Podcast
Questions and Answers
What characterizes Class V cavities?
What characterizes Class V cavities?
- They occur in pit areas of the teeth.
- They occur in the gingival third of buccal and lingual surfaces. (correct)
- They are exclusively found on the incisal edges of anterior teeth.
- They are complex and involve multiple surfaces.
Which of the following descriptions matches Class VI cavities?
Which of the following descriptions matches Class VI cavities?
- Cavities located in the anatomical pits of the upper incisors.
- Cavities that involve three or more surfaces.
- Cavities occurring exclusively on the mesial surfaces.
- Cavities on the incisal edge of anterior teeth and occlusal cusp tips. (correct)
Which of the following is a characteristic of simple cavities?
Which of the following is a characteristic of simple cavities?
- They can only be classified as Class IV.
- They always involve the buccal surface.
- They include cavities with more than two surfaces.
- They occur in one surface only. (correct)
What is a defining feature of complex cavities?
What is a defining feature of complex cavities?
Which classification includes stages based on the severity of dental lesions?
Which classification includes stages based on the severity of dental lesions?
In the Mount and Hume Classification, what does Stage 0 represent?
In the Mount and Hume Classification, what does Stage 0 represent?
Which classification of cavities involves considering both the site and size of the lesion?
Which classification of cavities involves considering both the site and size of the lesion?
Which of the following is true about Class IV cavities?
Which of the following is true about Class IV cavities?
Which class of cavities is defined by pit and fissure lesions occurring on the occlusal surface of molars and premolars?
Which class of cavities is defined by pit and fissure lesions occurring on the occlusal surface of molars and premolars?
What defines a Class II cavity according to Black's classification?
What defines a Class II cavity according to Black's classification?
Class III cavities are primarily associated with which of the following?
Class III cavities are primarily associated with which of the following?
Which class of cavities is defined by caries that are extensive enough to involve the incisal angle of the teeth?
Which class of cavities is defined by caries that are extensive enough to involve the incisal angle of the teeth?
Which classification primarily considers the anatomical location of the cavity?
Which classification primarily considers the anatomical location of the cavity?
What is the purpose of a cavity preparation according to Black's classification?
What is the purpose of a cavity preparation according to Black's classification?
In Black's classification, Class I cavities are most likely to be found in which location?
In Black's classification, Class I cavities are most likely to be found in which location?
Which class of cavities includes lesions that originate on the smooth surfaces of anterior teeth affecting the incisal edge?
Which class of cavities includes lesions that originate on the smooth surfaces of anterior teeth affecting the incisal edge?
What is the Enamel Wall in cavity preparation?
What is the Enamel Wall in cavity preparation?
What is the significance of the Dentino-Enamel Junction (DEJ) in cavity preparations?
What is the significance of the Dentino-Enamel Junction (DEJ) in cavity preparations?
Where would the cavo-surface margin typically be located for a cavity in a posterior tooth?
Where would the cavo-surface margin typically be located for a cavity in a posterior tooth?
In Black's Classification, what type of cavity is primarily found on the occlusal surfaces of posterior teeth?
In Black's Classification, what type of cavity is primarily found on the occlusal surfaces of posterior teeth?
Which of the following best describes the isthmus portion in cavity preparation?
Which of the following best describes the isthmus portion in cavity preparation?
What does the Cemento-Enamel Junction (CEJ) refer to in dental terms?
What does the Cemento-Enamel Junction (CEJ) refer to in dental terms?
What area typically represents the cervical areas related to gingival tissues in cavity preparations?
What area typically represents the cervical areas related to gingival tissues in cavity preparations?
Which class of cavity symptoms typically manifests in contact areas between teeth?
Which class of cavity symptoms typically manifests in contact areas between teeth?
Flashcards
Class V Cavities
Class V Cavities
Smooth surface lesions on the gingival third of buccal and lingual surfaces of all teeth, excluding pits on upper incisors.
Class VI Cavities
Class VI Cavities
Cavities on the incisal edge of anterior teeth and occlusal cusp heights/tips of posterior teeth.
Simple Cavity
Simple Cavity
Involves only one surface of a tooth.
Compound Cavity
Compound Cavity
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Complex Cavity
Complex Cavity
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ICDAS
ICDAS
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Mount and Hume Classification
Mount and Hume Classification
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Site 1 (Mount & Hume)
Site 1 (Mount & Hume)
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Site 2 (Mount & Hume)
Site 2 (Mount & Hume)
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Site 3 (Mount & Hume)
Site 3 (Mount & Hume)
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Stage 0 (Mount & Hume)
Stage 0 (Mount & Hume)
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Stage 1 (Mount & Hume)
Stage 1 (Mount & Hume)
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Stage 2 (Mount & Hume)
Stage 2 (Mount & Hume)
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Stage 3 (Mount & Hume)
Stage 3 (Mount & Hume)
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Stage 4 (Mount & Hume)
Stage 4 (Mount & Hume)
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Enamel Wall
Enamel Wall
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Dentin Wall
Dentin Wall
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Dentino-Enamel Junction (DEJ)
Dentino-Enamel Junction (DEJ)
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Cemento-Enamel Junction (CEJ)
Cemento-Enamel Junction (CEJ)
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Cavo-Surface Angle
Cavo-Surface Angle
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Cavo-Surface Margin
Cavo-Surface Margin
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Isthmus Portion
Isthmus Portion
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Study Notes
Cavity Classification
- Class V Cavities:
- Smooth surface lesions on the gingival third of buccal and lingual surfaces of all teeth
- Excludes cavities in pits on the palatal surfaces of upper incisors
- Class VI Cavities:
- Cavities on the incisal edge of anterior teeth and occlusal cusp heights or tips of posterior teeth
- Added to Black's classification
- Numerical Classification:
- Simple Cavities: One surface involved, eg. simple occlusal (O), simple buccal (B), simple mesial (M)
- Compound Cavities: Two surfaces involved, eg. occluso-mesial (OM), occluso-buccal (OB), disto-lingual (DL), mesio-palatal (MP)
- Complex Cavities: More than two surfaces involved, eg. mesio-occluso-distal (MOD), occluso-bucco-lingual (OBL), mesio-bucco-palatal (MBP)
- Class I, II, and III can be simple, compound, or complex
- Class V is always simple and Class IV is always complex
ICDAS (International Caries Detection and Assessment System)
- Classifies cavities based on severity of the lesion
Mount and Hume Classification (Si/Sta Classification)
- Focuses on minimal intervention in cavity treatment
- Three main surfaces of the crown can be affected by caries
- Takes into account lesion size and location
- Sites:
- Site 1: Pits and fissures
- Site 2: Contact areas
- Site 3: Cervical areas, including exposed root surfaces
- Stages:
- Stage 0: Initial lesion, not yet cavitated
- Stage 1: Smallest minimal lesion requiring intervention
- Stage 2: Moderate-sized cavity, sufficient sound tooth structure remains
- Stage 3: Extensive cavity, needs modification and enlargement
- Stage 4: Extensive cavity, loss of cusp
Cavity Preparation Nomenclature
- Enamel Wall: Portion of a prepared cavity consisting of enamel
- Dentin Wall: Portion of the wall of a prepared cavity consisting of dentin
- Dentino-Enamel Junction (DEJ): Line of junction between dentin and enamel
- Cemento-Enamel Junction (CEJ): Junction of enamel and cementum
- Cavo-Surface Angle: Angle where cavity preparation meets the external surface of the tooth
- Cavo-Surface Margin: Actual junction of the cavo-surface angle
- Isthmus Portion: Junction between two portions of a compound or complex cavity preparation
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