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Comparative evaluation of 2.0 mm locking plate system vs 2.0 mm non-locking plate system for mandibular angle fracture fixation: a prospective randomized study. 2015

L Yang, and P M Patil
Departement of Stomatology, The Second Hospital of Lanzhou University, 82 Cuiyingmwen, Chengguan District, Lanzhou City, Gansu Province, China. pavanpatil2000@yahoo.co.uk.

OBJECTIVE This prospective randomized study evaluated the efficacy of a 2.0 mm locking plate/screw system compared with a 2.0-mm nonlocking plate/screw system in fixation of 60 isolated non-comminuted mandibular angle fractures. METHODS Sixty patients were randomly assigned to receive a 2.0 mm locking plate (group A, n = 30) or 2.0 mm non-locking plate (group B, n = 30). All patients were followed up to 6 months postoperatively and evaluated for complications, occlusal stability and overall results of fixation. RESULTS Five complications occurred in the locking group and fourteen in the non-locking group with complication rates equalling 17% and 47% respectively. When comparing the overall results according to plates used, the χ² test showed a statistically significant difference between the locking and non-locking plates (p < 0.01). Fewer patients required IMF in group A. CONCLUSIONS Mandibular angle fractures treated with 2.0 mm locking plates show greater stability and were associated with fewer complications than with 2.0 mm non-locking plates.

UI MeSH Term Description Entries
D008297 Male Males
D008337 Mandibular Fractures Fractures of the lower jaw. Fracture, Mandibular,Fractures, Mandibular,Mandibular Fracture
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010292 Paresthesia Subjective cutaneous sensations (e.g., cold, warmth, tingling, pressure, etc.) that are experienced spontaneously in the absence of stimulation. Dysesthesia,Formication,Paresthesia, Distal,Paresthesia, Painful,Distal Paresthesia,Distal Paresthesias,Dysesthesias,Formications,Painful Paresthesia,Painful Paresthesias,Paresthesias,Paresthesias, Distal,Paresthesias, Painful
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D001860 Bone Plates Implantable fracture fixation devices attached to bone fragments with screws to bridge the fracture gap and shield the fracture site from stress as bone heals. (UMDNS, 1999) Bone Plate,Plate, Bone,Plates, Bone
D001863 Bone Screws Specialized devices used in ORTHOPEDIC SURGERY to repair bone fractures. Bone Screw,Screw, Bone,Screws, Bone
D004867 Equipment Design Methods and patterns of fabricating machines and related hardware. Design, Equipment,Device Design,Medical Device Design,Design, Medical Device,Designs, Medical Device,Device Design, Medical,Device Designs, Medical,Medical Device Designs,Design, Device,Designs, Device,Designs, Equipment,Device Designs,Equipment Designs
D004868 Equipment Failure Failure of equipment to perform to standard. The failure may be due to defects or improper use. Defects, Equipment,Device Failure,Failure, Equipment,Malfunction, Equipment,Medical Device Failure,Misuse, Equipment,Device Failure, Medical,Device Failures, Medical,Failure, Medical Device,Failures, Medical Device,Defect, Equipment,Device Failures,Equipment Defect,Equipment Defects,Equipment Failures,Equipment Malfunction,Equipment Malfunctions,Equipment Misuse,Equipment Misuses,Failure, Device,Failures, Device,Failures, Equipment,Malfunctions, Equipment,Misuses, Equipment
D005260 Female Females

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