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Article

Resorbable Versus Titanium Rigid Fixation for Pediatric Mandibular Fractures: A Systematic Review, Institutional Experience and Comparative Analysis

by
Matthew E. Pontell
1,*,
Eva B. Niklinska
2,
Stephane A. Braun
1,
Nolan Jaeger
3,
Kevin J. Kelly
3 and
Michael S. Golinko
3
1
Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA
2
School of Medicine, Vanderbilt University, Nashville, TN, USA
3
Division of Pediatric Plastic Surgery, Division of Cleft and Craniofacial Surgery, Monroe Carell Jr. Children’s Hospital at Vanderbilt, Nashville, TN, USA
*
Author to whom correspondence should be addressed.
Craniomaxillofac. Trauma Reconstr. 2022, 15(3), 189-200; https://doi.org/10.1177/19433875211022573
Submission received: 1 November 2020 / Revised: 1 December 2020 / Accepted: 1 January 2021 / Published: 21 June 2021

Abstract

:
Study Design: Pediatric mandible fractures mandate special consideration because of unerupted teeth, mixed dentition, facial growth and the inability to tolerate maxillomandibular fixation. No consensus exists as to whether resorbable or titanium plating systems are superior with regards to clinical outcomes. Objective: This study aims to systematically review and compare the outcomes of both material types in the treatment of pediatric mandible fractures. Methods: After PROSPERO registration, studies from 1990-2020 publishing on outcomes of ORIF of pediatric mandible fractures were systematically reviewed according to PRISMA guidelines. An additional retrospective review was conducted at a pediatric level 1 trauma center. Results: 1,144 patients met inclusion criteria (30.5% resorbable vs. 69.5% titanium). Total complication rate was 13%, and 10% required a second, unplanned operation. Complication rates in the titanium and resorbable groups were not significantly different (14% vs. 10%; P = 0.07), and titanium hardware was more frequently removed on an elective basis (P < 0.001). Condylar/sub-condylar fractures were more often treated with resorbable hardware (P = 0.01); whereas angle fractures were more often treated with titanium hardware (P < 0.001). Within both cohorts, fracture type did not increase the risk of complications, and comparison between groups by anatomic level did not demonstrate any significant difference in complications. Conclusions: Pediatric mandible fractures requiring ORIF are rare, and hardware-specific outcomes data is scarce. This study suggests that titanium and resorbable plating systems are equally safe, but titanium hardware often requires surgical removal. Surgical approach should be tailored by fracture anatomy, age-related concerns and surgeon preference.

Introduction

Pediatric facial fractures are rare, representing less than 15% of craniomaxillofacial (CMF) injuries.[1,2,3,4,5,6,7,8] Roughly half of pediatric facial fractures include the mandible,[1,2] making it one of the most commonly fractured facial bones.[9,10,11] The decreased incidence of CMF fractures results from fibrous and elastic bone that allows for ‘greenstick’ fractures, which less frequently require fixation.[9,12,13,14,15] As such, the need for open reduction and internal fixation (ORIF) is relatively rare in the setting of pediatric facial trauma and is avoided if possible.[16,17,18] ORIF in this population mandates special consideration of unerupted tooth buds, mixed dentition, ongoing growth of the facial skeleton and the relative inability to tolerate maxillomandibular fixation (MMF).[1,15,19] Nonetheless, improperly treated fractures during childhood and adolescence can result in facial asymmetry, poor aesthetic outcomes and malocclusion, which ultimately result in a higher incidence of corrective orthognathic surgery after skeletal maturity.[20,21,22]
Titanium osteosynthesis has been the standard of care for complex mandibular fractures[9,11]; however, risks inherent to non-resorbable systems are of added concern in the pediatric population. Hazards include transcranial implant migration, metallosis, implant extrusion, stress shielding, imaging interference, growth restriction, thermal sensitivity, and ultimately the need for hardware removal with quoted rates as high as 12-18%.[1,9,11,20,23,24,25,26,27,28,29,30,31] As a result of these concerns, bioresorbable poly(lactic acid) (PLA) based fixation systems commonly used in infant cranial vault remodeling have been explored for use in the ORIF of mandible fractures. While a promising alternative, PLA-based systems have been scrutinized on their ability to provide durable rigid fixation in the presence of the complex muscular forces constantly applied to the mandible.[15,32,33,34]
While the debate on hardware superiority continues, concrete evidence remains scarce.
A systematic review and meta-analysis has been published for adults,[35] and a Cochrane analysis was performed for all patients; however, it was aborted due to lack of evidence.[36,37] To date, no comparative systematic analysis has been conducted that compares the outcomes of titanium and resorbable hardware for the ORIF of pediatric mandible fractures.[38] This study aims to systematically review the studies published on outcomes of ORIF of pediatric mandible fractures, and conduct a retrospective institutional review. A comparative analysis will be performed between those treated with both types of hardware in an effort to determine which material demonstrates a superior complication profile.

