (<24 h. ) pulp exposure. contra-Indications. Spontaneous . Dentin. – . Composition. , . Formation. , . and. . Structures. Dentinogenesis. O. rigin of the dentin. Dentin is formed by cells called odontoblasts that defferentiated from ectomesenchymal cells of the dental papilla following an organizing influence that emanents from the inner dental epithelium.. Delivered by:. Dr. Rajeev Kumar Singh. Direct Pulp Capping. I. ndications. Small pinpoint mechanical exposure of < 1 mm diameter. Recent traumatic (<24 h. ) pulp exposure. contra-Indications. Spontaneous . Assessment of . vitality using routine methods rely on the stimulation of . Aδ. nerve fibers and there is no direct indication of the blood flow. Three methods are used to stimulate the . Aδ. nerve fibers Thermal stimulation Electrical stimulation Direct dentin stimulation. . nerves. Nerve fibers were shown to accompany 30 to 70% of the . odontoblastic. process and these are referred to as . intratubular. nerves(within). Dentinal tubules contain numerous nerve endings in the pre- dentin and inner dentin Most of these small . 1. INTRODUCTION. Vital pulp therapy is broadly defined as treatment initiated to preserve and maintain pulp tissue in a healthy state, tissue that has been compromised by caries, trauma, or restorative procedures. . contents. . TERMINOLOGY . FEATURES OF THE PULP CHAMBERS AND PULP CANALS . DETAILS OF PULP CHAMBERS AND CANALS USING SECTIONED TOOTH SPECIMENS. . RADIOGRAPHIC VISUALIZATION OF PULP CHAMBERS AND CANALS . and . periapical. lesions. Radiographic Changes due to . Resorption.  . Two types of . resorption. are associated with teeth: physiologic and pathologic.. Physiologic . resorption. is a process that is seen with the normal shedding of primary teeth. The roots of a primary tooth are resorbed as the permanent successor moves in an . for Tri-County SMILES. Bill Maas. April 2, 2020. Supplemented with slides from . Jeremy Horst, Elevate Oral Care Webinar, March 26, 2020. “The actual depth of penetration of a carious lesion is greater than it appears on the radiograph.”. odontoblasts. have differentiated and begin collagen production. . Dentinogenesis. factors like TGF, IGF and BMP which are present in the inner enamel epithelium, are released and these are taken up by the . vascularized. and innervated connective tissue of . mesodermal. origin enclosed by dentin with communications to the periodontal ligament.. Dental . Pulp. ANATOMY. General features. The pulp is housed in the pulp chamber of the crown and in the root canal of the root. The pulp present in the crown is called . Assistant Professor,. Conservative Dentistry & Endodontics,. Dr. Z. A. Dental College, A. M. U. Aligarh. Fundamentals Of Tooth Preparation. Definition. Mechanical alteration of a . defective, injured, or diseased. vascularized. and innervated connective tissue of . mesodermal. origin enclosed by dentin with communications to the periodontal ligament.. ANATOMY. General features. The pulp is housed in the pulp chamber of the crown and in the root canal of the root. The pulp present in the crown is called .