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Presentation on Harris Lines and LEH in teeth.
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Harris Lines and
Linear Enamel Hypoplasia
Susan AylardNecropolis Session 2
May 2010
Harris Lines
Long bones, scapula, & pelvic bones
Thickness: 1 – 10 mm
Thickest in areas of rapid growth
Bilateral
Manifest: 6 mos. - 5 yrs.
Disappear with age
Long Bone Development
Harris Lines
“Normal” tibia Tibia with Harris Lines
The Tyrolean Alps Iceman
Linear Enamel Hypoplasia
Horizontal lines
Small pits, furrows, large grooves
Front teeth usually
Deficiency in enamel thickness
Tooth Development
LEH at Sanisera
Enamel Hypoplasia
Palaeopathological Usefulness
Non-specific indicators of physiological stress
Periods of arrested growth
LEH – age of occurrence
LEH – permanent
Harris Lines – fade due to remodelling
Childhood health of an individual
Comparison of populations
Temporal comparisons within a population
