A kind of dentistry Psoralen holeless titanium film has a plug pin portion and a retainer in structure, so that titanium film is inserted into special support bone nail. This titanium film can increase support range to extend the head for supporting bone nail； It can also promote osteanagenesis to separate epithelium soft tissue. 一種牙科補骨用無孔式鈦膜，結構上有一插銷部及一固位部，以供鈦膜插入特製支撐骨釘。此鈦膜可以用以延伸支撐骨釘的頭部，增加支撐範圍；亦可以用以隔開上皮軟組織，促進骨再生。