Materials and Methods

This study was approved by the Institutional Review Board at Vanderbilt University Medical Center (VUMC) (IRB #191822) and registered with PROSPERO international prospective register of systematic reviews (CRD42020207561). Using the criteria set forth by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), a systematic review of the literature pertaining to the treatment of pediatric mandible fractures was conducted. Published studies were identified by searching the following databases: MEDLINE, Web of Science, Cochrane Collaboration Library, Google Scholar and EMBASE. The search consisted of studies published in the English language between 1990-2020 using any combination of the following search terms: “pediatric mandible fracture,” “open reduction and internal fixation,” “rigid fixation,” “osteosynthesis,” “resorbable,” “absorbable,” “biodegradable,” “titanium,” “metallic,” and/or “outcomes.”
After the initial list of citations was created, abstracts with relevant titles were reviewed. Studies reporting on treatment outcomes of pediatric traumatic mandible fractures by ORIF were then reviewed further. Pediatric patients were defined as those 18 years of age or younger and pathologic fractures were excluded. The resulting manuscripts were reviewed and included in the final analysis if the outcomes were able to be attributed to the specific type of hardware used. In studies with adult and pediatric patients, information was extracted on those 18 and under on a patient-by-patient basis if outcomes and hardware data were available. Patients treated by open reduction only, closed reduction only, MMF only, ORIF with both titanium and resorbable hardware, and those without documented outcomes were excluded.
A retrospective review was then conducted at Monroe Carell Junior Children’s Hospital at Vanderbilt, which is a pediatric, regional level 1 trauma center. The research derivative, which is a database of clinical data derived from VUMC’s clinical systems that has been restructured for research purposes, was used to query electronic medical records. The research derivative was queried for patients 18 and under, treated at Monroe Carell Junior Children’s Hospital at VUMC from 2003-2020. The search included the following ICD-10 diagnostic codes: S02.600-S02.69, S02.80-S02.82, S02.90-S02.92. Query results included ICD-9 procedure text, and those who underwent ORIF were included for review. Patients were included if they underwent ORIF of a traumatic mandible fracture and the hardware system was documented. Patients with pathologic mandibular fractures, those treated by open reduction only, closed reduction only, MMF only, or ORIF with both titanium and resorbable hardware were excluded. Patients abstracted from the systematic and institutional reviews were then combined into a single database for analysis of demographics, treatment and clinical course (Figure 1). The primary endpoint for analysis was complications of any type. Data analysis was then conducted using SPSS (IBM, USA). Discrete numbers were recorded in percentages. Pearson and 2-proportion 2-tailed z-test calculations were used to determine statistical significance, which was defined as a P value <0.05.

Results

Thirty seven studies met inclusion criteria for systematic review, none of which were prospective, randomized clinical trials[1,9,11,15,16,20,21,23,33,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65] (Table 1). After excluding patients over the age of 18, 1,086 patients from the systematic review and 58 from the institutional cohort were included in the final database (Figure 1, Supplement 1). Only 29 studies provided sufficient information to calculate a mean age. The mean ages of each study are listed in Table 1. The means ranged from 0.5 to 17 years; however, only 1 study had a mean age of 17 years and that study presented only 4 patients for analysis. The mean ages from the remaining studies ranged from 0.5-13.3 years and mean follow up time ranged from 1.5 to 67 months.
Of the 1,144 patients analyzed, 349 were treated by ORIF with resorbable hardware and 795 were treated by ORIF with titanium hardware. Information on patient gender, mechanism of injury and patient age was inconsistently available for patient-by-patient abstraction. Descriptive information regarding fracture anatomy, treatment specifics, complications and management thereof are included in Table 2. Only 362/1,144 patients were able to have outcomes to the specific type of fracture treated and the majority (60.2%) were of the symphyseal/parasymphyseal region. Patients were more often treated by ORIF/MMF vs. ORIF alone (59.4% vs. 40.6%) and most (69.5%) patients were treated with titanium hardware. Total complication rate of all patients was 13% and the most common complication was malocclusion. Only 10% of all patients with complications returned to the operating room for management. The most common operative and non-operative interventions for complications were non-elective hardware removal and placement of guiding elastics, respectively. Just over 65% of all patients underwent elective, planned hardware removal (Table 2). The use of ORIF/ MMF instead of ORIF alone did not decrease complications (13%, 24/187 vs. 8%, 8/95; P = 0.32).
Comparisons between the titanium and resorbable groups revealed that condylar/sub-condylar fractures requiring ORIF were more often treated with resorbable hardware (P = 0.01); whereas angle fractures requiring ORIF were more often treated with titanium hardware (P < 0.001). Patients were more likely to be treated by ORIF/MMF vs. ORIF alone in the resorbable group (P = 0.007). Total complications in the titanium and resorbable groups were 14% and 10% respectively and were not significantly different (P = 0.07). Patients treated by ORIF with titanium hardware were more likely to undergo elective hardware removal (P < 0.001) (Table 3). The percentage of complications between resorbable and titanium groups were then compared and stratified by primary, mixed and adult dentition. In each stage of dentition, the percentage of complications between the 2 hardware groups was not statistically different (Table 4).
Hardware subgroups were then compared and analyzed for factors that were associated with a higher risk of complications. In those treated by ORIF with titanium hardware and those treated with resorbable hardware, the specific type of fracture treated did not increase the risk of complications (Figure 2). Within the resorbable cohort, the use of ORIF/ MMF was associated with an increased risk of complications compared to the use of ORIF alone (12.7% vs. 0%, P = 0.004). This was not true for patients treated by ORIF with titanium hardware. Neither hardware subgroup demonstrated an association between plate thickness and complication risk. The risk of complications by fracture site was then compared by plate material, i.e., risk of complications of ramus ORIF with titanium hardware vs. risk of complications of ramus ORIF with resorbable hardware, and there were no significant differences at any anatomic level.

