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Questions and Answers
What is the purpose of the Learning Goals mentioned in the text?
What is the purpose of the Learning Goals mentioned in the text?
- To mention indications for debonding prosthesis (correct)
- To describe the advantages and disadvantages of every retrievability technique
- To outline the predefined period of use for fixed dental constructions
- To classify available techniques for prosthesis debonding
According to the text, what are the two main approaches observed in the second group of clinical situations?
According to the text, what are the two main approaches observed in the second group of clinical situations?
- Preserving the construction and sectioning
- With preserving the construction
- Without preserving the construction (correct)
- Immediate removal after cementing
What is the average life duration of crowns according to literature data?
What is the average life duration of crowns according to literature data?
- 11-12 years
- 7-8 years (correct)
- 5-6 years
- 9-10 years
In which clinical situation does immediate removal of fixed prosthetic restorations usually occur?
In which clinical situation does immediate removal of fixed prosthetic restorations usually occur?
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing?
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing?
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
What are the two groups of clinical situations mentioned in the text?
What are the two groups of clinical situations mentioned in the text?
What is emphasized as the average life duration in the text?
What is emphasized as the average life duration in the text?
What is stated about fixed dental constructions?
What is stated about fixed dental constructions?
According to the text, what are the two main approaches observed in the second group of clinical situations?
According to the text, what are the two main approaches observed in the second group of clinical situations?
Which technique involves making a small access hole through the prosthesis?
Which technique involves making a small access hole through the prosthesis?
What is a possible method of disrupting the luting cement layer during restoration removal?
What is a possible method of disrupting the luting cement layer during restoration removal?
What may be necessary to remove present-day adhesively bonded all-ceramic restorations?
What may be necessary to remove present-day adhesively bonded all-ceramic restorations?
What instrument may be used to insert into the groove on the surface of the restoration for removal?
What instrument may be used to insert into the groove on the surface of the restoration for removal?
Which technique involves applying traction force on the prosthesis to break down the luting agent?
Which technique involves applying traction force on the prosthesis to break down the luting agent?
What is used to reduce the tension on the tooth/core when removing restorations?
What is used to reduce the tension on the tooth/core when removing restorations?
What may render a restoration totally unusable during removal?
What may render a restoration totally unusable during removal?
What breaks down the luting agent in semi-conservative techniques?
What breaks down the luting agent in semi-conservative techniques?
Which technique involves inserting a crown spreader/lever in the groove made on the surface of the restoration for removal?
Which technique involves inserting a crown spreader/lever in the groove made on the surface of the restoration for removal?
What may be used as provisional restorations in semi-conservative techniques?
What may be used as provisional restorations in semi-conservative techniques?
What instruments may be developed for access through the hole made in semi-conservative techniques?
What instruments may be developed for access through the hole made in semi-conservative techniques?
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
Which technique involves the application of lasers such as Er, Cr: YSGG 2780 nm for the safe removal of all ceramic restorations?
Which technique involves the application of lasers such as Er, Cr: YSGG 2780 nm for the safe removal of all ceramic restorations?
What instrument type is manually compressed and released to deliver the impact force for removing restorations?
What instrument type is manually compressed and released to deliver the impact force for removing restorations?
What may be a disadvantage of using back-action instruments with a weight for restoration removal?
What may be a disadvantage of using back-action instruments with a weight for restoration removal?
Which method is contraindicated in patients with Hepatitis B and herpes simplex, as well as in patients with cardiac pacemakers?
Which method is contraindicated in patients with Hepatitis B and herpes simplex, as well as in patients with cardiac pacemakers?
Which technique allows the dentist to re-cement the construction after adjustments?
Which technique allows the dentist to re-cement the construction after adjustments?
What is a potential disadvantage of using lasers for restoration removal?
What is a potential disadvantage of using lasers for restoration removal?
Which technique aims at breaking down the luting cement layer and allows for re-cementation of the restoration?
Which technique aims at breaking down the luting cement layer and allows for re-cementation of the restoration?
What can be used to remove fixed dental constructions using special scalar tips without damaging the restoration?
What can be used to remove fixed dental constructions using special scalar tips without damaging the restoration?
Which technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Which technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Which technique allows for better directional control over the force delivered during restoration removal?
Which technique allows for better directional control over the force delivered during restoration removal?
