articulator-28-1-15.ppt
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This document discusses various types of articulators used in prosthodontics including simple hinge, average value, semi-adjustable, and fully adjustable articulators. It describes the key anatomical landmarks and measurements needed to set up articulators including maximal protrusion, intercuspal position, retruded contact position, hinge axis, and maximum opening. The document also discusses the uses of articulators in diagnosis, treatment planning, and fabrication of dental splints and prostheses. Finally, it notes that the choice of articulator depends on factors like intended use, technician skill, equipment availability, patient occlusion, and how closely the articulator can match the patient's jaw anatomy.
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articulator 22_7_23.pptx
This document discusses different types of articulators used in prosthodontics. It begins by defining an articulator as a mechanical representation of the jaws and temporomandibular joints. It then describes several types of articulators including simple hinge, average value, semi-adjustable, and fully adjustable articulators. For each type, it provides details on their key features and functions. The document emphasizes that the choice of articulator depends on factors like intended use, the technician's skill level, equipment availability, the patient's occlusion, and the operator's skill level. It concludes by noting that no articulator can perfectly record all jaw movements and that they can only attempt to record jaw movements, not fully reproduce the
Articulator
This document discusses different types of articulators used in prosthodontics including simple hinge, average value, semi-adjustable, and fully adjustable articulators. It describes how articulators are used for diagnosis, treatment planning, and fabrication of splints and prostheses. The choice of articulator depends on its intended use, the operator's skill level, cost, and how closely it can match the patient's occlusion to minimize adjustments needed when fitting prostheses.
Cephalometric-Analysis.pptx
Cephalometrics involves the analysis and interpretation of standardized radiographs of the skull and facial bones. It was introduced in the 1930s and modified from anthropological studies. Key aspects summarized include:
- Lateral and frontal cephalograms are used to assess skeletal, dental, airway, and soft tissue relationships.
- Landmarks, planes, and analyses like Downs, Steiner, and Tweed are used to evaluate relationships between cranial structures and compare to norms.
- Analyses evaluate skeletal, dental, and soft tissue parameters to diagnose abnormalities and plan orthodontic treatment.
- Cephalometrics is a valuable tool for orthodontic diagnosis, treatment planning, and evaluating treatment outcomes.
Cephalometry and occlusion of teeth
Cephalometry involves taking standardized lateral radiographs of the head to measure and analyze the relationships between craniofacial structures and teeth. Key points analyzed include angles relating the maxilla and mandible to cranial landmarks, dental angulation and relationships, and facial heights and proportions. Occlusion refers to the contact relationship between teeth during jaw movements. Normal occlusion involves the maxillary first molar cusps fitting into grooves of the mandibular molars. Malocclusions are classified as Class I, II, or III depending on the anteroposterior positioning of the maxillary molars relative to the mandibular molars and jaws.
Hard tissue cephalometrics
Cephalometrics have been the important diagnostic tool in orthodontics. Here is the detailed information about the hard tissue cephalometric analysis performed to diagnose and plan the effective treatment plan.
jaw_relations_concise_pavan.pptx
The document discusses different types of jaw relations that are recorded when fabricating complete dentures, including:
1) Orientation, vertical, and horizontal relations establish the positioning of the mandible relative to the maxilla.
2) Centric relation is the jaw position without tooth contact, while eccentric relations refer to protrusive and lateral jaw movements away from centric.
3) Recording accurate jaw relations is clinically significant for factors like comfort, aesthetics, and functional efficiency of the finished dentures. Guidelines for adjusting the vertical dimension and preparing bite rims are provided.
Cephalometrics
Cephalometrics is the standardized radiographic analysis of craniofacial structures used in orthodontic diagnosis and treatment planning. Key points:
1) Cephalometric analysis involves identifying anatomical landmarks on lateral skull radiographs, then measuring angular and linear relationships between structures to evaluate the sagittal, vertical, and dental relationships.
2) Common analyses include Downs, Steiner, Tweed, and McNamara which assess the position of maxilla, mandible, and teeth.
3) Sagittal analysis evaluates the skeletal relationship of maxilla to cranial base and mandible. Vertical analysis assesses facial height and inclination. Dental analysis examines tooth positions.
