Eye for an eye who have harmed them. The Torah makes no distinction between whether the potential object of hatred or a grudge has been brought to justice, and all people are taught to love their fellow Israelites. In Exodus 21, as in the Code of Hammurabi, the concept of reciprocal justice seemingly applies to social equals; the statement of reciprocal justice "life for life, eye for eye, tooth for tooth, hand for hand, foot for foot, burn for burn, wound for wound, stripe for stripe" is followed by an example of a different law: if a slave-owner blinds the eye or knocks out
Tooth wear and record the degree of tooth wear, the earliest was that by Paul Broca. In 1984, Smith and Knight developed the tooth wear index (TWI) where four visible surfaces (buccal, cervical, lingual, occlusal-incisal) of all teeth present are scored for wear, regardless of the cause. A more recent index Basic Erosive Wear Examination (BEWE) from 2008 by Bartlett et al., is now also in use. Attrition is loss of tooth substance caused by physical tooth-to-tooth contact. The word attrition is derived from the Latin verb "attritium", which refers to the action of rubbing against something. Attrition mostly causes wear of