106 Questions
What is the purpose of the Learning Goals mentioned in the text?
To mention indications for debonding prosthesis
According to the text, what are the two main approaches observed in the second group of clinical situations?
Without preserving the construction
What is the average life duration of crowns according to literature data?
7-8 years
In which clinical situation does immediate removal of fixed prosthetic restorations usually occur?
When a mistake occurs during cementing
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing?
Sectioning
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
To correct a mistake made during cementing
What are the two groups of clinical situations mentioned in the text?
Cases when due to a mistake, removal must be implemented immediately after cementing and when the cement has reached its maximal hardness qualities and strength potential
What is emphasized as the average life duration in the text?
7-8 years
What is stated about fixed dental constructions?
They possess a predefined period of use
According to the text, what are the two main approaches observed in the second group of clinical situations?
With preserving the construction
Which technique involves making a small access hole through the prosthesis?
Semi-conservative techniques with partial destruction of the restoration
What is a possible method of disrupting the luting cement layer during restoration removal?
Sectioning with a diamond and/or tungsten-carbide bur
What may be necessary to remove present-day adhesively bonded all-ceramic restorations?
Cut through the lingual surface
What instrument may be used to insert into the groove on the surface of the restoration for removal?
Special Mitchell’s trimmers
Which technique involves applying traction force on the prosthesis to break down the luting agent?
Semi-conservative techniques with partial destruction of the restoration
What is used to reduce the tension on the tooth/core when removing restorations?
Christen-son Crown Remover trimmers
What may render a restoration totally unusable during removal?
Cut through the lingual surface
What breaks down the luting agent in semi-conservative techniques?
Traction force applied on the prosthesis
Which technique involves inserting a crown spreader/lever in the groove made on the surface of the restoration for removal?
Destructive techniques with full destruction of the restoration
What may be used as provisional restorations in semi-conservative techniques?
Composite materials
What instruments may be developed for access through the hole made in semi-conservative techniques?
Special Mitchell’s trimmers
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
Sectioning with a diamond and/or tungsten-carbide bur
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
Decementing with Richwill resin
Which technique involves the application of lasers such as Er, Cr: YSGG 2780 nm for the safe removal of all ceramic restorations?
Laser technique
What instrument type is manually compressed and released to deliver the impact force for removing restorations?
Spring loaded back-action remover
What may be a disadvantage of using back-action instruments with a weight for restoration removal?
May cause discomfort and luxation of the periodontal ligament
Which method is contraindicated in patients with Hepatitis B and herpes simplex, as well as in patients with cardiac pacemakers?
Ultrasonic technique
Which technique allows the dentist to re-cement the construction after adjustments?
Semi-conservative techniques
What is a potential disadvantage of using lasers for restoration removal?
Hazardous for hard and soft tissues if the tip is not positioned appropriately
Which technique aims at breaking down the luting cement layer and allows for re-cementation of the restoration?
$\text{More conservative techniques}$
What can be used to remove fixed dental constructions using special scalar tips without damaging the restoration?
Decementing with Richwill resin
Which technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Back-action instruments with a weight
Which technique allows for better directional control over the force delivered during restoration removal?
Spring loaded Semi-automatic remover
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?
Ultrasonic technique
What are the indications for debonding prosthesis?
Mistake during cementing or when the cement has reached its maximal hardness qualities and strength potential
How can available techniques for prosthesis debonding be classified?
With preserving the construction and without preserving the construction
What is the average life duration of crowns according to literature data?
7-8 years
What technique allows for re-cementation of the restoration after breaking down the luting agent?
Semi-conservative techniques
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
Thermoplastic resin technique
What is the potential disadvantage of using lasers for restoration removal?
Ceramic veneering fracture and damage to the pulp
What technique involves applying traction force on the prosthesis to break down the luting agent?
Traction technique
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
Mistake during cementing
What instrument may be used to insert into the groove on the surface of the restoration for removal?
Ultrasonic instrument
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Back-action instrument with a weight
What may be necessary to remove present-day adhesively bonded all-ceramic restorations?
Crown spreader/lever
What is the purpose of the Learning Goals mentioned in the text?
To develop the ability to mention indications for debonding prosthesis, classify available techniques for prosthesis debonding, and mention the advantages and disadvantages of each technique
What are the four main groups that the removal of a prosthetic construction is divided into?
Biological, Mechanical, Aesthetical, Cementing agent
What is the potential disadvantage of using lasers for restoration removal?
Hazardous for hard and soft tissues if the tip is not positioned appropriately.
What may be contraindicated in patients with Hepatitis B and herpes simplex, as well as in patients with cardiac pacemakers?