Centric relation.ppt
Centric relation is defined as the maxillomandibular relationship where the condyles are seated in the anterior-superior position against the articular eminences with the mandible in a purely rotary movement about the transverse horizontal axis. It is an important reference position for evaluation and treatment. There are various methods to record and reproduce the centric relation position, with bimanual manipulation and anterior deprogrammer/programmer techniques generally providing the most consistent and superior results. Correctly mounting dental casts in centric relation using accurate interocclusal records is essential for proper diagnosis and treatment planning.
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articulator 22_7_23.pptx
This document discusses different types of articulators used in prosthodontics. It begins by defining an articulator as a mechanical representation of the jaws and temporomandibular joints. It then describes several types of articulators including simple hinge, average value, semi-adjustable, and fully adjustable articulators. For each type, it provides details on their key features and functions. The document emphasizes that the choice of articulator depends on factors like intended use, the technician's skill level, equipment availability, the patient's occlusion, and the operator's skill level. It concludes by noting that no articulator can perfectly record all jaw movements and that they can only attempt to record jaw movements, not fully reproduce the
Articulator
This document discusses different types of articulators used in prosthodontics including simple hinge, average value, semi-adjustable, and fully adjustable articulators. It describes how articulators are used for diagnosis, treatment planning, and fabrication of splints and prostheses. The choice of articulator depends on its intended use, the operator's skill level, cost, and how closely it can match the patient's occlusion to minimize adjustments needed when fitting prostheses.
Cephalometric-Analysis.pptx
Cephalometrics involves the analysis and interpretation of standardized radiographs of the skull and facial bones. It was introduced in the 1930s and modified from anthropological studies. Key aspects summarized include:
- Lateral and frontal cephalograms are used to assess skeletal, dental, airway, and soft tissue relationships.
- Landmarks, planes, and analyses like Downs, Steiner, and Tweed are used to evaluate relationships between cranial structures and compare to norms.
- Analyses evaluate skeletal, dental, and soft tissue parameters to diagnose abnormalities and plan orthodontic treatment.
- Cephalometrics is a valuable tool for orthodontic diagnosis, treatment planning, and evaluating treatment outcomes.
Cephalometry and occlusion of teeth
Cephalometry involves taking standardized lateral radiographs of the head to measure and analyze the relationships between craniofacial structures and teeth. Key points analyzed include angles relating the maxilla and mandible to cranial landmarks, dental angulation and relationships, and facial heights and proportions. Occlusion refers to the contact relationship between teeth during jaw movements. Normal occlusion involves the maxillary first molar cusps fitting into grooves of the mandibular molars. Malocclusions are classified as Class I, II, or III depending on the anteroposterior positioning of the maxillary molars relative to the mandibular molars and jaws.
Hard tissue cephalometrics
Cephalometrics have been the important diagnostic tool in orthodontics. Here is the detailed information about the hard tissue cephalometric analysis performed to diagnose and plan the effective treatment plan.
jaw_relations_concise_pavan.pptx
The document discusses different types of jaw relations that are recorded when fabricating complete dentures, including:
1) Orientation, vertical, and horizontal relations establish the positioning of the mandible relative to the maxilla.
2) Centric relation is the jaw position without tooth contact, while eccentric relations refer to protrusive and lateral jaw movements away from centric.
3) Recording accurate jaw relations is clinically significant for factors like comfort, aesthetics, and functional efficiency of the finished dentures. Guidelines for adjusting the vertical dimension and preparing bite rims are provided.
Cephalometrics
Cephalometrics is the standardized radiographic analysis of craniofacial structures used in orthodontic diagnosis and treatment planning. Key points:
1) Cephalometric analysis involves identifying anatomical landmarks on lateral skull radiographs, then measuring angular and linear relationships between structures to evaluate the sagittal, vertical, and dental relationships.
2) Common analyses include Downs, Steiner, Tweed, and McNamara which assess the position of maxilla, mandible, and teeth.
3) Sagittal analysis evaluates the skeletal relationship of maxilla to cranial base and mandible. Vertical analysis assesses facial height and inclination. Dental analysis examines tooth positions.
