Changqun Ren

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BACKGROUND Indirect injuries of adjacent tissues and organs usually accompany maxillofacial impact injuries. However, studies on indirect dental pulp injury are rare. This study was designed to determine the characteristics of indirect dental pulp injury caused by impact injury of mandible in dogs. METHODS Eighteen dogs were divided equally into six(More)
The aim of this study was to evaluate the characteristics of indirect injury of dental pulp caused by high-speed missile projectile to mandible in dogs. Eighteen dogs aged 12-13 months were divided equally into six groups (n = 3 in each group) with random allocation, then a high-speed missile projectile (a ball bearing of stainless steel, phi6.0 mm, 0.88 g)(More)
OBJECTIVE To study the anatomic features of the gracilis muscle flap and its clinical application in tongue reconstruction. METHODS Thirty gracilis muscles in 15 cadavers were dissected, and the morphometric parameter of the gracilis muscle and the origin, length, diameter of the vascular and nerve pedicle were observed and measured. RESULTS The length(More)
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