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Phenomenon or Landmark: Dental caries: proximal surfaces
 +
Notes:
 +
• Shape typical of early lesion is triangular with base at tooth surface
 +
• Other shapes include a notch, dot, band, or thin line
 +
• Spread along enamel rods
 +
• When reaches DEJ, spreads along DEJ and may form new triangular with a wider base, advancing to pulp along dentinal tubules.
 +
• Commonly found between contact point and free gingival margin.  Above margin helps distinguish from cervical burnout.
 +
• Proximal surfaces of posterior teeth are broad, therefore, enamel lesions may not present radiographically until 30-40 demineralization has taken place.
 +
• False positive: Dental anomalies, hypoplastic pits, concavities from wear
 +
• False negative: demineralization not seen radiographically
 +
• The deeper the radiographic lesion, the greater the likelihood of cavitation. More than half-way to pulp always cavitated.
 +
• Cavitated lesions need treatment.
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Other things you can do:
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Phenomenon or Landmark: Dental caries: occlusal surfaces
 +
Notes:
 +
• Most common site of carious lesions in adults and children.
 +
• Originate in pits and fissures (walls not base) where bacteria gather.  Penetrate DEJ and can be seen thin radiolucent line between enamel and dentin.
 +
• Early lesions appear clinically as white, yellow, or brown discolorations of occlusal fissures.  Indicates a radiographic examination
 +
• Clinical cavity indicates lesion already into dentin
 +
• False positive: mach band: illusion of a more radiolucent region adjacent to DEJ.  Superimposition of buccal pit can simulate occlusal lesion.
 +
• Occlusal spread through dentin undermines the enamel and masticatory forces cause cavitation.
 +
• Rampant caries: severe, rapidly progressing carious destruction of teeth.  Seen in children with poor diet and hygiene or patients with xerostomia.
 +
 
 +
 
 +
Phenomenon or Landmark: Dental caries: buccal and lingual surfaces
 +
Notes:
 +
• Occur in enamel pits and fissures.
 +
• Round when small and become elliptic and semilunar when they enlarge. Sharp, well-defined borders.
 +
• Can’t always differentiate between buccal and lingual.  DEJ may be superimposed (take another radiograph and look for surrounding noncarious region).
 +
• Not as extensive and occlusal, but more well defined.
 +
 
 +
 
 +
Phenomenon or Landmark: Dental caries: root surfaces
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Notes:
 +
• Involve cementum and dentin and are associated with gingival recession
 +
• Cementum at CEJ is soft and 20-50microns, so it rapidly degrades by attrition, abrasion, and erosion.
 +
• Usually can be detected clinically. 
 +
• Cervical burnout can mimic root lesions.
 +
• Lesion: absence of root edge and diffuse rounded inner border where tooth substance has been lost. Not-lesion, in tact surface.
 +
 
 +
 
 +
Phenomenon or Landmark: Dental caries: associated with dental restorations
 +
Notes:
 +
• Secondary or recurrent carries: carious lesion developing in the margin of existing restoration.
 +
• Usually new lesion, not residual caries.
 +
• Most common at mesiogingival or distogingival margins. 
 +
• May be obscured by radio-opaque restoration.
 +
• Radiolucent lesion may simulate carious lesion.
 +
 
 +
 
 +
Phenomenon or Landmark: Dental caries: after radiation therapy
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Notes:
 +
• Decreased salivary gland function => xerostomia => rampant caries
 +
• Typically, destruction begins at cervical region and may encircle tooth.
 +
• Radiolucent shadows appearing at the neck of teeth, most obvious on mesial and distal aspects.
 +
• Variation in depth of destruction may be present but usually uniform in given region of mouth.
 +
 
 +
==Other optional things to do==
 +
*Control the rights of anonymous and logged in users through the [[Control Panel]] (which can be found in the toolbox on the left side of this page).
 +
*Add the url for your wiki to the [http://www.editthis.info/wiki/index.php/Categorized_Wiki_List Categorized wiki list]. Simply edit that page and put your wiki under the appropriate category.
 +
*To increase the amount of space you have for uploads, add links to http://editthis.info from external sites, and go to the [http://editthis.info/wiki/index.php/Link_Quota_Page Link Quota Page] to increase your uploads quota.
*Edit [[MediaWiki:Sidebar]] to change the navigation menu
*Edit [[MediaWiki:Sidebar]] to change the navigation menu
*Add this wiki to some external wiki indexes:
*Add this wiki to some external wiki indexes:
#[http://en.wikipedia.org/wiki/List_of_wiki Wikipedia list of wikis]
#[http://en.wikipedia.org/wiki/List_of_wiki Wikipedia list of wikis]
#[http://www.wikiindex.com/Add_a_Wiki WikiIndex]<br>
#[http://www.wikiindex.com/Add_a_Wiki WikiIndex]<br>
 +
*If you are feeling adventurous and know a little about web design you can edit the  javascript and css to the [[Header]] to change the look of your wiki.
 +
**You must log as admin to do this
 +
**Whatever you enter in this page will be added to the html in the header after the standard style sheet, so you can override styles.
 +
*Read the [http://meta.wikipedia.org/wiki/MediaWiki_User%27s_Guide User's Guide] for other usage and configuration help.
 +
*Add your wiki to the [http://editthis.info/wiki/index.php/Map_of_wikis map of wikis]
 +
*Add a message to the [http://www.editthis.info/wiki/index.php/Feedback Feedback Page] if you see anything that could be improved.
 +
 +
[http://q1000a.upwithq.com/blog/mark/2009/01/anatomy_creative_brief http://q1000a.upwithq.com/blog/mark/2009/01/anatomy_creative_brief] [http://indianwine.com/cs/members/soatebcui.aspx http://indianwine.com/cs/members/soatebcui.aspx] [http://forums.quark.com/t/28790.aspx http://forums.quark.com/t/28790.aspx] [http://www.playboyenergysocial.com/profile/AlgernonMoffett http://www.playboyenergysocial.com/profile/AlgernonMoffett] =-=

