Podcast
Questions and Answers
What is the primary objective of prosthodontic treatment regarding oral disease?
What is the primary objective of prosthodontic treatment regarding oral disease?
- To enhance esthetic appeal
- To maintain existing oral structures
- To eliminate oral disease to the greatest extent possible (correct)
- To restore all lost functions
Which of the following is a physiological consequence of tooth loss?
Which of the following is a physiological consequence of tooth loss?
- Greater loss of maxillary bone
- Increased muscle guidance
- Loss of ridge volume
- Change in chewing pattern (correct)
What facilitates treatment decisions in prosthodontics?
What facilitates treatment decisions in prosthodontics?
- Patient's preferences
- Surgeon's experience
- Financial considerations
- Kennedy's classification (correct)
Which of the following describes an acceptable method of classification for partially edentulous arches?
Which of the following describes an acceptable method of classification for partially edentulous arches?
What distinguishes a tooth-supported partially edentulous arch from a tooth- and tissue-supported arch?
What distinguishes a tooth-supported partially edentulous arch from a tooth- and tissue-supported arch?
What anatomical consequence is observed after tooth loss?
What anatomical consequence is observed after tooth loss?
Which of the following is NOT a basic objective of prosthodontic treatment?
Which of the following is NOT a basic objective of prosthodontic treatment?
Which factor is NOT considered in the requirements for an acceptable method of classification?
Which factor is NOT considered in the requirements for an acceptable method of classification?
What is the primary focus of prosthodontics?
What is the primary focus of prosthodontics?
Which condition may warrant the recommendation of a removable partial denture (RPD)?
Which condition may warrant the recommendation of a removable partial denture (RPD)?
What is an essential objective when considering prosthodontic treatment for partially edentulous individuals?
What is an essential objective when considering prosthodontic treatment for partially edentulous individuals?
Which factor is typically considered when recommending RPD for a patient?
Which factor is typically considered when recommending RPD for a patient?
What does prosthesis refer to in the context of prosthodontics?
What does prosthesis refer to in the context of prosthodontics?
Which of the following best describes an economic consideration for recommending RPD?
Which of the following best describes an economic consideration for recommending RPD?
In what scenario would tooth loss be categorized as the second most frequent cause of disability among the elderly?
In what scenario would tooth loss be categorized as the second most frequent cause of disability among the elderly?
Which of the following criteria does NOT typically indicate a need for RPD?
Which of the following criteria does NOT typically indicate a need for RPD?
Which statement accurately describes the components of a direct retainer?
Which statement accurately describes the components of a direct retainer?
Which of the following statements about the abutment is false?
Which of the following statements about the abutment is false?
Which statement incorrectly describes the functions of a major connector?
Which statement incorrectly describes the functions of a major connector?
Which statement regarding the retentive arm is true?
Which statement regarding the retentive arm is true?
Which statement about the indirect retainer is incorrect?
Which statement about the indirect retainer is incorrect?
What does the reciprocal arm in a partial denture do?
What does the reciprocal arm in a partial denture do?
What is the purpose of a guide plane in the context of a partial denture?
What is the purpose of a guide plane in the context of a partial denture?
What does the term 'height of contour' refer to?
What does the term 'height of contour' refer to?
What is an interim or provisional denture primarily designed for?
What is an interim or provisional denture primarily designed for?
What does the process of relining a denture involve?
What does the process of relining a denture involve?
Which of the following components is NOT part of a removable partial denture (RPD)?
Which of the following components is NOT part of a removable partial denture (RPD)?
What does rebasing a denture involve?
What does rebasing a denture involve?
What is the primary function of the retentive arm in a partial denture?
What is the primary function of the retentive arm in a partial denture?
Which term describes the undercut in dental restoration?
Which term describes the undercut in dental restoration?
Which part is primarily responsible for covering the residual ridges in a partial denture?
Which part is primarily responsible for covering the residual ridges in a partial denture?
What is the responsibility of both the dentist and the patient in the success of a removable partial denture?
What is the responsibility of both the dentist and the patient in the success of a removable partial denture?
Which factor is most crucial in obtaining adequate support for distal extension bases?
Which factor is most crucial in obtaining adequate support for distal extension bases?
What must be ensured before a patient is given possession of their dentures?
What must be ensured before a patient is given possession of their dentures?
What is defined as the quality of a prosthesis to remain firm and stable?
What is defined as the quality of a prosthesis to remain firm and stable?
In the context of partial dentures, what is a major connector?
In the context of partial dentures, what is a major connector?
Which component is primarily responsible for dissipating forces on a tooth?
Which component is primarily responsible for dissipating forces on a tooth?
What describes the function of a direct retainer in partial dentures?
What describes the function of a direct retainer in partial dentures?
What is the primary purpose of periodic recall appointments?
What is the primary purpose of periodic recall appointments?
