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Chapter 18 Primary Dentition
|When does mineralization of primary teeth begin?
|13-16 weeks during utero.
|When do primary teeth start to calcify?
|What is the first primary tooth to erupt?
|mand. central incisors
|When does the first primary tooth erupt?
|How long does it take the primary dentition to complete?
|What are inter proximal spaces?
|spaces between the primary teeth necessary for proper alignment of future permanent dentition.
|Where are the most common spaces?
|Between primary max. lateral and canine. Between primary mand. canine and first molar.
|Can teeth erupt into the oral cavity decayed?
|How does the permanent tooth erupt?
|Lingually to the primary tooth.
|Why are primary teeth whiter than permanent teeth?
|The primary teeth have increased opacity of the enamel- covers the yellow color of the dentin.
|What is the crown to root ratio of primary teeth?
|Roots are narrower and longer than the crown on primary teeth.
|Primary Incisor vs Permanent Incisors.
|Primary resemble permanent successors, but primary has a more prominent cervical ridge on both labial and lingual surface. Same arch position.
|Primary Canines vs. Permanet Canines
|Resemble the outline of their permanent successors, primary has a more prominent cervical ridge.
|Primary Molars vs Permanent Molars
|Have similar arch position, function, and general shape has permanent. Primary has a prominent cervical ridge on buccal surfaces.
|Clinical Considerations for primary dentition.
|Being supervised homewares as early as possible
|When should a childs first dental appointment be?
|Within 6 months of the eruption of the first primary tooth, but no later than 12 months of age.
|Early Childhood Caries
|Baby bottle tooth decay- acute caries