ЯсноПонятно24

3. Insert prepositions adverbs 1. A collection of extracted teeth... good condition is a great help... learning anatomy. 2. . The cusps... upper premolars are almost equal... size. The upper canine has the longest root... the whole dentition. 3 4. Their crowns are characterized... an oblique ridge. 5. Upper first molar often have an extra cusp... their mesio-palatal surface. 6. Upper teeth overlap the lower... the buccal side. 7.... the midline the mesial edges... lower central incisors form one straight vertical line. 8. Their cusps grind the food... a soft mass.