Podcast
Questions and Answers
Which of the following best describes horizontal bone loss?
Which of the following best describes horizontal bone loss?
- An even reduction in bone height along the tooth root surface. (correct)
- Localized areas of bone loss around furcations of multi-rooted teeth.
- Bone loss that affects only the facial aspects of teeth.
- Bone loss occurring in a vertical plane without changes in the horizontal dimension.
What is a key characteristic of vertical bone loss?
What is a key characteristic of vertical bone loss?
- Causes symmetrical loss of bone around all teeth.
- Usually leads to more significant tooth mobility. (correct)
- Only impacts the buccal side of the tooth.
- Is typically a result of periodontal disease only in the anterior region.
Which factor is commonly associated with furcation involvement?
Which factor is commonly associated with furcation involvement?
- Absence of periodontal pockets.
- Uniform bone loss around the tooth structure.
- Presence of local irritating factors like plaque or calculus. (correct)
- Healthy gingival tissue surrounding the tooth.
Which of the following is considered a local irritating factor in periodontal disease?
Which of the following is considered a local irritating factor in periodontal disease?
What is a recommended diagnostic imaging technique in evaluating bone loss?
What is a recommended diagnostic imaging technique in evaluating bone loss?
What type of radiograph is indicated if a periodontal/endodontic lesion is suspected?
What type of radiograph is indicated if a periodontal/endodontic lesion is suspected?
Which diagnostic imaging technique is sufficient to assess the periodontal support of all teeth?
Which diagnostic imaging technique is sufficient to assess the periodontal support of all teeth?
What is the main advantage of using a panoramic radiograph with supplementary periapical radiographs?
What is the main advantage of using a panoramic radiograph with supplementary periapical radiographs?
What is often a local irritating factor in periodontal disease?
What is often a local irritating factor in periodontal disease?
Which condition can be assessed using a periapical radiograph?
Which condition can be assessed using a periapical radiograph?
What characterizes vertical bone loss in periodontal conditions?
What characterizes vertical bone loss in periodontal conditions?
What distinguishes horizontal bone loss from vertical bone loss?
What distinguishes horizontal bone loss from vertical bone loss?
What factor is important to consider when deciding on diagnostic imaging methods?
What factor is important to consider when deciding on diagnostic imaging methods?
Which type of bone loss is characterized by horizontal patterns at the coronal, mid, and apical thirds of the root length?
Which type of bone loss is characterized by horizontal patterns at the coronal, mid, and apical thirds of the root length?
What type of vertical bone defect is also referred to as craters?
What type of vertical bone defect is also referred to as craters?
Which local irritating factor is commonly associated with periodontal disease?
Which local irritating factor is commonly associated with periodontal disease?
When is it recommended to use bitewing radiographs?
When is it recommended to use bitewing radiographs?
How is furcation involvement classified at an early stage?
How is furcation involvement classified at an early stage?
What is the maximum extension of horizontal bone loss designated within the coronal third?
What is the maximum extension of horizontal bone loss designated within the coronal third?
What diagnostic imaging technique overcomes the limitations of 2D radiographs in assessing complex periodontal conditions?
What diagnostic imaging technique overcomes the limitations of 2D radiographs in assessing complex periodontal conditions?
Which classification applies to horizon bone loss measured as up to 6mm or more?
Which classification applies to horizon bone loss measured as up to 6mm or more?
What percentage of root length does vertical bone loss primarily affect?
What percentage of root length does vertical bone loss primarily affect?
What is a common cause of localized bone loss in periodontal conditions?
What is a common cause of localized bone loss in periodontal conditions?
In relation to periodontal disease, what do local irritating factors commonly include?
In relation to periodontal disease, what do local irritating factors commonly include?
Which method is not routinely indicated for imaging periodontal bone support?
Which method is not routinely indicated for imaging periodontal bone support?
What type of periodontal bone loss can be categorized as affecting specific pockets without being generalized?
What type of periodontal bone loss can be categorized as affecting specific pockets without being generalized?
How can periodontal disease be tailored based on the classification of bone loss?
How can periodontal disease be tailored based on the classification of bone loss?
Flashcards
Periapical Radiograph
Periapical Radiograph
An X-ray image showing the area around the tooth's root tip.
Paralleling Technique
Paralleling Technique
A method of taking x-rays where the x-ray beam and film are parallel.
Periodontal/Endodontic Lesion
Periodontal/Endodontic Lesion
A problem affecting the tissues supporting the tooth (periodontal) or inside the tooth (endodontic).
