Dental Anatomy

what “phone number” can be remembered with eruption of the permanent mandibular dentition

679-0161

what “phone number” can be remembered with eruption of the permanent maxillary dentition

781-0062

at what week does tooth development begin in utero

6 weeks

when does hard tissue begin forming in the mouth

3-4 months

extra teeth often referred to as supernumerary

hyperdontia

absence of one or more teeth

hypodontia

large tooth resulting from splitting of single tooth germs that attempts to form two teeth

gemination

tooth within a tooth

dens in dente

abnormal distortion of crown or root by trauma during formation

dilaceration

what condition is associated with hutchinson’s incisors and mulberry molars

congenital syphilis

abnormal enamel development

enamel dysplasia

which premolar can sometimes have 3 cusps

mandibular 2nd

which tooth has a non-functional lingual cusp

mandibular 1st premolar

which tooth can sometimes have a 5th cusp

maxillary 1st molar

what is the only tooth with an oblique ridge

maxillary 1st molar

what tooth has the most prominent CEJ

maxillary central incisor

what tooth may have a palatogingival groove and is considered a carious developmental “pit”

maxillary lateral incisor

which root on maxillary 1st molars is the longest

palatal

which molar is most likely to have 3 roots

maxillary 2nd molar

which tooth may have a bifurcated root

mandibular canine