What does retention resist in the context of prosthodontics?
What does retention resist in the context of prosthodontics?
Which condition must be addressed before recording jaw relations?
Which condition must be addressed before recording jaw relations?
What best describes the role of the minor connector in a partial denture?
What best describes the role of the minor connector in a partial denture?
What is the significance of assessing periodontal conditions in treatment planning?
What is the significance of assessing periodontal conditions in treatment planning?
What is a distinctive characteristic of distal extension partial dentures?
What is a distinctive characteristic of distal extension partial dentures?
What is one critical factor in the success of a removable partial denture regarding patient education?
What is one critical factor in the success of a removable partial denture regarding patient education?
Flashcards
Elimination of oral disease
Elimination of oral disease
The process of removing oral diseases to the fullest extent possible.
Preservation of teeth and oral structures
Preservation of teeth and oral structures
The act of preserving the health and relationships of teeth, oral structures, and surrounding tissues to improve removable partial denture design.
Restoration of oral functions
Restoration of oral functions
The restoration of oral functions to a comfortable, aesthetically pleasing, and speech-friendly state.
Loss of Ridge Volume
Loss of Ridge Volume
Changes in the shape and size of the jawbone following tooth loss, resulting in reduced height and width.
Signup and view all the flashcards
Greater mandibular bone loss
Greater mandibular bone loss
The jawbone shrinks faster in the lower jaw than in the upper jaw after tooth loss.
Signup and view all the flashcards
More pronounced bone loss posteriorly
More pronounced bone loss posteriorly
Bone loss is more pronounced at the back of the mouth than at the front.
Signup and view all the flashcards
Bone loss creating broader mandibular arch
Bone loss creating broader mandibular arch
The jawbone changes shape, becoming wider in the lower jaw and narrower in the upper jaw.
Signup and view all the flashcards
Attached gingiva replaced with less keratinized mucosa
Attached gingiva replaced with less keratinized mucosa
The gums, which are typically attached to the teeth, are replaced by less firm oral mucosa.
Signup and view all the flashcards
Removable Partial Denture (RPD)
Removable Partial Denture (RPD)
A removable dental appliance that replaces missing teeth and their supporting structures. It is designed to be removed and reinserted by the patient.
Signup and view all the flashcards
Prosthodontics
Prosthodontics
The field of dentistry that focuses on replacing missing teeth or parts of teeth, restoring function, and improving esthetics.
Signup and view all the flashcards
Prosthesis
Prosthesis
A prosthetic device that replaces a missing body part, typically a limb.
Signup and view all the flashcards
Removable Prosthodontics
Removable Prosthodontics
The branch of prosthodontics that involves designing, creating, and fitting removable partial dentures.
Signup and view all the flashcards
Economic Considerations for RPDs
Economic Considerations for RPDs
A major reason for recommending RPDs is their affordability compared to other restorative options.
Signup and view all the flashcards
RPDs When FPDs are Contraindicated
RPDs When FPDs are Contraindicated
RPDs are a suitable option when fixed prostheses (bridges) are not feasible due to abutment limitations.
Signup and view all the flashcards
Immediate Replacement of Extracted Teeth
Immediate Replacement of Extracted Teeth
The need for replacing extracted teeth immediately, such as after an accident or surgical procedure.
Signup and view all the flashcards
Long Span Edentulous Area
Long Span Edentulous Area
A common reason for recommending RPDs is when the patient needs a replacement for missing teeth in the back of the mouth, which requires longer spans.
Signup and view all the flashcards
Abutment
Abutment
A component of a removable partial denture (RPD) that directly receives forces and helps distribute them.
Signup and view all the flashcards
Rest
Rest
A rigid extension of an RPD that helps to distribute forces and prevents the denture from tipping.
Signup and view all the flashcards
Major Connector
Major Connector
A component of a removable partial denture (RPD) that joins the components on one side to the other.
Signup and view all the flashcards
Retentive Arm
Retentive Arm
The tapered part of a retentive arm on an RPD that fits into an undercut on the abutment tooth.
Signup and view all the flashcards
Reciprocal Arm
Reciprocal Arm
A flexible segment of an RPD that helps to retain the denture and prevent it from dislodging.
Signup and view all the flashcards
Retention
Retention
The resistance of a prosthesis to vertical forces that could dislodge it.
Signup and view all the flashcards
Stability
Stability
The ability of a prosthesis to resist displacement from frictional, horizontal, or rotational forces.
Signup and view all the flashcards
Tooth-supported partial denture
Tooth-supported partial denture
A partial denture supported by abutment teeth only, providing support at both ends without relying on soft tissues for stability.
Signup and view all the flashcards
Tooth-tissue-supported partial denture
Tooth-tissue-supported partial denture
A partial denture that receives support from both abutment teeth and the underlying soft tissues, creating interdependence.