Centric relation.ppt
Centric relation is defined as the maxillomandibular relationship where the condyles are seated in the anterior-superior position against the articular eminences with the mandible in a purely rotary movement about the transverse horizontal axis. It is an important reference position for evaluation and treatment. There are various methods to record and reproduce the centric relation position, with bimanual manipulation and anterior deprogrammer/programmer techniques generally providing the most consistent and superior results. Correctly mounting dental casts in centric relation using accurate interocclusal records is essential for proper diagnosis and treatment planning.
Cephlometric analysis
Cephalometric analysis involves taking standardized radiographs of the craniofacial region and using anatomical landmarks to measure angular and linear relationships between skeletal, dental, and soft tissue structures. It provides detailed information on how these structures relate to each other. Key points are that cephalometric analysis allows for reproducible imaging of the head and shows soft tissue outlines. Common radiograph views are frontal and lateral. Analysis is used for craniofacial growth assessment, diagnosis, treatment planning, and research. Landmarks, planes of reference, and angular and linear measurements provide quantitative evaluation of skeletal and dental relationships.
COGS analysis (Cephelometrics for orthognathic surgery) / fixed orthodontics ...
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This document provides an overview of the COGS (Cephalometrics for Orthognathic Surgery) analysis. It begins with an introduction to cephalometrics and then describes the various landmarks, measurements, and analyses used in COGS. The COGS analysis examines both hard and soft tissues, including cranial base, skeletal, dental, soft tissue, and facial forms analyses. It uses linear and angular measurements to evaluate features like jaw positions, facial heights and widths, tooth angulations, and overall facial contour. The document outlines the typical landmarks, reference planes, and normative values for each measurement in the COGS analysis.Radiographic views of proximal femur and pelvis
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1) It lists several clinical indications for which these views would be used, such as fractures, degenerative diseases, and bone lesions.
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3) For each view, it provides details on patient and part positioning, central ray angle and direction, and clinical indications for use.
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This document discusses horizontal jaw relations, which refers to the anteroposterior relation of the mandible to the maxilla in the horizontal plane. It describes centric relation as the maxillomandibular relationship where the condyles articulate with the thinnest avascular portion of the discs in the anterior-superior position against the slopes of the articular eminencies, independently of tooth contact. Several methods are presented for recording centric relation, including static, functional, and graphic methods, with graphic methods seen as the most accurate. Eccentric relations involving protrusive and lateral mandibular positions are also important to record for balanced occlusion.
Surgical orthodontics / dental crown & bridge courses
This document discusses various cephalometric analyses used in orthodontic treatment planning and orthognathic surgery planning. It describes analyses such as COGS, Burstone soft tissue analysis, Dipaolo's quadrilateral analysis, Sassouni analysis, and others. Key components of each analysis are defined, such as skeletal and dental measurements, landmarks, planes, ratios and norms. The document provides detailed information on performing various cephalometric measurements and analyses to evaluate the skeletal structure and dental relationships of patients considered for orthodontic and orthognathic surgical treatment.
Surgical orthodontics / oral surgery courses
Description :
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Surgical orthodontics/dental crown & bridge courses
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Cephalometrics, diagnostic tool
This document provides an overview of cephalometrics including:
1. A brief history noting its development from craniometry and introduction in the early 20th century.
2. A description of common cephalometric equipment including the Broadbent bolton type and highleys type.
3. An explanation of landmarks and planes used in cephalometric analysis including horizontal planes like SN plane and vertical planes like A-Pog line.
4. A summary of common cephalometric analyses like Downs analysis, Steiner's analysis, and Wits appraisal which are used to evaluate skeletal and dental relationships.
Cephalometry
Cephalometry deals with the study of the skull through x-rays and analysis of selected linear and angular measurements. It is used for diagnosis, treatment planning, and evaluating treatment outcomes in orthodontics. Key landmarks are identified on cephalograms and used to perform analyses of the sagittal, vertical, and dental relationships of the jaws. Common analyses include Steiner, Sassouni, and McNamara which evaluate specific angular and linear measurements to assess jaw positions and tooth inclinations for orthodontic diagnosis and planning.