Panoramic Radiograph
Panoramic Radiograph
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Periodontal Support
Periodontal Support
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Diagnostic Imaging
Diagnostic Imaging
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Caries Management
Caries Management
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Radiographic Assessment
Radiographic Assessment
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Magnification
Magnification
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Horizontal Angulation
Horizontal Angulation
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Vertical Angulation
Vertical Angulation
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Orientation
Orientation
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Soft Tissue Shadows
Soft Tissue Shadows
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Periodontal Conditions
Periodontal Conditions
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Intraoral radiographs
Intraoral radiographs
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Bone levels
Bone levels
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Bitewings
Bitewings
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Generalized bone loss
Generalized bone loss
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Horizontal bone loss
Horizontal bone loss
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Vertical bone defects
Vertical bone defects
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Furcation involvement
Furcation involvement
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Periapicals
Periapicals
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Paralleling technique
Paralleling technique
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CBCT
CBCT
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Patient History
Patient History
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Existing Radiographs
Existing Radiographs
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Panoramic Radiographs
Panoramic Radiographs
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Radiographic Image Reading
Radiographic Image Reading
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Radiographic Protocols
Radiographic Protocols
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Study Notes
University of Sydney Acknowledgement
- Acknowledges the traditional custodianship and laws of the Country on which the University campuses stand
- Pays respects to those who have cared and continue to care for Country
2024 BOH1: Radiology and Periodontal Patterns of Bone Loss
- Presentation by Eduardo Delamare BDS, MSc (DMFR)
- Email: [email protected]
- Contributors: Dr Antonia Scott and Dr Malcolm I Coombs
Adult Patient: History and Examination
- Complete a thorough history and clinical examination of the tooth-bearing areas before taking any radiographs
- Seek originals or copies of radiographs taken elsewhere, if relevant
- Do not perform screening or routine radiographs.
- Avoid taking new radiographs without examining existing ones.
- Avoid panoramic radiographs for all patients
- Do not use a single protocol for all patients
Reading Radiographic Images
- Angulation (horizontal, vertical)
- Orientation
- Soft tissue shadows
- Magnification
Periodontal Conditions
- Indications for intraoral radiographs:
- Bone level assessment
- Alveolar crest condition
- Furcation area bone loss
- Periodontal ligament width
- Local irritating factors increasing periodontal disease risk (e.g., calculus)
- Poorly contoured or overextended restorations
- Analysis of root length and morphology/crown-to-root analysis
- Open interproximal contacts (potential food impaction)
- Maxillary sinus position relative to periodontal deformity
- Prescription of radiographs: Bisecting vs Paralleling in Periodontics
- Periodontal Patterns of Bone Loss
Periodontal Classification (Table 20.1)
- Categorizes periodontitis based on several criteria (stage, severity, complexity)
- Includes I, II, III, and IV stages, considering radiographic bone loss, probing depths and complexities of different types of bone loss (e.g., Maximum probing depth, horizontal bone loss)
Periodontal Conditions: Recommendations
- Generalized pocketing (up to 4-5mm or greater than 6mm)
- Horizontal bitewings
- Periapicals with paralleling technique (or vertical bitewings)
- Health vs Affected X-rays (identification of affected vs healthy teeth)
- Localized vs Generalized Patterns
- Types of bone loss (horizontal, vertical, furcation involvement)
Periodontal Patterns of Bone Loss: Horizontal Bone Loss
- Extension: coronal 1/3, mid 1/3, apical 1/3
- Health vs. Coronal 1/3 (identification of bone loss in coronal 1/3 of the tooth)
Periodontal Patterns of Bone Loss: Vertical Bone Defects
- Types: three-walled, two-walled (craters)*
Periodontal Patterns of Bone Loss: Vertical Bone Loss
- One-walled (description)
Periodontal Patterns of Bone Loss: Furcation Involvement
- Early vs Moderate/Severe
Periodontal Patterns of Bone Loss: Local Irritating Factors
- Calculus
- Defective restorations
Prescription of Diagnostic Imaging
- Bitewings
- Vertical bitewings
- Periapical radiographs (paralleling)
- OPG (overview of teeth)
- CBCT (Cone Beam CT) scanning
Periodontal Conditions: Recommendations
- CBCT not routinely used for periodontal bone support
- Periapical with Paralleling for indicated lesions
- Panoramic, supplementary periapicals, or complete series of periapicals for comprehensive assessments
Periodontal Conditions: Contact Information
- Eduardo Delamare (email)
- Shwetha Hegde (email)
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Description
This quiz focuses on the principles of radiology in relation to periodontal patterns of bone loss. It emphasizes the importance of history-taking, clinical examination, and proper radiographic interpretation. Ideal for dental professionals engaged in the assessment of adult patients.
