Copy Right- Hondo Department of an udan University Deciduous teeth 20 in number Ten teeth in each mandibular and maxillary arch Central incisor lateral incisor canine. 1 st molar 2nd molar in each quadrant Upper jawIⅡⅢⅳ V total20 Lower jaw in. in. can. mol. mol Eruption: stars at about 6 mouth of age and continues to beginning of 3rd year o Shedding: occurs between 6th and 12nd years with replacement by permanent teeth Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan UniversityCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University 20 in number Ten teeth in each mandibular and maxillary arch Central incisor,lateral incisor,canine,1st molar & 2nd molar in each quadrant Upper jaw ⅠⅡⅢ Ⅳ Ⅴ total 20 Lower jaw in. in. can. mol. mol. Eruption: stars at about 6 mouth of age and continues to beginning of 3rd year Shedding: occurs between 6th and 12nd years with replacement by permanent teeth Deciduous teeth