1) What is the foramen? a) Natural opening of the bone. b) Where enamel ends and dentine begins. 2) What is the lower jaw called? a) Maxilla. b) Mandible. 3) What is the top jaw called? a) Maxilla. b) Mandible. 4) What is amelogenesis imperfecta? a) Imperfect enamel. b) Weak teeth. 5) What is enamel hyperplasia? a) Too much enamel. b) Not enough enamel. 6) What is enamel hypoplasia? a) Low enamel. b) Too much enamel. 7) What does the periodontal ligament do? a) Hold dentine in place. b) Acts as a shock absorber and keeps tooth in its socket. 8) What is furcation? a) Where the roots of a tooth meet the crown of a tooth.  b) The process of losing deciduous teeth. 9) What is diastema?  a) An unusually large gap between teeth- normally central incisors. b) A type of gingival recession.  10) What are mamelons? a) Large roots. b) Small and round bumps on the edge of a tooth. 11) What are supernumerary teeth? a) Any teeth in addition to the normal dentition. b) Deciduous teeth. 12) Where is the cusp of carabelli if present? a) Upper 6s. b) Lower 6s. 13) What age do babies erupt their first teeth? a) 6 months. b) 9 months. 14) How many permanent molars are there normally? a) 10 b) 12 15) How many cusps do central incisors have? a) 2. b) None. (Known as incisal edge) 

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