VARIATION AND ANCESTRY

VARIATION AND ANCESTRY - VARIATION AND ANCESTRY SKELETAL...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
VARIATION AND ANCESTRY CONTINUOUS TRAITS Traits that we all have; occurs in population in varying degrees - body mass, weight, proportion, height and height and width of nose DISCRETE TRAITS Not continuous; not all people in population have Only some people have Foramen of Huschke, septo aperture, extra bone on occipital suture (woman?) SKELETAL VARIATION
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
DENTAL TRAITS From incisors to back variation increases Incisors- conservative; exception lateral incisors Canine has little variation PM1, PM2 little variation M1 stable but – Carabelli’s cusp maybe present M2 and M3 most variable Dental traits population variability Shovel shaped incisors Asian population up to 90% (it is a depression on back of the tooth; can occur in European population too <10%) shovel shaped incisors due to enamel and dentyne on posterior mesial distal unique shape
Background image of page 2
CARABELLI’S CUSP Present in M1, maxillary molar Mesial (towards front),ligual (inner surface on
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/10/2010 for the course APY 348 taught by Professor Lisjak,r during the Fall '10 term at SUNY Buffalo.

Page1 / 9

VARIATION AND ANCESTRY - VARIATION AND ANCESTRY SKELETAL...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online