Periodontics Flashcards
In Rodrigues’s 2013 survey, “A clinical survey on the prevalence and types of cheek teeth disorders present in 400 Zamorano-Leones and 400 Mirandes donkeys (Equus asinus),” what was found to be the major cause of periodontal disease in the study?
Diastemata (97.4% of CT adjacent to diastemata had periodontal disease)
In Jackson’s 2016 study “A Retrospective Study of the Effectiveness of Four Different Treatments of Periodontal Disease in Equine Cheek Teeth,” what treatments showed stat sig reductions in periodontal pocket depth?
JVD 2016
Chlorhexidine
Metronidazole
PVS
In Jackson’s 2016 study “A Retrospective Study of the Effectiveness of Four Different Treatments of Periodontal Disease in Equine Cheek Teeth,” what treatment group did not show a significant reduction after adjusting for multiple testing?
JVD 2016
Diastema widening
In Jackson’s 2016 study “A Retrospective Study of the Effectiveness of Four Different Treatments of Periodontal Disease in Equine Cheek Teeth,” what was the relationship between pocket depth and improvement following treatment?
JVD 2016
Deeper pockets tended to experience greater improvement following treatment
In Jackson’s 2016 study “A Retrospective Study of the Effectiveness of Four Different Treatments of Periodontal Disease in Equine Cheek Teeth,” what were the two main inclusion criteria?
JVD 2016
At least one cheek tooth periodontal pocket with a depth of 5mm or more
Second treatment/exam performed within 6 months
In Schrock’s 2013 paper, “Finite element analysis of equine incisor teeth. Part 1: Determination of the material parameters of the periodontal ligament,” what two properties describe the elastic behavior of materials?
Young’s modulus, Poisson’s ratio
Describe the properties of the periodontal ligament as presented in Schrock’s 2013 paper, “Finite element analysis of equine incisor teeth. Part 1: Determination of the material parameters of the periodontal ligament.”
Anisotropic with viscoelastic and non-linear behavior
In Schrock’s 2013 paper, “Finite element analysis of equine incisor teeth. Part 1: Determination of the material parameters of the periodontal ligament,” what was the calculated Young’s moduli of equine incisor periodontal ligaments?
1.3- 8.0 Mpa
In Schrock’s 2013 paper, “Finite element analysis of equine incisor teeth. Part 2: Investigation of stresses and strain energy densities in the periodontal ligament and surrounding bone during tooth movement,” what were the two principal directions of tooth movements observed in all jaws?
Intrusive movement in an apical direction along the longitudinal axis of the tooth into its alveolus
Tilting movement in a labial direction
Describe the predominant areas of the tooth responsive to compressive and tensile stresses and the associated bone reaction as described in Schrock’s 2013 paper, “Finite element analysis of equine incisor teeth. Part 2: Investigation of stresses and strain energy densities in the periodontal ligament and surrounding bone during tooth movement.”
Compressive stresses predominant on the
labial side of the alveolar crest
palatal/ lingual side of the root tip –> loss of bone
Tensile stresses predominant on the
palatal/ lingual side near the alveolar crest
–> deposition of bone
What were the top 3 phyla identifies in Wenling’s 2015 study on the equine subgingival microbiome?
Microb Path 2015
Proteobacteria (41%)
Firmicutes (28%)
Bacteroidetes (25%)
In Kennedy’s 2017 paper, Gingival Toll-like receptor and cytokine messenger RNA
levels in equine periodontitis and oral health (EVJ (49); 294-299), was there a difference in mRNA of TLRs and cytokines when comparing diseased and normal gingiva?
EVJ 2017
Yes
Significant increases in mRNA levels of TLR2, TLR9, IL-4, IL-10, IL-12 (P≤0.05) and IFN-c (P≤0.01) were observed for both unweighted and age-weighted analyses of diseased gingival tissue samples compared with healthy gingival samples