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EQ periodontal anat
2011 AAEP Focus on Dentistry & other articles
| Question | Answer |
|---|---|
| In what direction are collagen bundles of the PDL oriented? | multidirectional arrangements. |
| What is the benefit of multidirectional arrangement of collagen fibers in PDL? | motion during the chewing cycle causes tensile load only in distinct groups of fiber bundles |
| which enzyme initiates collagen degradation in PDL remodeling? | matrixmetalloproteinase-1 |
| What is the arrangement of the blood vascular system in the PDL? | inner capillary layer (near the tooth) and an outer venous layer (near the alveolar bone) |
| What is the most notable aspect of the equine PDL? | constant, essential process of tissue remodeling, which is necessary for the continuous eruption of teeth. |
| Which arcades are more commonly affected by diastemata? JVD Spring 2009 | mandibular |
| which periodontal tissues contain lymphatics? | all except cementum (staszyk JVD 2005) |
| in which periodontal tissues are lymphatic capillaries most densely distributed? | gingiva (staszyk JVD 2005) |
| what is the density/distribution of lymphatic vessels within the PDL? | lymphatic vessels are generally sparse within the PDL. They are more dense in mandibular vs. maxillary tooth PDL. They are absent in the apical PDL of all teeth |
| In what regions is equine cementum cellular? | all. equine cementum is 'always cellular' (Warhonowicz 2006 p.1147) |
Created by:
lamarron
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