Network meta-analysis of platelet-rich fibrin in periodontal intrabony defects.

Objectives: To evaluate the effect of platelet-rich fibrin alone or in combination with different biomaterials for the treatment of periodontal intra-bony defect.

Methods: Up to April 2022, Cochrane library, Medline, EMBASE, and Web of Science databases were searched for randomized clinical trials. The outcomes of interest were probing pocket depth reduction, clinical attachment level gain, bone gain, and bone defect depth reduction.

[Styloid process syndrome: report of 72 cases].

Objective: To investigate the correct diagnosis for styloid process syndrome.

Method: CT scan and 3D reconstruction was undertaken in 301 cases with foreign body sensation in submandibular angle, pain in pharyngeal, tension feeling and unhealing feeling after tonsillectomy. 263 cases were diagnosed as styloid process syndrome.