Podcast
Questions and Answers
What condition can result from excessive freeway space or inadequate occlusal vertical dimension (OVD)?
What condition can result from excessive freeway space or inadequate occlusal vertical dimension (OVD)?
Which factor does NOT influence the position of the occlusal plane?
Which factor does NOT influence the position of the occlusal plane?
What is the primary concern when modifying the upper wax rim for lip support?
What is the primary concern when modifying the upper wax rim for lip support?
What may be a consequence of having ineffective chewing due to poor OVD?
What may be a consequence of having ineffective chewing due to poor OVD?
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How is the height of the upper block established during jaw registration?
How is the height of the upper block established during jaw registration?
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What subjective method is used to gain patient approval for lip support modifications?
What subjective method is used to gain patient approval for lip support modifications?
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What may indicate masticatory difficulties other than discomfort?
What may indicate masticatory difficulties other than discomfort?
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What is a common consequence of angular folds at the corners of the mouth?
What is a common consequence of angular folds at the corners of the mouth?
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What is the primary pathogen associated with DRS?
What is the primary pathogen associated with DRS?
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Which of the following is NOT a factor related to the prosthesis in DRS?
Which of the following is NOT a factor related to the prosthesis in DRS?
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What is the standard material used for maxillary edentulous impressions?
What is the standard material used for maxillary edentulous impressions?
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What type of trays should be used for making first impressions?
What type of trays should be used for making first impressions?
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Which treatment approach is appropriate when DRS is associated with significant infection?
Which treatment approach is appropriate when DRS is associated with significant infection?
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What should be done if DRS fails to resolve after initial treatment?
What should be done if DRS fails to resolve after initial treatment?
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Which of these materials is suitable for modifying stock trays?
Which of these materials is suitable for modifying stock trays?
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What is a common symptom that may occur alongside DRS?
What is a common symptom that may occur alongside DRS?
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What should be marked on the impression if the resultant impression is overextended?
What should be marked on the impression if the resultant impression is overextended?
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What type of impression material is commonly used for maxillary second impressions?
What type of impression material is commonly used for maxillary second impressions?
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What spacing should be prescribed for a special tray when using synthetic elastomer?
What spacing should be prescribed for a special tray when using synthetic elastomer?
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Which of the following modifications can be made to areas of significant under-extension in a special tray?
Which of the following modifications can be made to areas of significant under-extension in a special tray?
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What is a key component of the design for the upper special tray used with alginate?
What is a key component of the design for the upper special tray used with alginate?
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What should be included in the mandibular impression for adequate coverage?
What should be included in the mandibular impression for adequate coverage?
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How can areas of tray overextension be reduced?
How can areas of tray overextension be reduced?
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What is the ideal under-extension adjustment for lower tray peripheries?
What is the ideal under-extension adjustment for lower tray peripheries?
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What must be completed before performing a ‘wash’ impression?
What must be completed before performing a ‘wash’ impression?
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What is the purpose of adding modelling wax to the occlusal surface of the lower wax rim?
What is the purpose of adding modelling wax to the occlusal surface of the lower wax rim?
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In the absence of a registration, what will the laboratory do with wash impressions in wax trial dentures?
In the absence of a registration, what will the laboratory do with wash impressions in wax trial dentures?
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What is a primary function of removable partial dentures (RPDs)?
What is a primary function of removable partial dentures (RPDs)?
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When would partial dentures not be necessary?
When would partial dentures not be necessary?
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How should partial dentures be designed concerning oral tissues?
How should partial dentures be designed concerning oral tissues?
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What is the clinical stage that follows a wax trial with a successful registration?
What is the clinical stage that follows a wax trial with a successful registration?
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Which of the following is NOT a purpose of removable partial dentures?
Which of the following is NOT a purpose of removable partial dentures?
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What is a crucial feature to incorporate into crowns or cast restorations for partial dentures?
What is a crucial feature to incorporate into crowns or cast restorations for partial dentures?
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Which step should be completed before constructing a partial denture?
Which step should be completed before constructing a partial denture?
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What type of tray is preferred for making impressions in partially dentate patients?
What type of tray is preferred for making impressions in partially dentate patients?
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Why is silicone putty used in the first stage of impression taking?
Why is silicone putty used in the first stage of impression taking?
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In what scenario would the two-stage technique for impressions be necessary?
In what scenario would the two-stage technique for impressions be necessary?
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What should be done with alginate during the second stage of the impression?
What should be done with alginate during the second stage of the impression?
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What is NOT a recommended action before prosthodontic treatment?
What is NOT a recommended action before prosthodontic treatment?
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Which impression material is accompanied by silicone putty when extensive resorption is present?
Which impression material is accompanied by silicone putty when extensive resorption is present?
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What is a significant disadvantage of immediate dentures post-extraction?