Cephalometic
Cephalometric analysis involves taking x-rays of the skull from different angles and measuring anatomical landmarks and relationships to assess skeletal patterns, dental patterns, and soft tissue profiles. Various instruments and techniques were developed over time to standardize cephalometric x-rays. Key developments included the cephalostat to orient the head in the same position, and advances like digital scans and 3D modeling to capture three-dimensional anatomy. Cephalometric analysis is used for diagnosis, treatment planning, evaluating treatment outcomes, and studying craniofacial growth and relapse.
Cephalomeric radiography
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Conclusion
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This document provides a summary of the clinical diagnosis of Class II malocclusion. It describes the extraoral and intraoral features, diagnostic process including case history, photos, radiographs and casts. It analyzes features of Class II division 1 and 2 malocclusions. Key aspects of cephalometric analysis are outlined including measurements of cranial bases, facial heights, angles between cranial structures, jaw bases and dentoalveolar structures. Growth patterns and effects of functional appliances are discussed.
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The horizontal jaw relation describes the anteroposterior position of the mandible relative to the maxilla. There are three types: centric relation, and two eccentric relations (protrusive and lateral). Centric relation is the maxillomandibular relationship with the condyles in the anterosuperior position against the articular eminence, independent of tooth contact. It is a repeatable reference position that allows for unstrained vertical and lateral movements. Methods to record centric relation include static, functional and graphic techniques.
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THR
Total hip replacement (THR) is a common procedure to treat arthritis of the hip. Prof. John Charnley pioneered THR in the 1960s using low-friction arthroplasty with polyethylene and acrylic bone cement. THR aims to reduce joint reaction forces by recentering the femoral head and lengthening muscle lever arms. Surgeons select implants and fixation methods based on patient factors and bone quality. Outcomes depend on restoring normal hip biomechanics and long-term implant fixation to bone.
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Dental amalgam is an alloy used in dental fillings that consists of mercury combined with other metals such as silver, tin, and copper. There are different types of amalgam including low-copper and high-copper alloys. The document discusses the composition, properties, setting reactions, and manipulation of dental amalgam. It also addresses potential toxicity concerns with mercury and recent modifications to amalgam materials.
fdocuments.in_articulators-in-prosthodontics.pptx 02_Dec_22 (1).pptx
This document provides an overview of articulators used in dentistry. It defines an articulator as a mechanical instrument that represents the temporomandibular joints and jaws to simulate mandibular movements. The document then discusses the history of major articulators developed since the 18th century, including Howarth's, Bonwill's, Gysi's, Hanau's, and others. It also covers classifications of articulators based on the theories of occlusion they use, the type of records used for adjustment, their function, and according to Heartwell. In summary, the document traces the evolution of articulators from early plaster models to modern instruments that can accurately simulate individual patient jaw movements.
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Cephlometric analysis
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This document provides an overview of the COGS (Cephalometrics for Orthognathic Surgery) analysis. It begins with an introduction to cephalometrics and then describes the various landmarks, measurements, and analyses used in COGS. The COGS analysis examines both hard and soft tissues, including cranial base, skeletal, dental, soft tissue, and facial forms analyses. It uses linear and angular measurements to evaluate features like jaw positions, facial heights and widths, tooth angulations, and overall facial contour. The document outlines the typical landmarks, reference planes, and normative values for each measurement in the COGS analysis.Radiographic views of proximal femur and pelvis
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1) It lists several clinical indications for which these views would be used, such as fractures, degenerative diseases, and bone lesions.
2) It describes the positioning and technical factors for several common views, including AP pelvis, AP bilateral frog-leg, AP axial outlet, and posterior oblique pelvis-acetabulum views.
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Surgical orthodontics / dental crown & bridge courses
This document discusses various cephalometric analyses used in orthodontic treatment planning and orthognathic surgery planning. It describes analyses such as COGS, Burstone soft tissue analysis, Dipaolo's quadrilateral analysis, Sassouni analysis, and others. Key components of each analysis are defined, such as skeletal and dental measurements, landmarks, planes, ratios and norms. The document provides detailed information on performing various cephalometric measurements and analyses to evaluate the skeletal structure and dental relationships of patients considered for orthodontic and orthognathic surgical treatment.
