口腔颌面医学影像诊断学中山大学2.牙及牙周疾病
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• Radiolucent:
– Structures with lower object density, such as older composites and bonding agents
porcelain crowns
crown cast post
crown
amalgam
gutta percha
(SLOB)
Tubehead movement Lingual object Buccal object
premolar
molar
molar
premolar
tubehead
canine tubehead
incisor
canine
premolar
2020/9/20
tubehead
I
IM
M
I = 浅龋 M=中龋 S = 深龋
S
浅龋
深龋
咬合面龋
根面龋
继发龋
继发龋
继发龋
猛性龋
猛性龋
2020/9/20
牙髓结石
2020/9/20
牙髓钙化
2020/9/20
牙内吸收
慢性根尖脓肿
2020/9/20
根尖肉芽肿
根尖囊肿
2020/9/20
致密性骨炎
2020/9/20
silver points
Red arrows point to bases Green arrow indicates recurrent caries with fractured restoration
Buccal Object Rule
Same Lingual Opposite Buccal
ii浅龋m中龋s深龋smim浅龋深龋咬合面龋根面龋继发龋继发龋继发龋猛性龋猛性龋牙髓结石牙髓钙化牙内吸收根尖肉芽肿根尖囊肿慢性根尖脓肿致密性骨炎埋伏多生牙正常牙槽嵴顶上的皮质影mildadultperiodontitismoderateadultperiodontitisredarrowspointtocalculusmoderateadultperiodontitissevereadultperiodontitissevereadultperiodontitissevereadultperiodontitis修复材料的影像学表现radiopaque
埋伏多生牙
正常牙槽嵴顶上的皮质影
2020/9/20
Mild adult periodontitis
Moderate adult periodontitis
(red arrows point to calculus)
Moderate adult periodontitis
Severe adult periodontitis
Severe adult periodontitis
Severe adult periodontitis
修复材料的影像学表现
• Radiopaque:
– Structures with higher object density, such as amalgam, gold, silver points, pins, gutta percha, porcelain
– Structures with lower object density, such as older composites and bonding agents
porcelain crowns
crown cast post
crown
amalgam
gutta percha
(SLOB)
Tubehead movement Lingual object Buccal object
premolar
molar
molar
premolar
tubehead
canine tubehead
incisor
canine
premolar
2020/9/20
tubehead
I
IM
M
I = 浅龋 M=中龋 S = 深龋
S
浅龋
深龋
咬合面龋
根面龋
继发龋
继发龋
继发龋
猛性龋
猛性龋
2020/9/20
牙髓结石
2020/9/20
牙髓钙化
2020/9/20
牙内吸收
慢性根尖脓肿
2020/9/20
根尖肉芽肿
根尖囊肿
2020/9/20
致密性骨炎
2020/9/20
silver points
Red arrows point to bases Green arrow indicates recurrent caries with fractured restoration
Buccal Object Rule
Same Lingual Opposite Buccal
ii浅龋m中龋s深龋smim浅龋深龋咬合面龋根面龋继发龋继发龋继发龋猛性龋猛性龋牙髓结石牙髓钙化牙内吸收根尖肉芽肿根尖囊肿慢性根尖脓肿致密性骨炎埋伏多生牙正常牙槽嵴顶上的皮质影mildadultperiodontitismoderateadultperiodontitisredarrowspointtocalculusmoderateadultperiodontitissevereadultperiodontitissevereadultperiodontitissevereadultperiodontitis修复材料的影像学表现radiopaque
埋伏多生牙
正常牙槽嵴顶上的皮质影
2020/9/20
Mild adult periodontitis
Moderate adult periodontitis
(red arrows point to calculus)
Moderate adult periodontitis
Severe adult periodontitis
Severe adult periodontitis
Severe adult periodontitis
修复材料的影像学表现
• Radiopaque:
– Structures with higher object density, such as amalgam, gold, silver points, pins, gutta percha, porcelain