Which technique is described as a time-consuming approach that may cause ceramic veneering fracture and damage to the pulp if profound water spray is not used?
Which technique is described as a time-consuming approach that may cause ceramic veneering fracture and damage to the pulp if profound water spray is not used?
What are the indications for debonding prosthesis?
What are the indications for debonding prosthesis?
How can available techniques for prosthesis debonding be classified?
How can available techniques for prosthesis debonding be classified?
What is the average life duration of crowns according to literature data?
What is the average life duration of crowns according to literature data?
What technique allows for re-cementation of the restoration after breaking down the luting agent?
What technique allows for re-cementation of the restoration after breaking down the luting agent?
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
What is the potential disadvantage of using lasers for restoration removal?
What is the potential disadvantage of using lasers for restoration removal?
What technique involves applying traction force on the prosthesis to break down the luting agent?
What technique involves applying traction force on the prosthesis to break down the luting agent?
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
What instrument may be used to insert into the groove on the surface of the restoration for removal?
What instrument may be used to insert into the groove on the surface of the restoration for removal?
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
What may be necessary to remove present-day adhesively bonded all-ceramic restorations?
What may be necessary to remove present-day adhesively bonded all-ceramic restorations?
What is the purpose of the Learning Goals mentioned in the text?
What is the purpose of the Learning Goals mentioned in the text?
What are the four main groups that the removal of a prosthetic construction is divided into?
What are the four main groups that the removal of a prosthetic construction is divided into?
What is the potential disadvantage of using lasers for restoration removal?
What is the potential disadvantage of using lasers for restoration removal?
What may be contraindicated in patients with Hepatitis B and herpes simplex, as well as in patients with cardiac pacemakers?
What may be contraindicated in patients with Hepatitis B and herpes simplex, as well as in patients with cardiac pacemakers?
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
What are the two main approaches observed in the second group of clinical situations?
What are the two main approaches observed in the second group of clinical situations?
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
What technique allows for the dentist to re-cement the construction after adjustments?
What technique allows for the dentist to re-cement the construction after adjustments?
What is used to reduce the tension on the tooth/core when removing restorations?
What is used to reduce the tension on the tooth/core when removing restorations?
What may render a restoration totally unusable during removal?
What may render a restoration totally unusable during removal?
Which technique involves making a small access hole through the prosthesis?
Which technique involves making a small access hole through the prosthesis?
What may be used as provisional restorations in semi-conservative techniques?
What may be used as provisional restorations in semi-conservative techniques?
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
What instruments are developed for access through the hole made in semi-conservative techniques?
What instruments are developed for access through the hole made in semi-conservative techniques?
What may render a restoration totally unusable during removal?
What may render a restoration totally unusable during removal?
What technique involves making a small access hole through the prosthesis?
What technique involves making a small access hole through the prosthesis?
What is emphasized as the average life duration in the text?
What is emphasized as the average life duration in the text?
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing?
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing?
What instrument type is manually compressed and released to deliver the impact force for removing restorations?
What instrument type is manually compressed and released to deliver the impact force for removing restorations?
Which technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Which technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
What technique involves the application of lasers such as Er, Cr: YSGG 2780 nm for the safe removal of all ceramic restorations?
What technique involves the application of lasers such as Er, Cr: YSGG 2780 nm for the safe removal of all ceramic restorations?
Which technique allows for better directional control over the force delivered during restoration removal?
Which technique allows for better directional control over the force delivered during restoration removal?
What is used to reduce the tension on the tooth/core when removing restorations?
What is used to reduce the tension on the tooth/core when removing restorations?