Ultrasound techniques
What technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Back-action instruments with a weight
What are the two main approaches observed in the second group of clinical situations?
Destructive and Conservative techniques
What technique involves using a water-soluble thermoplastic resin to remove temporarily and permanently fixed restorations?
Decementing with Richwill resin
What technique allows for the dentist to re-cement the construction after adjustments?
Semi-conservative techniques
What is used to reduce the tension on the tooth/core when removing restorations?
Crown spreader/lever
What may render a restoration totally unusable during removal?
Fractured porcelain
Which technique involves making a small access hole through the prosthesis?
Semi-conservative techniques
What may be used as provisional restorations in semi-conservative techniques?
Richwill resin
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
Decementing with Richwill resin
What instruments are developed for access through the hole made in semi-conservative techniques?
Different instruments
What may render a restoration totally unusable during removal?
A cut through the lingual surface
What technique involves making a small access hole through the prosthesis?
Semi-conservative techniques with partial destruction of the restoration
What is emphasized as the average life duration in the text?
Average life duration of crowns
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing?
Using a water-soluble thermoplastic resin
What instrument type is manually compressed and released to deliver the impact force for removing restorations?
Christen-son Crown Remover trimmers
Which technique involves engaging the margins of the restoration with a tip attached to a shaft that has a sliding weight?
Destructive techniques with full destruction of the restoration
What technique involves the application of lasers such as Er, Cr: YSGG 2780 nm for the safe removal of all ceramic restorations?
Laser-assisted techniques
Which technique allows for better directional control over the force delivered during restoration removal?
Semi-conservative techniques with partial destruction of the restoration
What is used to reduce the tension on the tooth/core when removing restorations?
Crown spreader/lever or the special Mitchell’s trimmers
What is the main reason for removing fixed dental constructions immediately after cementing in some cases?
To avoid damage to the pulp
What method can be combined with an ultrasound instrument for disrupting the luting cement layer?
Sectioning with a diamond and/or tungsten-carbide bur
The technique for removing prosthetic restorations using special scalar tips is called _______
Ultrasonic
Richwill resin is a _______ used to remove temporarily and permanently fixed restorations
water-soluble thermoplastic resin
Lasers such as Er, Cr: YSGG 2780 nm may be used for the safe removal of _______ restorations
all ceramic
Back-action instruments with a weight are used for removing _______ restorations
temporarily cemented
Back-action instruments with a weight may cause discomfort and _______ of the periodontal ligament
luxation
Spring loaded semi-automatic removers have better _______ over the force delivered
directional control
The primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during cementing is _______
destructive techniques
In some cases, Richwill resin may need _______
repetition
Lasers are mainly used for debonding _______ restorations
all-ceramic
Back-action instruments are mainly indicated for removing _______ restorations
temporarily cemented
The success rate of Richwill resin method is 100% for removing _______ cemented restorations
temporarily
Decementing with Richwill resin is contraindicated if the opposing tooth or the restoration are lacking _______
stability
Fixed dental constructions possess a predefined period of use. Most often they are removed by means of ______ after which they are unusable.
sectioning
Cases, when due to a mistake, removal must be implemented immediately after ______.
cementing
According to literature data, the average life duration of crowns is ______ years.
7-8
In the second group of clinical situations, we can observe two main approaches: 2.1. Without preserving the construction. 2.2. With preserving the ______.
construction
What is the primary method mentioned for removing fixed dental constructions from cases where a mistake occurred during ______?
cementing
Which technique involves making a small access hole through the prosthesis?
semi-conservative techniques
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 is emphasized as the average life duration in the ______?
text
What may render a restoration totally unusable during ______?
removal
What are the two main approaches observed in the second group of clinical ______?
situations
What can be used to remove fixed dental constructions using special scalar tips without damaging the ______?
restoration
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.
composite
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.
luting
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.
cement
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 ______.
unusable
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.
cement
Other instruments are Christen-son Crown Remover trimmers. The crown spreads evenly, reducing the tension on the tooth/core when using levers and ______.
trimmers
The technique of making a small access hole through the prosthesis is a part of the ______ techniques for restoration removal.
semi-conservative
The method of applying traction force on the prosthesis to break down the luting agent is a characteristic of ______ techniques for restoration removal.
semi-conservative
Destructive techniques with full destruction of the restoration often involve sectioning restorations with a diamond and/or ______ bur.
tungsten-carbide
The technique of sectioning restorations with a diamond and/or tungsten-carbide bur can be combined with an ultrasound instrument to disrupt the ______ layer.
cement
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 ______.
unusable
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.
cement
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.
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