Table 1.

Study inclusion and exclusion criteria

Inclusion criteria	Exclusion criteria
Unilateral zygomatic fracture	Complex midfacial fracture
Combination of infraorbital approach, eyebrow and buccal sulcus incision	Panfacial fracture
Osteosynthesis using 2.0 mm and 1.5 mm plates (Stryker)	Polytrauma
Plating along frontozygomatic suture, infraorbital margin and zygomatico maxillary buttress	Infected fractures
Age between 18 and 79 years	Pathological fractures
Written informed consent	Missing operability
	Potential to miss the follow-up examination
	Pregnancy
	Heart, pulmonary, liver and kidney disease, chronic pain syndrome
	Drug addiction
	Recent operations,
	Diseases affecting metabolism, central nervous system, infectious, circulation, systemic, malignant and immune system
	Blood coagulation disorders
	Allergic reactions to pharmaceuticals and antibiotics
	Dermatological diseases of the face
	Raynaud´s phenomenon