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
The technique for removing prosthetic restorations using special scalar tips is called _______
The technique for removing prosthetic restorations using special scalar tips is called _______
Richwill resin is a _______ used to remove temporarily and permanently fixed restorations
Richwill resin is a _______ used to remove temporarily and permanently fixed restorations
Lasers such as Er, Cr: YSGG 2780 nm may be used for the safe removal of _______ restorations
Lasers such as Er, Cr: YSGG 2780 nm may be used for the safe removal of _______ restorations
Back-action instruments with a weight are used for removing _______ restorations
Back-action instruments with a weight are used for removing _______ restorations
Back-action instruments with a weight may cause discomfort and _______ of the periodontal ligament
Back-action instruments with a weight may cause discomfort and _______ of the periodontal ligament
Spring loaded semi-automatic removers have better _______ over the force delivered
Spring loaded semi-automatic removers have better _______ over the force delivered
The primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing is _______
The primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing is _______
In some cases, Richwill resin may need _______
In some cases, Richwill resin may need _______
Lasers are mainly used for debonding _______ restorations
Lasers are mainly used for debonding _______ restorations
Back-action instruments are mainly indicated for removing _______ restorations
Back-action instruments are mainly indicated for removing _______ restorations
The success rate of Richwill resin method is 100% for removing _______ cemented restorations
The success rate of Richwill resin method is 100% for removing _______ cemented restorations
Decementing with Richwill resin is contraindicated if the opposing tooth or the restoration are lacking _______
Decementing with Richwill resin is contraindicated if the opposing tooth or the restoration are lacking _______
Fixed dental constructions possess a predefined period of use. Most often they are removed by means of ______ after which they are unusable.
Fixed dental constructions possess a predefined period of use. Most often they are removed by means of ______ after which they are unusable.
Cases, when due to a mistake, removal must be implemented immediately after ______.
Cases, when due to a mistake, removal must be implemented immediately after ______.
According to literature data, the average life duration of crowns is ______ years.
According to literature data, the average life duration of crowns is ______ years.
In the second group of clinical situations, we can observe two main approaches: 2.1. Without preserving the construction. 2.2. With preserving the ______.
In the second group of clinical situations, we can observe two main approaches: 2.1. Without preserving the construction. 2.2. With preserving the ______.
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during ______?
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during ______?
Which technique involves making a small access hole through the prosthesis?
Which technique involves making a small access hole through the prosthesis?
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding ______?
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding ______?
What may be necessary to remove present-day adhesively bonded all-ceramic ______?
What may be necessary to remove present-day adhesively bonded all-ceramic ______?
What is emphasized as the average life duration in the ______?
What is emphasized as the average life duration in the ______?
What may render a restoration totally unusable during ______?
What may render a restoration totally unusable during ______?
What are the two main approaches observed in the second group of clinical ______?
What are the two main approaches observed in the second group of clinical ______?
What can be used to remove fixed dental constructions using special scalar tips without damaging the ______?
What can be used to remove fixed dental constructions using special scalar tips without damaging the ______?
Semi-conservative techniques involve making a small access hole through the prosthesis. They are more convenient for patients, time-savers, force is inflicted less traumatically, restorations may be reused as provisional ones. The hole can be obturated using ______ materials.
Semi-conservative techniques involve making a small access hole through the prosthesis. They are more convenient for patients, time-savers, force is inflicted less traumatically, restorations may be reused as provisional ones. The hole can be obturated using ______ materials.
Different instruments are developed for access through the hole made in semi-conservative techniques. The tooth is used as an anchor point, while the traction force is applied on the prosthesis. That breaks down the ______ agent.
Different instruments are developed for access through the hole made in semi-conservative techniques. The tooth is used as an anchor point, while the traction force is applied on the prosthesis. That breaks down the ______ agent.
Destructive techniques with full destruction of the restoration involve sectioning restorations with a diamond and/or tungsten-carbide bur. The technique can be combined with an ultrasound instrument to disrupt the ______ layer.
Destructive techniques with full destruction of the restoration involve sectioning restorations with a diamond and/or tungsten-carbide bur. The technique can be combined with an ultrasound instrument to disrupt the ______ layer.
Present-day adhesively bonded all-ceramic restorations may be extremely difficult to remove. A cut through the lingual surface might be necessary as well which renders the restoration totally ______.
Present-day adhesively bonded all-ceramic restorations may be extremely difficult to remove. A cut through the lingual surface might be necessary as well which renders the restoration totally ______.
Inserting a crown spreader/lever or the special Mitchell’s trimmers in the groove made on the surface of the restoration, using rotational moves split is spread evenly, and The rod may easily shift away from the long axis of the tooth ______ layer breaks down.
Inserting a crown spreader/lever or the special Mitchell’s trimmers in the groove made on the surface of the restoration, using rotational moves split is spread evenly, and The rod may easily shift away from the long axis of the tooth ______ layer breaks down.
