Both boars and sows use their tusks for defense. However, because of the size and structural differences, boars tend tend to slash and stab, while sows tend to bite, in their use of these teeth as weapons.
Why are boar tusks so sharp?
Are boar tusks sharp? ... They have extremely sharp edges because the upper and lower tusks overlap. The constant gnashing of teeth sharpens the tusks, which make formidable weapons. However, large males or boars become solitary and can be extremely difficult for hunters to bag.
Are boars tusks lethal?
Injuries caused by wild boar attacks are rare. The pattern of the tusk injuries by wild boar is rarely been mentioned in literature. Such injuries can be termed "tusk injuries". Herein, we discuss the pattern of a wild boar tusk wound following an attack on a 65-year-old man who sustained fatal injuries as a result.