Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

BDS - Module 9 > 7. Endodontics > Flashcards

7. Endodontics Flashcards

(74 cards)

Start Studying
1
Q

What should you use before filling a deep cavity?

A

A lining material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

List 3 types of liners:

A

Dycal
Vitrebond
Ionoseal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What type of material is dycal?

A

Calcium hydroxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What type of material is vitrebond?

A

Resin modified glass ionomer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is pulp capping?

A

Covering over an exposed pulp with material. Aims to form a dentine bridge by inducing the formation of tertiary dentine.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What two materials can you use for pulp capping?

A

MTA - mineral trioxide aggregate
Bio dentine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is sensibility testing?

A

A type of test used to confirm diagnosis by reproducing the symptoms reported by the patient.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Give two examples of sensibility tests:

A

Thermal test
Electric pulp test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does a normal response to sensibility testing suggest?

A

Vital tooth or reversible pulpitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does an intense, prolonged respond to sensibility test suggest?

A

Irreversible pulpitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does no response to sensibility test suggest?

A

Pulpal necrosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the possible pulpal diagnosises?

A
  1. Normal
  2. Reversible pulpitis
  3. Irreversible pulpitis
  4. Pulpal necrosis
  5. Previous RCT
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Reversible Pulpitis:
Signs
Tx

A

Short, sharp pain that is triggered
No radiogrpahic changes apically
Tx: removal of cause of pulpal irritation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Symptomatic Irreversbile Pulpitis

A

Sharp, lingering pain
Spontaneous or triggered by normal stimulus
TX: RCT or XLA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Asymptomatic Irreverbile Pulpitis

A

No symptoms
Normal response to sensibility tests
TX: RCT or XLA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Pulpal Necrosis

A

Asymptomatic until inflammation reaches periapical tissues
No response to sensibility tests
TX: RCT or XLA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

List the 5 periapical diagnosises:

A
  1. Normal
  2. Symptomatic periapcial periodontitis
  3. Asymptomatic periapical periodontitis
  4. Acute periapical abscess
  5. Chronic periapical abscess
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Symptomatic Periapical Periodntitis

A

Pain on biting
TTP
tender to paltpation
PDL widening/PA pathology present radiographically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Asymptomatic Periapical Periodontitis

A

Asymptomatic
Not TTP
Non sensitive to palpation
PA pathology radiographically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Acute Periapical Abscess

A

Rapid onset
Localised pain
Pus
Mobility
Systemic involvement
Swelling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Chronic Periapical Abscess

A

Asymptomatic
Not TTP
Sinus present
No response to sensibility tests
Radiolucency present

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Dentine hypersensitivity

A

Exaggerated sharp pain of no other cause

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Tooth fractures

A

Pain on biting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

File Sequence for RCT and colours of each:

A

SX- gold short file
Cleaning and Shaping:
S1 - purple
S2 - grey
Finishing:
F1 - yellow
F2 - red
F3 - blue
F4 - black
F5 - black and gold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Final irrigation sequence:
3ml sodium hypochlorite 3ml citric acid 3ml sodium hypochlorite
26
Endo Dressing sequence:
Non setting calcium hydroxide Cotton wool + coltosol GI restoration
27
List 2 ways you can determine working length?
Radiographically Electronic apex locator
28
Obturation Sequence (cold lateral compaction)
1. Remove dressing 2. Irrigate 3. Trail Radiogrpah with master cone to length 4. Insert main cone + sealer 5. Insert finger spreader 6. Remove finger spreader 7. Insert multiple accessory cones until full 8. Remove excess GP and compact 9. Restore
29
Indications for RCT:
If the dental pulp is irreversibly damaged E.g irreversible pulpiitis Pulpal necrosis Periapical disease
30
Contraindications for RCT:
Insufficient periodontal support Non restorable teeth Vertical root fractures Non functional teeth
31
What can cause pulpal inflammation?
Presence of micro organisms Mechanical trauma Chemical irritation
32
Common route of root cancel infection:
Caries Mechanical injury Trauma
33
How many roots do incisors have?
One
34
How can roots do canine s have?
One
35
What many roots do first premolars have?
Upper = two Lower = one
36
How many roots do second premolars have?
One
37
How many roots do upper molars have?
Three (medial, distal,palatal)
38
How many roots do lower molars have?
Two (medial and distal)
39
What shape is the access cavity for incisors and canines?
Triangular
40
What shape is the access cavity for premolars ?
Oval
41
What shape is the access cavity for molars?
Square (ish)
42
What are the two types of endodontic files?
Stainless Steel: hand Nickel titanium: rotary
43
List the two irrigants used for anti microbial purposes:
3% sodium hypochlorite Or 2% chlorohexidine
44
List the two irrigants used to remove the smear layer:
Citric acid Or EDTA
45
What is the purpose of non setting calcium hydroxide in endodontics?
Antibacterial action Reduces inflammation
46
What are the two materials used when obturating?
Gutta Percha Sealer
47
List 3 different types of Endodontic sealer:
Zinc oxide Eugenol Calcium hydroxide Glass ionomer
48
List 4 restorative options following RCT:
Onlays Crowns Core and crown Post crowns
49
List the 3 common causes of inter appintment pain during RCT:
1. Endodontic flare up 2. Pain following cleaning and shaping 3. Extrusion of irrigant
50
List the 6 causes of pain following obturation:
High restoration Over instrumentation Over filling with GP loss of apical constriction Toxicity of sealer for 24-48 hours Root fracture
51
List the 4 causes of pain following RCT:
Incomplete apical seal Traumatic occlusion Tooth fracture Inadequate coronal seal
52
List the 3 stages of endodontic re treatment:
1. Access the root canal system 2. Remove root canal filling materials 3. RCT retreatment
53
List the 4 principles for Removing direct restorations for endodontic retreatment:
1. Remove all caries 2. Reduce supported cusps 3. Assess restorability 4. Assess isolation
54
List the two options for endondtic retreatment if an indirect restoration is present:
1. Access through restoration if restoration quality is good 2. Remove the crown completely if restoration quality is poor
55
What is the process of removing a crown?
1. Take sectional putty impression - to allow temporary to be made 2. Section crown in two and remove
56
What burs would you use to section a crown?
Diamond fissure - porecelain Tungsten carbide - metal
57
List 3 methods of removing post crowns:
Ultrasonic energy Post pulling devices Specific kits
58
List 5 methods of removing root canal filling materials in preparation for retreatment:
Pro taper retreatment files Pro taper gold files Headstrong files Solvents Ultrasonics
59
What are the stages involved in surgical endodontics?
1. Pre op medications: antiinflmmaotries and antibacterial rinse 2. Anaesthesia 3. Flap cut 4. Osteotomy: removal of bone to expose root 5. Root end resection 6. Root End Filling 7. Flap sutured
60
List the 5 types of Resorption:
1. External Root Resorption 2. Cervical Resoprotion 3. Internal Root Resorption 4. Pressure Root Resorption 5. Ankylosis Root Resorption
61
External Root Resorption: Definition and Tx
Resorption effecting the external root surface TX: RCT as soon as noticed
62
Cervical Resorption: definition and Tx
Asymptomatic Pink tooth +ve sensibility TX: restore or RCT if communication with pulp
63
Internal Root Resorption: Definition and Tx
Resorption effecting the root canal walls Pink crown Radiolucency oval in root canal TX: RCT
64
Pressure Root Resprotion: Definition and Tx
Apical root resorption due to pressure applied during tooth movement Asymptomatic Vital Shortened roots
65
Ankylosis Root Resorption: Definition and Tx
Lack of mobility Metallic percussion sound TX: ? unpredictably asscoiated
66
List 4 common complications of endodontics:
Fractured instruments Ledges Canal blockages Canal transportations
67
What should you do if you fracture a file in a root canal?
If can be bypassed - continue If not and it is placed in apical 1/3 - leave file alone If not and it is placed in middle or coronal 1/3 - remove if straight line access is possible
68
List 6 methods of removing a fractured file:
H files Gripping devices Excavators Ultrasonics Tube system BTR pen
69
How to manage a ledge formation in endodontics:
1. Locate ledge 2. Preprare canal 1-2mm short of ledge 3. Irrigate with chelater and sodium hypochlorite 4. Probe with hand files 5. Complete preparation
70
How would you manage a canal blockage in endodontics?
1. Locate blockage 2. Prepare canal 1-2mm short of blockage 3. Irrigate with chelater and NaOCl 4. Use hand file and chelater paste and rotate file 5. Irrigate 6. Repeat until removed
71
List the 3 indications for RCT retreatment:
Persitant PA pathology following RCT New PA pathology associated with a RCT tooth Inadequate root canal filling
72
List the 4 indications for surgical endodontics:
Failure of previous endodontic tx and retreatment not an option Anatomical deviations preventing normal Endo Tx Previous Procedural errors caused by previous operator Exploration to find fractures
73
List the 8 contraindications for surgical Endo:
Proximity to neurovascular bundles Thick bone Difficult access Inadequate periodontal support Non restorable teeth Blood disorders Recent heart attack Cancer Tx patients
74
List 3 causes of resorption:
Injury Idiopathic Systemic diseases

BDS - Module 9 (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions