Lecture 7 Flashcards
What are local contributory factors?
Do Local Contributory Risk Factors contribute to periodontal diseases? Are they etiology?
Do Local Contributory Risk Factors include systemic conditions?
Why do Local Contributory Risk Factors lead to more disease?
What is a major etiologic factor to the development of dental caries, and initiation and progression of periodontal diseases? Why?
Name two categories under the 2017 classification for periodontal disease
What classification, category and subcategory does dental calculus fall under?
Naturally Occurring Contributing Factors
Classification:Periodontal Health, Gingival Diseases, and Conditions
Category: Gingivitis - dental biofilm-induced
Subcategory:Local risk factors (naturally occuring)
What is the secondary risk factor for periodontal disease?
What is the most important local contributing factor?
What risk factor plays a significant role in pathogenesis of periodontal disease?
How does dental calculus alter gingival/ sulcular tissue? Why?
What is the surface of calculus like?
Dental calculus is a reservoir for___
How does dental calculus alter oral hygiene?
Dental biofilm is a _____substance covered on exterior surface by
Locations of calculus deposits
Where does supragingival calculus form?
Is supragingival calculus site specific or non site specific? With what is it associated?
Supragingival can be worse on ____(hint: occlusion)
Localized or generalized?
Calculus is a mineralized substance. Where does supragingival calculus get its minerals?
Formation time for supragingival calculus varies upon what?
Mineralization process begins within ____ to _____
What color is supragingival calculus?
How does formation occur?
What percentage of supragingival calculus is mineralized?
Mineralization can begin within 48 after biofilm formation. ____% of the biofilm will mineralized in 2 days. ___% in twelve days
How much of supragingival calculus is inorganic?
What inorganic material is SGC primarily made of? Name two other additional minerals
This composition is similar to___
Inorganic component of Supragingival calculus changes through _____with time
Newly formed:
<6 months old:
> 6 months old:
What percentage of supragingival calculus is organic?
What material makes up the organic composition?
Supragingival calculus mode of attachment. Where does the MOA occur? Interlocking to tooth? Easy or hard to remove?
Is subgingival calculus site specific or non site specific?
How to detect extent and location?
What is the distribution usually like?
Where are the mineral components derived?
What color is subgingival calculus?
Why is it that color?
What is the shape guided by?
What shapes will you usually find?
What percentage of subgingival calculus is mineralized?
Occurs with or separate from supragingival calculus?
Forms faster or slower than supragingival calculus?
Does the inorganic composition of subgingival calculus have more or less minerals that supra?
What minerals will you usually find in sub?
What crystals usually form?
What mineral increases with the pocket depth?
Does sub gingival calculus have salivary proteins?
What makes up the organic composition of subgingival calculus?
What is the mode of attachment for subgingival calculus?
Is it easy to remove like supra?
Subgingival calculus covered by bacterial biofilm is associated with
greater disease progression than biofilm alone
If you do not see calculus on a radiograph is it not there?
Only ~___% of surfaces with clinically visible calculus are detected radiographically
Name an anticalculus agent.
What does it do?
What type of calculus does it target?
What doesnt it eliminate?
Useful for what type of patients?
Anatomic Contributing Factors are under what classification and category? What qualifies as a anatomic contributing factors?
Classification:
Other Conditions Affecting the Periodontium: Periodontal Manifestations of Systemic Diseases and Developmental and Acquired Conditions
Category:
Tooth and prosthesis-related factors
Fenestration, dehiscence, root proximity, enamel pearl, cervical enamel projections, palatogingival groove, mesial concavity, cemental tears, accessory canals, exodontics
What is meant by tooth anatomic factors?
Pathologic?
When relevant? Why?
Examples:
What is a dehiscence and a fenstration?
Root proximity is poor alignment of teeth in arch due to___
What are cervical enamel projections?
Allows for?
Can predispose to?
Cervical enamel projections cause ___% of isolated furcation involvements
Highest incidence in which teeth? In which surface?
Treatment directed by___
What are enamel pearls?
Where and in what teeth are they often found?
Often mistaken for?
May be removed as ___
What is a Palatogingival Groove? Affects what percentage of what type of teeth?
Begins where and extends where?
What does it look like/ how to describe it?