Other instruments are Christen-son Crown Remover trimmers. The crown spreads evenly, reducing the tension on the tooth/core when using levers and ______.
Other instruments are Christen-son Crown Remover trimmers. The crown spreads evenly, reducing the tension on the tooth/core when using levers and ______.
The technique of making a small access hole through the prosthesis is a part of the ______ techniques for restoration removal.
The technique of making a small access hole through the prosthesis is a part of the ______ techniques for restoration removal.
The method of applying traction force on the prosthesis to break down the luting agent is a characteristic of ______ techniques for restoration removal.
The method of applying traction force on the prosthesis to break down the luting agent is a characteristic of ______ techniques for restoration removal.
Destructive techniques with full destruction of the restoration often involve sectioning restorations with a diamond and/or ______ bur.
Destructive techniques with full destruction of the restoration often involve sectioning restorations with a diamond and/or ______ bur.
The technique of sectioning restorations with a diamond and/or tungsten-carbide bur can be combined with an ultrasound instrument to disrupt the ______ layer.
The technique of sectioning restorations with a diamond and/or tungsten-carbide bur can be combined with an ultrasound instrument to disrupt the ______ layer.
Present-day adhesively bonded all-ceramic restorations may be extremely difficult to remove, and a cut through the lingual surface might be necessary, rendering the restoration totally ______.
Present-day adhesively bonded all-ceramic restorations may be extremely difficult to remove, and a cut through the lingual surface might be necessary, rendering the restoration totally ______.
Inserting a crown spreader/lever or the special Mitchell’s trimmers in the groove made on the surface of the restoration is a step in the removal process where the tooth/core tension is reduced and the ______ layer breaks down.
Inserting a crown spreader/lever or the special Mitchell’s trimmers in the groove made on the surface of the restoration is a step in the removal process where the tooth/core tension is reduced and the ______ layer breaks down.
Study Notes
Learning Goals
- Serve to clarify objectives and expected outcomes for practice and study in dental prosthetics.
Clinical Situations & Approaches
- Two main approaches for the second group of clinical situations: preserving the construction and not preserving the construction.
Crown Lifespan
- Average lifespan of dental crowns ranges around 10 years according to literature data.
Immediate Removal Situations
- Immediate removal of fixed prosthetic restorations often occurs when a mistake was made during cementing.
Methods for Removal
- Primary method for removing fixed dental constructions from cementing errors involves breaking down the luting agent.
- Semi-conservative techniques can include making small access holes for restoration removal.
Reasons for Immediate Removal
- Key reason for urgent removal post-cementing: restore proper function and safety when an issue is detected.
Groups of Clinical Situations
- The clinical situations are categorized primarily into two groups: those with the intention to preserve restorations and those without.
Removal Techniques
- Techniques range from conservative, allowing re-cementation, to destructive, requiring full removal and replacement.
Tools and Instruments
- Crown spreaders or levers can be used for marginal engagement during restoration removal.
- Special scalers may also assist in removing dental constructions without causing damage.
- Spring-loaded semi-automatic removers provide precise control over force applied in restorations removal.
Temporary Restorations
- Provisional restorations are possible using materials from semi-conservative techniques.
Impact of Treatments
- Laser techniques, such as Er, Cr: YSGG, are effective for removing all-ceramic restorations but can be time-consuming and may lead to fractures or damage if not managed properly.
Contraindications
- Use of certain instruments may be contraindicated in patients with Hepatitis B, herpes simplex, or cardiac pacemakers.
Composite Applications
- Richwill resin serves as a water-soluble thermoplastic material for temporary or permanent restoration removal.
Disadvantages
- Discomfort or harm to the periodontal ligament can arise from back-action instruments with weight.
- Lasers, while effective, may have limitations and risks including comfort and procedural time.
Semi-Conservative Techniques
- Involves strategies like making a small access hole and applying less traumatic forces to reuse restorations.
Destructive Techniques
- Require full restoration sectioning and substantial breakdown of bonding layers, often with risks of making restorations unusable.
Importance of Technique Selection
- Decisions in restoration removal impact not only patient outcomes but also the longevity and usability of the dental constructions.
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Description
Test your knowledge of minimally invasive dentistry techniques with this quiz. Explore semi-conservative approaches with partial destruction of restorations, small access holes through prostheses, and the reuse of restorations as provisional ones.