What is a significant disadvantage of immediate dentures post-extraction?
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How can the fit of an immediate denture be improved after tooth extraction?
How can the fit of an immediate denture be improved after tooth extraction?
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What should patients be informed about prior to receiving immediate dentures?
What should patients be informed about prior to receiving immediate dentures?
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What occurs at the post-extraction sites that can affect denture fit?
What occurs at the post-extraction sites that can affect denture fit?
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What is necessary for effective treatment planning when providing immediate dentures?
What is necessary for effective treatment planning when providing immediate dentures?
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What is a key aspect of professionalism in managing patients requiring immediate dentures?
What is a key aspect of professionalism in managing patients requiring immediate dentures?
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What is the likely timeframe for definitive relining or replacement of immediate dentures post-extraction?
What is the likely timeframe for definitive relining or replacement of immediate dentures post-extraction?
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Why is it important to provide the technician with information on periodontal pocket depths?
Why is it important to provide the technician with information on periodontal pocket depths?
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Study Notes
Removable Prosthodontics
- Removable prosthodontics is a team approach involving clinicians, technicians, and patients.
- Clinicians are responsible for the final prosthesis design.
- Technicians are involved with the practical aspects of design and follow prescriptions precisely.
- Technicians may benefit from observing patients in the surgery to understand potential problems.
- Patients need to understand denture limitations and prepare for wearing them.
- This guide follows the current standard guidelines from the British Society of Prosthodontics (BSSPD.org).
Complete Denture Provision
- Complete dentures aim to restore normal speech, occlusal and facial support, and masticatory function.
- A pleasing appearance and comfort is desired, not compromising supporting tissues.
- Preparation of the mouth including treatment planning is crucial.
- A thorough examination, including medical and dental history, must occur.
- Denture-wearing history to assess patient's ability to adapt is vital.
- The clinician should assess denture-bearing areas, including alveolar undercuts, ridge height and width, sulcus depth; and evaluate existing dentures for extension, retention, stability, position, and aesthetics.
- Freeway space (FWS) estimations are crucial as many denture problems involve an incorrect occlusal vertical dimension (OVD).
- Radiographs are only used when clinically indicated (e.g, for suspected retained roots).
- Treatment plans should thoroughly detail potential problems (e.g., poorly extended peripheries, poorly designed dentures, or inadequate FWS).
- Addressing potential treatment needs such as inflammation (denture-related stomatitis) prior to impressions is crucial.
Removable Partial Denture (RPD) Provision
- RPDs aim to restore function and appearance, including mastication, speech, and maintaining oral health.
- These are not a universal solution and should not be used for every missing tooth.
- RPDs must consider supporting tissues, retention, and stability when designed.
- Careful treatment planning and patient communication are emphasized.
- Evaluation of existing dentures, natural teeth, and the oral mucosa is important.
- Radiographic analysis may be required.
- Individual cases should be thoughtfully addressed, as there's considerable variation.
Clinical Stages and Procedures
- Clinical steps for both complete and partial dentures are described sequentially.
- Initial stages involve taking impressions, registering jaw relationships and selecting artificial teeth.
- Important aspects include determining occlusal vertical dimension (OVD), adjusting dentures for freeway space, correct positioning of posterior teeth.
- Further stages include trying in and finishing the dentures, highlighting assessment and addressing problems such as sharp edges, surface blemishes, or defects.
- Occlusion, articulation, and the patient’s experiences must be evaluated.
- Subsequent stages follow the same principles as conventional dentures (e.g., fitting and finishing dentures).
Laboratory Procedures
- Laboratory procedures depend on the type of dentures and clinical findings.
- Specific procedures are outlined in detail in the different appendices depending on different types of dentures.
- The preparation for sending study casts and different materials used is explained. These procedures are specifically outlined for immediate, complete, copy, and partial dentures.
Clinical and Laboratory Sequences
- Diagrams and step-by-step sequences are provided for complete, immediate, copy and partial dentures in different appendices.
- These are presented as flowcharts in appendices 1-4.
- These sequences detail the various stages across both clinical and laboratory settings.
Additional Considerations
- Immediate dentures address social concerns, but require careful procedures to account for changes in oral tissues after extraction.
- Reline procedures are for improving denture fit, and different materials (e.g., temporary chairside relining materials) exist.
- A follow-up appointment is important to check for discomfort and adjust dentures as necessary.
- Appropriate treatment planning is vital due to the variations between each patient case and should not be made merely to fulfill a philosophy of replacing every single missing tooth.
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Description
This quiz explores the essentials of removable prosthodontics, emphasizing the collaborative role of clinicians, technicians, and patients. It covers the complete denture provision process, including preparation, examination, and the importance of understanding denture limitations. This guide aligns with the standards set by the British Society of Prosthodontics.