Current revision as of 00:20, 27 June 2012


Phenomenon or Landmark: Dental caries: proximal surfaces Notes: • Shape typical of early lesion is triangular with base at tooth surface • Other shapes include a notch, dot, band, or thin line • Spread along enamel rods • When reaches DEJ, spreads along DEJ and may form new triangular with a wider base, advancing to pulp along dentinal tubules. • Commonly found between contact point and free gingival margin. Above margin helps distinguish from cervical burnout. • Proximal surfaces of posterior teeth are broad, therefore, enamel lesions may not present radiographically until 30-40 demineralization has taken place. • False positive: Dental anomalies, hypoplastic pits, concavities from wear • False negative: demineralization not seen radiographically • The deeper the radiographic lesion, the greater the likelihood of cavitation. More than half-way to pulp always cavitated. • Cavitated lesions need treatment.


Phenomenon or Landmark: Dental caries: occlusal surfaces Notes: • Most common site of carious lesions in adults and children. • Originate in pits and fissures (walls not base) where bacteria gather. Penetrate DEJ and can be seen thin radiolucent line between enamel and dentin. • Early lesions appear clinically as white, yellow, or brown discolorations of occlusal fissures. Indicates a radiographic examination • Clinical cavity indicates lesion already into dentin • False positive: mach band: illusion of a more radiolucent region adjacent to DEJ. Superimposition of buccal pit can simulate occlusal lesion. • Occlusal spread through dentin undermines the enamel and masticatory forces cause cavitation. • Rampant caries: severe, rapidly progressing carious destruction of teeth. Seen in children with poor diet and hygiene or patients with xerostomia.


Phenomenon or Landmark: Dental caries: buccal and lingual surfaces Notes: • Occur in enamel pits and fissures. • Round when small and become elliptic and semilunar when they enlarge. Sharp, well-defined borders. • Can’t always differentiate between buccal and lingual. DEJ may be superimposed (take another radiograph and look for surrounding noncarious region). • Not as extensive and occlusal, but more well defined.


Phenomenon or Landmark: Dental caries: root surfaces Notes: • Involve cementum and dentin and are associated with gingival recession • Cementum at CEJ is soft and 20-50microns, so it rapidly degrades by attrition, abrasion, and erosion. • Usually can be detected clinically. • Cervical burnout can mimic root lesions. • Lesion: absence of root edge and diffuse rounded inner border where tooth substance has been lost. Not-lesion, in tact surface.


Phenomenon or Landmark: Dental caries: associated with dental restorations Notes: • Secondary or recurrent carries: carious lesion developing in the margin of existing restoration. • Usually new lesion, not residual caries. • Most common at mesiogingival or distogingival margins. • May be obscured by radio-opaque restoration. • Radiolucent lesion may simulate carious lesion.


Phenomenon or Landmark: Dental caries: after radiation therapy Notes: • Decreased salivary gland function => xerostomia => rampant caries • Typically, destruction begins at cervical region and may encircle tooth. • Radiolucent shadows appearing at the neck of teeth, most obvious on mesial and distal aspects. • Variation in depth of destruction may be present but usually uniform in given region of mouth.

[edit] Other optional things to do

  • Control the rights of anonymous and logged in users through the Control Panel (which can be found in the toolbox on the left side of this page).
  • Add the url for your wiki to the Categorized wiki list. Simply edit that page and put your wiki under the appropriate category.
  • To increase the amount of space you have for uploads, add links to http://editthis.info from external sites, and go to the Link Quota Page to increase your uploads quota.
  • Edit MediaWiki:Sidebar to change the navigation menu
  • Add this wiki to some external wiki indexes:
  1. Wikipedia list of wikis
  2. WikiIndex
  • If you are feeling adventurous and know a little about web design you can edit the javascript and css to the Header to change the look of your wiki.
    • You must log as admin to do this
    • Whatever you enter in this page will be added to the html in the header after the standard style sheet, so you can override styles.
  • Read the User's Guide for other usage and configuration help.
  • Add your wiki to the map of wikis
  • Add a message to the Feedback Page if you see anything that could be improved. 
http://q1000a.upwithq.com/blog/mark/2009/01/anatomy_creative_brief http://indianwine.com/cs/members/soatebcui.aspx http://forums.quark.com/t/28790.aspx http://www.playboyenergysocial.com/profile/AlgernonMoffett =-=
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