Surgical orthodontics / oral surgery courses
Description :
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Surgical orthodontics/dental crown & bridge courses
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Cephalometrics, diagnostic tool
This document provides an overview of cephalometrics including:
1. A brief history noting its development from craniometry and introduction in the early 20th century.
2. A description of common cephalometric equipment including the Broadbent bolton type and highleys type.
3. An explanation of landmarks and planes used in cephalometric analysis including horizontal planes like SN plane and vertical planes like A-Pog line.
4. A summary of common cephalometric analyses like Downs analysis, Steiner's analysis, and Wits appraisal which are used to evaluate skeletal and dental relationships.
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Cephalometry deals with the study of the skull through x-rays and analysis of selected linear and angular measurements. It is used for diagnosis, treatment planning, and evaluating treatment outcomes in orthodontics. Key landmarks are identified on cephalograms and used to perform analyses of the sagittal, vertical, and dental relationships of the jaws. Common analyses include Steiner, Sassouni, and McNamara which evaluate specific angular and linear measurements to assess jaw positions and tooth inclinations for orthodontic diagnosis and planning.
Cephalometic
Cephalometric analysis involves taking x-rays of the skull from different angles and measuring anatomical landmarks and relationships to assess skeletal patterns, dental patterns, and soft tissue profiles. Various instruments and techniques were developed over time to standardize cephalometric x-rays. Key developments included the cephalostat to orient the head in the same position, and advances like digital scans and 3D modeling to capture three-dimensional anatomy. Cephalometric analysis is used for diagnosis, treatment planning, evaluating treatment outcomes, and studying craniofacial growth and relapse.
Cephalomeric radiography
Cephalometric radiography involves standardized skull x-rays used in orthodontics to assess jaw and tooth relationships. It allows initial diagnosis, treatment planning, monitoring progress, and evaluating results. Key equipment includes a cephalostat and cassette. Main projections are lateral and postero-anterior views of the jaws. Tracings are made to measure angles and distances between anatomical landmarks. Multiple analyses methods exist to evaluate skeletal, dental, and soft tissue patterns compared to norms. Cephalometric radiography is useful but has limitations from individual variability and error.
3.model analysis
This document provides an overview of various methods for analyzing dental study models, including Pont's analysis, Linderharth analysis, Korkhaus analysis, Ashley Howe's analysis, Bolton's analysis, space analysis methods like Nance and Carey's analysis and Lundstorm segmental analysis. It describes how each analysis is performed and what dental relationships and discrepancies it evaluates. The analyses help assess issues like arch width, length, tooth size discrepancies, crowding, and space evaluation in treatment planning.
VERTICAL JAW RELATION.pptx
This document discusses the importance of determining the vertical jaw relation and describes several methods for doing so. It defines key terms like vertical dimension, rest vertical dimension, and occlusal vertical dimension. Methods covered include mechanical techniques like using ridge relations, former dentures, pre-extraction records, and physiological techniques like phonetic testing and establishing the physiological rest position. Maintaining the proper vertical dimension is important for functions like speech, swallowing and avoiding joint issues.
Space Analysis
Space Analysis
Contents :
Introduction
Space Analysis
Types
MIXED DENTITION ANALYSIS
HUCKABA’S ANALYSIS
MOYER’S SPACE ANALYSIS
TANAKA-JOHNSTON ANALYSIS
Conclusion
OPG.pptx
This document discusses panoramic imaging and provides information on its indications, principles, focal trough, limitations, advantages, and disadvantages. The key principles discussed are that panoramic imaging involves rotating the x-ray beam and film around two centers of rotation to produce an image, and that there is a focal trough or zone of optimal focus and detail where objects appear sharp. While it provides a broad view of facial bones and teeth, it has limitations such as poor anatomical detail and overlapping structures.
Class – II malocclusion
This document provides a summary of the clinical diagnosis of Class II malocclusion. It describes the extraoral and intraoral features, diagnostic process including case history, photos, radiographs and casts. It analyzes features of Class II division 1 and 2 malocclusions. Key aspects of cephalometric analysis are outlined including measurements of cranial bases, facial heights, angles between cranial structures, jaw bases and dentoalveolar structures. Growth patterns and effects of functional appliances are discussed.
