| 主权项 |
1. A dental prosthesis comprising:
a first holder comprising a first holding part configured to tightly engage with a first existing tooth of a patient and further comprising a first male member integrally formed with the first holding part; a second holder comprising a second holding part configured to tightly engage with a second existing tooth of the patient and further comprising a second male member; and an artificial tooth configured to be placed in an open space between the first and second existing teeth, the artificial tooth comprising a first female member configured to receive the first male member and further comprising a second female member configured to receive the second male member, wherein the first holding part comprises a buccal side wall, a lingual side wall and an intermediate side wall interconnecting the buccal side wall and the lingual side wall, the buccal side wall corresponding to a buccal side of the first exiting tooth, the lingual side wall corresponding to a lingual side of the first exiting tooth, wherein when installed in the patient, at least one of the buccal and lingual side walls extends between an occlusal edge and a gum edge of the first existing tooth such that the at least one of the buccal and lingual side walls covers a substantially entire surface of its corresponding side of the first existing tooth, wherein the first holding part comprises a side gap in a circumference of the first existing tooth such that the first holding part does not encircle the first existing tooth, wherein the lingual side wall has a non-flat bottom edge corresponding to the gum edge of the first existing tooth, wherein the non-flat bottom edge is contoured such that it is bulged along the gum edge of the first existing tooth. |
