Endo ABGD
Dentin to pulp layers (5) - correct answer ✔1. Pulp
2. Cell-rich zone
3. Odontoblasts
4. Predentin
5. Dentin
mantle dentin - correct answer ✔the first predentin that is formed and
matures within the tooth.
In crown portion
circumpulpal dentin - correct answer ✔major part of dentin.
Intertubular dentin
Peritubular dentin
Predentin - correct answer ✔unmineralized dentin.
Type 1 collagen
secondary dentin - correct answer ✔Dentin that forms after eruption and
continues at a very slow rate throughout the life of the tooth.
tertiary dentin - correct answer ✔Dentin that forms in response to irritation.
Reactionary - original odontoblasts.
Reparative - replacement odontoblasts
, dentin by volume % - correct answer ✔45% inorganic - hydroxyapatite
crystals
33% organic - collagen and ground tissue
22% water - dentinal fluid
Increase contrast - correct answer ✔Decrease kVp
increase density - correct answer ✔Increase time
Condensing osteitis (focal sclerosing osteomyelitis) - correct answer
✔Localized overproduction of bone.
Apices of mandibular posterior teeth.
A low-grade inflammation occurs the periradicular tissues.
Chronic pulpitis or pulp necrosis.
Cross-sectional parts of file - correct answer ✔Radial land
Rake angle
Flutes
Width of size 1 and size 2 gates gliddens - correct answer ✔Size 1 - 0.5mm
(#50)
Size 2 - 0.7mm (#70)
Bactria that cause retreatments - correct answer ✔E. Faecalis
NaOCl purpose (6) - correct answer ✔1. Removes the organic portion of the
smear layer.
Dentin to pulp layers (5) - correct answer ✔1. Pulp
2. Cell-rich zone
3. Odontoblasts
4. Predentin
5. Dentin
mantle dentin - correct answer ✔the first predentin that is formed and
matures within the tooth.
In crown portion
circumpulpal dentin - correct answer ✔major part of dentin.
Intertubular dentin
Peritubular dentin
Predentin - correct answer ✔unmineralized dentin.
Type 1 collagen
secondary dentin - correct answer ✔Dentin that forms after eruption and
continues at a very slow rate throughout the life of the tooth.
tertiary dentin - correct answer ✔Dentin that forms in response to irritation.
Reactionary - original odontoblasts.
Reparative - replacement odontoblasts
, dentin by volume % - correct answer ✔45% inorganic - hydroxyapatite
crystals
33% organic - collagen and ground tissue
22% water - dentinal fluid
Increase contrast - correct answer ✔Decrease kVp
increase density - correct answer ✔Increase time
Condensing osteitis (focal sclerosing osteomyelitis) - correct answer
✔Localized overproduction of bone.
Apices of mandibular posterior teeth.
A low-grade inflammation occurs the periradicular tissues.
Chronic pulpitis or pulp necrosis.
Cross-sectional parts of file - correct answer ✔Radial land
Rake angle
Flutes
Width of size 1 and size 2 gates gliddens - correct answer ✔Size 1 - 0.5mm
(#50)
Size 2 - 0.7mm (#70)
Bactria that cause retreatments - correct answer ✔E. Faecalis
NaOCl purpose (6) - correct answer ✔1. Removes the organic portion of the
smear layer.
