Union Rate on Hinge Side after Open-Door Laminoplasty Using Maxillofacial Titanium Miniplate

Table 1

Comparison of the union rates on the hinge side of different types of fixation.

Authors and year	Fixation technique	Graft	Union rate; (6 months)
Tanaka et al. [10], 2008	Interconnected porous calcium hydroxyapatite spacer	No	84%
	Autogenous graft spacer	Yes	79%
Rhee et al. [9], 2011*	New titanium miniplate	No	77%
Jiang et al. [11], 2012	New titanium miniplate	Yes	100%
Koopong Siribumrungwong, 2013*	Maxillofacial titanium miniplate	No	70.5%

 *Measurement of the union rate with the same specific criteria (Union means bridging of both dorsal and ventral cortices).