Palatogingival Groove Extends onto root__% of time
What does it accumulate? What can occur because of this?
How to treat?
What is this?
Mesial concavity?
What are cemental tears?
What does it remain attached to?
Induced by?
Can lead to?
Treatment involves?
Accessory canals provide a communication between?
Pulpal necrosis and how it involves accessory canal?
Occurs on what percentage and type of teeth?
Isolated periodontal lesions on endodontically treated teeth should be evaluated for
accessory canals
How is exodontics a local contributing factor? How?
Restorative Contributing Factors are under what classification and category? What qualifies as restorative contributing factors?
Classification: Other Conditions Affecting the Periodontium: Periodontal Manifestations of Systemic
Diseases and Developmental and Acquired Conditions
Category:
Tooth and prosthesis-related factors
Overhang
Crown contours (Pontic forms), margins (rough margins, margin location), RPD, restorative materials, open contacts and food impaction, untreated tooth decay
Why do overhanging restoration contribute to periodontal disease?
What it causes in the periodontium and teeth?
How does overhanging restorations influence subgingival flora? What type of flora increases?
For overhang restorations, which type cause the most attachment loss? How can we prevent attachment loss caused by overhang restorations? What tools?
How do Crown Contours and Margins influence biofilm formation? What mechanisms or component of contours and margins may influence biofilm formation?
How do rough margins influence biofilm and biofilm removal?
What type of margins can cause bone resorption?
How does an inadequate fit of a margin manifest in the gingival tissues?
What other side effects will be present?
These type of margins can lead to
What type of crown contours are more compatible with periodontal health?
Excessive cervical bulge accumulates ___ and promotes ____.
Bulky crowns result in ___
They encroach on___
What does excess cement do to the tissues?
How should the contours and embrasures of Pontics be formed?
What type of pontics shouldn’t be used?
RPDs encourages the formation of what mineralized substance in the mouth ?
What do they require for care?
Abutment teeth susceptible to ___and ___
Are most restorative materials are compatible with gingival tissue?
Gingival inflammation from dental material is associated with
Open contacts can lead to ___.
Food impaction
What is food impaction?
What can it lead to?
Predisposing factors for food impaction
Untreated tooth decay results in ___
How does untreated tooth decay influence biofilm? What is possible because of this?
Orthodontic Contributing
Factors is what classification and category?
Give examples
Ortho appliances
Malocclusion
Unreplaced missing teeth
Name some ortho appliances and how they affect biofilm and in turn the tissues and teeth.
How do elastics cause periodontal problems?
How important is oral hyg with ortho appliances?
Name some examples of malocclusion and their affect or relation with biofilm.
How does it complicate oral hygiene?
Do unreplaced missing teeth initiate periodontal disease? What patients are usually affected by unreplaced missing teeth?
How does it affect the occlusion of teeth?
What may that lead to?
Habits as Contributing Factors classification and category
Example
Subcategory: oral factors and traumatic lesions
Mouthbreathing (oral factor)
Toothbrushing
Floss trauma
Oral piercings
Self inflicted injuries
Tongue thrusting
Chemical injury: aspirin burn, alcohol burn, anbesol burn
The effects of mouth breathing are confined to ___
mouth breathing increases susceptibility to ____ which occurs because of____
What will labial gingiva of maxillary teeth in mouth breathing look like?
How does mouth breathing affect biofilm?
What condition in the gingiva may occur?
How should Mouth breathing affect a persons oral hygiene?
Will gingival inflammation always be resolved after removal of biofilm?
Toothbrush trauma can___ (2) and result in __
What does it do to the root? What does it create or lead to?
What is created when floss is forcefully snapped through contact point?
Sawing of the floss over a period of time can create a___ into tooth
Oral Piercings can cause what Dental and
periodontal injuries?
Lip piercings usually affects what surfaces?
Tongue piercings usually affect what surfaces?
Name some self inflicted injuries and how do they often result?
What is tongue thrusting?
What teeth does it affect and how?
Can be traumatic to___
How is chemical injury sustained to periodontium? How do they result?
Temporarily interfere with___and contribute to ____
Give two examples
What is this?
Aspirin burn
Rubbing alcohol burn can happen with what dental material?
Symptom?
How long does it take to heal?
What is this?
Anbesol burn