Signup and view all the flashcards
Distal extension partial denture
Distal extension partial denture
A removable partial denture design extending posteriorly towards the back of the mouth, often used for replacing missing molars.
Signup and view all the flashcards
Residual Ridge
Residual Ridge
The remaining bone and soft tissues after tooth extraction, crucial for supporting a prosthesis.
Signup and view all the flashcards
Direct Retainer
Direct Retainer
A component designed to retain and prevent dislodgement of a partial denture, usually called a 'clasp'.
Signup and view all the flashcards
Indirect Retainer
Indirect Retainer
A component that counteracts forces that could lift the base of the prosthesis away from the residual ridge.
Signup and view all the flashcards
Mixed dentition
Mixed dentition
The combination of elements that provide stability and support for partial dentures, utilizing both tooth and tissue support.
Signup and view all the flashcards
Denture Base
Denture Base
The part of a removable partial denture (RPD) that covers the gum tissue and supports the artificial teeth.
Signup and view all the flashcards
Guide Plane
Guide Plane
The part of an RPD that guides the denture during insertion and removal, ensuring a smooth and predictable path.
Signup and view all the flashcards
Interim/Provisional Denture
Interim/Provisional Denture
A temporary denture used for a short period, providing esthetics, function, or comfort.
Signup and view all the flashcardsStudy Notes
Kennedy's Classification of Partially Edentulous Arches
- Kennedy's classification is a widely used method for classifying partially edentulous arches.
- The classification helps facilitate treatment decisions based on the complexity of the case.
- The classification categorizes the edentulous areas, abutments, occlusal characteristics, and the residual ridge.
- This classification was proposed in 1925 by Dr. Edward Kennedy.
Basic Objectives of Prosthodontic Treatment
- Elimination: Oral disease is reduced to the greatest extent possible.
- Preservation: Preserving the health of teeth and related oral structures, which improves the success of a removable partial denture.
- Restoration: Restoring oral functions that are comfortable, aesthetically pleasing, and don't interfere with speech.
Consequences of Tooth Loss
- Anatomic Consequences: Tooth loss affects the ridge volume (height and width) and bone loss is pronounced in the posterior areas and less so in the anterior areas. Increased mandibular bone loss compared to maxillary bone loss occurs. Attached gingiva is replaced with less keratinized oral mucosa due to bone resorption and tilting of adjacent teeth.
- Physiologic Consequences: There's a change in chewing patterns, less muscular guidance, altered lip support, and a reduction in facial height. Loss of teeth can lead to bite collapse and a reduction in the lower third of facial height, which leads to changes in the appearance of the lips and cheeks.
Purpose of Classification
- The purpose of classification is to facilitate treatment decisions.
- Classification is based on the complexity of treatment necessitated by the extent of the missing teeth.
- Areas to consider are the location and extent of edentulous areas, the condition of abutments, occlusal characteristics and requirements, and the condition of the residual ridge.
Requirements for an Acceptable Method of Classification
- The method of classification should allow for visualization of the type of partially edentulous arch being considered.
- The method should enable immediate differentiation between tooth-supported and tissue-supported arches.
- The method should gain universal acceptance.
- The classification system should guide design choices for treatment.
Tooth-Supported vs. Tooth-and-Tissue-Supported
- Tooth-Supported: Supported by teeth located both anterior and posterior to the edentulous space.
- Tooth-and-Tissue-Supported: Supported by teeth that may be either anterior or posterior to the edentulous space and relying on the residual ridge.
Tooth-Supported: Natural Teeth
- Natural teeth: Provide direct resistance to functional forces.
- Rest preparation: Positive vertical support for the restoration is critical.
- Clasps: Used to maintain the prosthesis in position under horizontal chewing loads.
Tooth-and-Tissue-Supported: Residual Ridge
- Residual ridge: Assists in the functional stability of the prosthesis.
- Tooth modification: Designed to allow appropriate functional support for teeth, while accommodating potential movement of the extension base in vertical or horizontal directions.
Disadvantages of Clasp-Retained Partial Dentures
- Strain on abutment teeth: Improper tooth preparation or clasp design may put strain on adjacent teeth.
- Unesthetic: Clasps can be noticeable, particularly on visible tooth surfaces.
- Caries Development: Caries can develop under clasp components and other sections of the framework.
Kennedy Classification
- Proposed by Dr. Edward Kennedy in 1925.
- Major classes include I, II, III, IV; (classes are defined in the image of page 12)
- This classification system helps prosthodontists classify partially edentulous arches.
- The classes are based on the location and number of edentulous areas in relation to any remaining natural teeth.
Applegate's Rules for Applying the Kennedy Classification
- Rules govern the application and extractions that might change the classification.
- Rules address when certain teeth in the classification are missing and/or to be used as abutments.
- Areas that determine the classification are defined, including the most posterior edentulous area.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
