JVD 2014 # 3 - Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog

Question 1

According to Sabás Z. Hernández, DVM, PhD; Viviana B. Negro, DVM, PhD; Georgina de Puch, DVM; Paula G. Toriggia, DVM

in Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog,

What was the study design?

Answer 1

Prospective observational

Maxillary Canine teeth, maxillary P4’s and mandibular M1 apices were evaluated with scanning electron microscopy.

counted number of foramina and measured diameters

Question 2

According to Sabás Z. Hernández, DVM, PhD; Viviana B. Negro, DVM, PhD; Georgina de Puch, DVM; Paula G. Toriggia, DVM

in Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog,

Which tooth had significantly more foramina?

Answer 2

Mandibular M1 significantly more

No significant difference between P4’s and canine teeth

Question 3

According to Sabás Z. Hernández, DVM, PhD; Viviana B. Negro, DVM, PhD; Georgina de Puch, DVM; Paula G. Toriggia, DVM

in Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog,

What was the maximum diameter of any foramen?

Answer 3

234 um

Question 4

According to Sabás Z. Hernández, DVM, PhD; Viviana B. Negro, DVM, PhD; Georgina de Puch, DVM; Paula G. Toriggia, DVM

in Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog,

What was the measurement that 85% of the teeth were less than?

Answer 4

50 um

Question 5

According to Sabás Z. Hernández, DVM, PhD; Viviana B. Negro, DVM, PhD; Georgina de Puch, DVM; Paula G. Toriggia, DVM

in Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog,

What was the average diameter?

Answer 5

32-35 um

Question 6

According to Sabás Z. Hernández, DVM, PhD; Viviana B. Negro, DVM, PhD; Georgina de Puch, DVM; Paula G. Toriggia, DVM

in Scanning Electron Microscopic Evaluation of Tooth Root Apices in the Dog,

How many foramina did each tooth have on average?

Answer 6

P4 - 36

M1 - 57

Max. Canine - 38