prosthodontic implications of maxillary nerve
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The maxillary nerve divides into several branches that innervate different areas of the palate and maxilla. These branches include the greater palatine nerve, which innervates the hard palate, and the nasopalatine nerve, which descends through the incisive canal and supplies the premaxilla. In prosthodontic treatment, failure to properly relieve the incisive canal during impressions can cause nerve impingement and tingling or necrosis. The posterior, middle, and anterior superior alveolar nerves innervate the maxillary teeth and mucosa; preparation of subgingival finish lines during fixed prosthodontics can potentially cause pain or discomfort due to nerve exposure or impingement.
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The document discusses the facial nerve (CN VII), including its nuclei of origin, functional components, course through the skull, branches and distribution. It provides motor innervation to the muscles of facial expression and special sensory innervation for taste. Within the facial canal it gives off the chorda tympani, nerve to stapedius and greater petrosal nerve. Its five terminal branches innervate muscles of the face and scalp.
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The document discusses the nerve supply and anesthesia techniques for the maxillary arch. It begins by describing the trigeminal nerve and its three main divisions - the ophthalmic, maxillary, and mandibular nerves. It then focuses on the maxillary nerve and its branches that innervate structures in the maxillary arch, including the different teeth. Finally, it outlines several common local anesthesia techniques for the maxillary arch, such as the anterior superior alveolar nerve block and posterior superior alveolar nerve block. Comprehensive understanding of the nerve anatomy and local anesthesia techniques is important for managing pain and performing procedures in the oral cavity.
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This document discusses the design of removable partial dentures. It covers terminology, basic principles of construction, biomechanics and design considerations like the possible movements of partial dentures. Factors that influence stress transmission to abutment teeth are discussed. The differences in prosthesis support based on whether it is tooth-supported or tooth-tissue supported are also covered. Design philosophies and procedures are outlined.
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This document discusses the All on Four and All on Six dental implant concepts. It provides background on conventional rehabilitation approaches and challenges with atrophic jaws. Tilted implants are introduced as an alternative that places implants at an angle to bypass anatomical structures and increase prosthetic support. The All on Four concept involves placing four implants total, two in the front and two in the back at an angle, to support a fixed full-arch dental prosthesis. Advantages include avoiding complex surgery, providing immediate function, and reducing costs compared to other approaches. Treatment planning considerations and protocols for the surgical and prosthetic phases are outlined.
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This document provides an overview of the process for diagnosing and treatment planning for removable partial dentures. It discusses the importance of the patient interview and clinical examination to understand needs and desires. The diagnostic process involves a thorough medical and dental history, intraoral and extraoral examination, diagnostic casts, and analysis of occlusion. The Prosthodontic Diagnostic Index (PDI) is introduced as a classification system to assess location and extent of edentulous areas, abutment conditions, occlusion, and residual ridge characteristics to aid in treatment planning. Key steps in the process include relief of pain, oral prophylaxis, radiographs, occlusal analysis on diagnostic casts, and fabricating a treatment plan that addresses both patient desires
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This document discusses the neutral zone in complete dentures. It defines the neutral zone as the area in the mouth where forces from the tongue pressing outward are balanced by forces from the cheeks and lips pressing inward. It describes the muscles involved and how their forces influence tooth position and denture stability. It also discusses how the edentulous mouth changes over time, increasing the importance of properly recording the neutral zone for complete denture fabrication.
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Management of abused tissue involves addressing factors that cause tissue damage from dental prostheses. Tissue abuse can result from ill-fitting dentures, continuous wearing, and traumatic injuries. Associated conditions include epulis fissuratum from overextended denture flanges, traumatic ulcers from minor trauma, and inflamed flabby ridges from chronic irritation. Management focuses on removing the irritant, improving denture fit, and surgically excising hyperplastic tissue when needed. Denture stomatitis, inflammation under dentures, is treated with antifungal medications and improved denture hygiene.
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prosthodontic implications of maxillary nerve
- 1. PROSTHODONTIC IMPLICATIONS OF MAXILLARY NERVE DR PAAVANA DEPARTMENT OF PROSTHODONTICS
- 2. INTRODUCTION • Second and intermediate branch of trigeminal nerve which is completely sensory.
- 3. IN THE PTERYGOPALATINE FOSSA SPHENOPALATINE/PTERYGOPALATINE GANGLION • PALATINE BRANCHES 1. ANTERIOR/GREATER PALATINE • Sensory to the mucosa of the hard palate & palatal gingiva. 2. MIDDLE PALATINE • Sensory to the mucous membrane of the soft palate.
- 4. 3.POSTERIOR PALATINE • sensory & secretomotor to the mucous membrane of the Tonsillar area. PROSTHODONTIC IMPLICATION • Thermal perception may be hindered in case of complete palatal coverage prosthesis designs
- 5. • NASAL BRANCHES NASOPALATINE/SPHENOPALATI NE • Descends into the incisal canal to appear in the anterior part of the hard palate & supplies the mucous membrane of the premaxilla. • In resorbed ridges, improper relief of the incisal canal during impression making leads to nerve impingement leading to tingling sensation or even necrosis of the area.
- 6. POSTERIOR SUPERIOR ALVEOLAR • Divides into 3 branches which emerge through the pterygomaxillary fissure. • 2 branches enter the posterior wall of the maxilla above the tuberosity& supply the 3 molar teeth(except the mesiobuccal root of first molar). The third branch pierces the buccinator & supplies the adjoining part of the gingiva & cheek along the buccal side of the upper molar teeth.
- 7. IN THE INFRAORBITAL CANAL • MIDDLE SUPERIOR ALVEOLAR Its branches supply the maxillary premolars and mesio buccal root of first molars and its respective mucous membrane. • ANTERIOR SUPERIOR ALVEOLAR Supplies the incisors, canine, mucous membrane of the anterior part of the lateral wall & floor of the nasal cavity.
- 8. PROSTHODONTIC SIGNIFICANCE OF POSTERIOR, MIDDLE AND ANTERIOR SUPERIOR ALVEOLAR NERVES • Pulp exposure may be observed during tooth preparation of the abutment to achieve a common path of insertion for FPDs • Pain or discomfort may be observed during the preparation of subgingival finish lines