Discussion

The mandible is one of the most commonly fractured facial bones in the setting of pediatric trauma.[9,10,11] For displaced fractures, ORIF remains the standard of care, even in the pediatric population.[9,11,13,44] In addition to fracture stabilization, ORIF can also reduce the duration of MMF, thereby minimizing the risk of TMJ ankylosis.[9,44,45] Substantial progress in the synthesis of biomaterials has resulted in an increase in the amount of pediatric mandible fractures treated with ORIF.[9] These patients present a particular challenge that requires a careful assessment of the risks and benefits of fixating alloplastic material on a growing facial skeleton.[33] While pediatric mandible fractures are often grouped with midand upper facial fractures during analysis, the loadbearing mandible is subject to a unique set of complex muscular forces. As such, mandible fractures warrant individual analysis, especially with regards to the outcomes of specific plating materials.

Titanium Hardware

Historically, titanium plates and screws have been the standard for the ORIF of mandible fractures given their long history of use.[9,33,66] This systematic review identified twice as many pediatric mandible fractures that were fixed with titanium systems vs. resorbable systems. Proposed advantages of titanium hardware include efficiency in placement due to the self drilling nature of some screws and plate versatility, durability and biocompatibility.[14,66,67,68] In this comparative analysis, titanium plates were more frequently used than resorbable plates in the ORIF of angle and symphysis/parasymphysis fractures (Table 3). This may result from the assumption that titanium better resists the complex muscular forces that act on each of these anatomic locations. It also appears that the use of titanium systems is associated with a lower need for postoperative MMF (Table 3). This may be a result of the presumption that titanium results in a more rigid fixation than resorbable plates. Nevertheless, analysis by fracture location did not demonstrate that titanium was superior or inferior to resorbable hardware with regards to total complications (Figure 2).
Disadvantages of titanium hardware include imaging interference, temperature sensitivity, corrosion, hypersensitivity reactions, stress shielding, hardware translocation through the growing skeleton, palpability, chronic pain and infection.[9,11,14,33,69,70,71,72] The presence of developing dentition deserves special consideration. Depending on the child’s age, dentition status varies considerably. In the primary and mixed dentition phases the majority of the mandibular body can be occupied by tooth buds with displacement of the inferior alveolar nerve increasing the risk of bicortical screw placement. Metal hardware may also translocate through the growing mandible into the tooth buds.[44,55] Nevertheless, total complication rates were not significantly different between hardware. 15/ 1,144 patients required reoperation and only 5 required unplanned hardware extraction (Table 2). Many studies also cite concerns for growth restriction of the developing mandible,[9,11,14,33,55,69,70,71,72] which have resulted in many surgeons electively removing hardware used for rigid fixation at a variable number of months postoperatively. While this effectively resolves the issue of growth retardation, it does subject the patient to a second surgery.[9,11,33,44,55] The literature quotes the need for plate removal in the pediatric patient population around 8%[14] and this systematic review shows that 90% of pediatric mandible fractures underwent elective titanium plate removal (Table 3).

