To provide an assembly of a crown that is capable of withstanding the separation when it is being used and under the environmental impact.SOLUTION: An assembly process of a multi-part crown may include at least a partially supported structure 150 in a dial 130. The support structure 150 is disposed in the dial 130 such that a support tooth 154 is disposed in the dial recess 140 and the dial tooth 138 is disposed in the support structure recess.SELECTED DRAWING: Figure 7
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