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學習目標使用空間維持器的目的空間維持器的種類各種空間維持器的應用學習資源： McDonald RE & Avery DR
Dentistry for the child & Adolescent. 2004
McDonald RE & Avery DRDentistry for the child & Adolescent. 2004
McDonald RE & Avery DRDentistry for the child & Adolescent. 2004
Planning for space maintenance
Time elapsed since loss
Dental age
Amount of bone covering the unerupted tooth
Sequence of the eruption of teeth
Planning for space maintenance
Delayed eruption of the permanent tooth
Congenital absence of the permanent tooth
Presentation of problems to parents
The type of space maintainer
Semi-fixed type space maintainer
a. Crown-Distal-Shoe space maintainer
b. Crown-Loop space maintainer
c. Band-Loop space maintainer
The type of space maintainer
Fixed typed space maintainer
a. Lingual-Holding-Arch space maintainer
b. Nance’s holding arch
Removable type space maintainer
Crown distal shoe(intra-alveolar space
maintainer )
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Band(crown) and loop(semifixed space
maintainer )
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Lingual holding arch(fixed space maintainer)
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Nance’s appliance
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Removable space maintainer
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喪失乳齒 處理方式乳齒列期
切齒 ( 上、下顎 )上顎犬齒下顎犬齒上顎第一乳臼齒下顎第一乳臼齒上顎第二乳臼齒下顎第二乳臼齒
不治療帶環裝置帶環裝置或舌側弧線帶環裝置或南斯氏裝置帶環裝置或舌側弧線遠心鞋型裝置或空間重造後用帶環裝置遠心鞋型裝置或空間重造後用帶環裝置
混合齒列期
切齒 ( 上、下顎 )上顎犬齒下顎犬齒上顎第一乳臼齒下顎第一乳臼齒上顎第二乳臼齒下顎第二乳臼齒
拔除對側切齒拔除對側犬齒或用帶環裝置止位舌側弧線南斯氏裝置或帶環裝置舌側弧線或帶環裝置南斯氏裝置舌側弧線或用帶環裝置
結論兒童齒列發展過程中產生的牙弓空 間變化，藉由各種空間維持器來導 正齒列的正常發展。
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