HORIZONTAL JAW RELATION - prosthodontics
The horizontal jaw relation describes the anteroposterior position of the mandible relative to the maxilla. There are three types: centric relation, and two eccentric relations (protrusive and lateral). Centric relation is the maxillomandibular relationship with the condyles in the anterosuperior position against the articular eminence, independent of tooth contact. It is a repeatable reference position that allows for unstrained vertical and lateral movements. Methods to record centric relation include static, functional and graphic techniques.
Occlusion in prosthodontics (Revision for 5th year students)
The document discusses key concepts related to occlusion and prosthodontics. It defines important occlusion terms like centric relation, centric occlusion, maximum intercuspation, vertical dimension of occlusion, and vertical dimension of rest. It describes the stomatognathic system including muscles of mastication and temporomandibular joint anatomy. It also discusses factors that affect balanced occlusion and the importance of recording occlusion for removable prosthodontics.
CEPHELOMETRICS IN PEDIATRIC DENTISTRY
This document provides an overview of cephalometrics and cephalometric analysis. It discusses the history and development of cephalometrics, types of cephalograms, cephalometric landmarks, planes, errors, and classifications of cephalometric analysis including Hard Tissue Analysis methods like Downs analysis and Steiner analysis. Downs analysis uses 10 parameters to evaluate skeletal and dental relationships while Steiner analysis divides analysis into skeletal, dental and soft tissue components to provide maximal information. Cephalometrics is important for orthodontic diagnosis and treatment planning.
THR
Total hip replacement (THR) is a common procedure to treat arthritis of the hip. Prof. John Charnley pioneered THR in the 1960s using low-friction arthroplasty with polyethylene and acrylic bone cement. THR aims to reduce joint reaction forces by recentering the femoral head and lengthening muscle lever arms. Surgeons select implants and fixation methods based on patient factors and bone quality. Outcomes depend on restoring normal hip biomechanics and long-term implant fixation to bone.
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Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
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Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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articulator-28-1-15.ppt
- 1. Dr Balendra pratap singh BDS, MDS, MAMS, FISDR, FPFA, FAAMP, ICMR-IF Assistant Professor Department of Prosthodontics King George’s Medical University, Lucknow
- 8. MP MO ICP RCP HA MP = Maximal protrusion ICP = Intercuspal position RCP= Retruded Contact position HA = Hinge axis MO = Maximum opening Posselt’s Figure
- 9. Posselt’s Figure – top edge RCP ICP IG EE MP
- 11. Articulators A mechanical representation of the jaws and temporo-mandibular joints
- 12. Diagnosis • slides and occlusal relationships Treatment planning • Diagnostic wax - up • Occlusal adjustment Fabrication of Splint / Prostheses
- 13. Types Simple Hinge Average Value Semi-adjustable Fully adjustable
- 20. Average Value
- 23. Non Arcon
- 24. Adjustable Condylar Angle, ISS & PSS
- 25. Semi-adjustable Can alter; •TMJ to Incisor distance •Bennett Angle •Condylor Guidance Angle •Incisal guidance plate
- 26. •Needs Facebow recording •Ideally should be used for complete denture cases
- 27. For semi adjustable articulator
- 28. Posterior wall Superior wall Medial wall Inclination of superior wall Condylar angle Intercondylar (& glenoid fossa) distance ISS
- 31. Therefore the distance from the condyle to the teeth is crucial We obtain a measurement of this distance with a facebow
- 36. Bimanual manipulation Cotton wool rolls Anterior “jig” Splint therapy Chin-point guidance
- 38. From Howatt, Capp & Barrett
- 39. Condylar angle at saggittal plan30 and lateral guidance 15 ° Immediate side shift 0.3mm Progressive side shift 6°
- 40. Allows shape of palatal to be reproduced Allows length of incisors to be maintained
- 44. Tooth to be prepped Shape created is the inverse of Posselt’s figure
- 47. The choice of articulator depends upon such factors as; Intended use - Skill of the technician Availability of equipment - Expense Patient's occlusion - Skill of the operator The more closely the articulator matches the patients anatomy, usually the better the outcome and the less adjustment is required at chairside on fitting prostheses.
- 48. No articulator is best and no one can record all jaw movements Articulator can try to record only jaw movements not reproduced anatomy of joint.