Resorbable Hardware

Attempts to avoid placing permanent hardware in the developing skeleton has led to the continued interest in bioresorbable hardware since the 1960’s.[14,73,74,75] Current biodegradable hardware is composed of polygolic acid (PGA), PLA and their co-polymers.[16] PLA has 2 forms, poly L-lactic acid (PLLA) and poly D-lactic acid (PDLLA), the former of which is most commonly used in combination with PGA. Self-reinforcing (SR) techniques have increased the strength of PLLA and PDLLA poly isomers.[76,77] The use of PGA or PLLA alone has resulted in degradationassociated inflammation and foreign body reactions. As such, neither molecule is used in isolation and it is the PGA to PLLA ratio that determines the implant properties.[14] These implants are hydrolyzed, metabolized into carbon dioxide and water, and eliminated through the pulmonary and renal systems. They hold their strength for at least 4 to 9 weeks[16,29,55] and completely degrade by 1-4 years.[16,44,45,55,67,76,78,79]
While multiple studies have shown that current resorbable systems demonstrate comparable flexural and tensile strength to titanium microplates[11,14,33,80]; many still debate that resorbable systems are unable to withstand the loadbearing forces of the mandible. In this systematic review, overall complications were not significantly different between the groups, and neither material was superior with regards to the outcomes of ORIF of any specific fracture (Table 3, Figure 2). The resorbable nature of the plating systems mitigates the risk of growth restriction, plate infection, implant migration and the need for removal.[1,9,33,46] No patients in this study underwent elective hardware removal in the resorbable group, in comparison to 90% of patients in the titanium group (Table 3). Resorbable screws are also mono-cortical, mitigating the risk of tooth bud and inferior alveolar nerve damage.[21,44] Resorbable plates were more commonly used in the ORIF of condylar/subcondylar fractures (Table 3), presumably due to the difficulty of removal and the likely concomitant use of MMF adding an additional layer of immobilization for what some may presume is a weaker fixation system.
Disadvantages of bioresorbable systems include increased placement difficulty due to the need for predrilling and/or pre-tapping of screw threads and the need for a heating device for plate contouring.[9,14,67,68] Additionally, many studies suggest that bioresorbable materials are unable to replicate the strength of titanium systems to withstand the complex muscular forces acting on the mandible.[14,32,34,55,68,81] Although total complications were not different between the groups, the use of MMF was higher in the resorbable group, suggesting that surgeons may agree with this assumption. This is supported by several clinical studies reporting on the increased use of MMF after ORIF of pediatric mandible fracture with resorbable systems[11,34,44,47,82,83,84] Complications associated with resorbable systems include swelling, fistula formation, sterile abscesses, osteolysis, plate fracture and plate dehiscence.[9,14,23,34,45,47,50,68,82,83,84,85,86,87,88] Lastly, the use of bioresorbable systems for ORIF of mandible fractures is still considered off-label by the US Food and Drug Administration.[14]

Maxillomandibular Fixation

The need for MMF adds a layer of complexity to the management of pediatric mandible fractures. Placement becomes more difficult due to exfoliated teeth and the crown shape of the primary dentition.[44] In addition, MMF is poorly tolerated in younger patients due to the risks of airway compromise, decreased nutritional intake, difficulty phonating, TMJ ankylosis, insomnia and poor oral hygiene.[15,61,89,90,91,92] As such, one goal in the management of pediatric mandible fractures is to minimize and/or completely eliminate the use of MMF.”[15,89,90,93] While MMF was more commonly used in the resorbable subgroup, over 50% of patients in both subgroups still required MMF placement of some duration (Table 3), indicating that neither hardware appears to obviate the need for MMF in the pediatric patient. The use of ORIF was also not associated with a statistically significant decrease in complications. Another disadvantage in the pediatric population is that some form of anesthetic is usually required for MMF removal.[44] In the institutional cohort, 85% (41/48) patients required either intravenous sedation or general anesthesia for MMF removal (Supplement 1).
As a systematic review, this study is limited by the quality of published evidence, which in turn precluded the ability to perform a meta-analysis. The studies that were systematically reviewed were more often than not of low sample size (Table 1). A major limitation of this study was the lack of available data to conduct a subset analysis by stage of dentition. Of the 1,144 patients analyzed in this study, only 184 patients (66 titanium and 108 resorbable) had individual age data available. Most studies reported mean ages, rather than the ages of each patient analyzed. When individual patient ages were available, they were abstracted and input into the master data set. Additionally, many of the studies systematically analyzed presented data on mandible and midfacial fractures mixed together. While the analysis demonstrated no significant difference in complications when patients were stratified by dentition stage, this data should be interpreted with caution given the small sample sizes analyzed. Additionally, due to the relatively short mean follow-up time, conclusions could not be drawn regarding growth restriction. While results were calculated by specific resorbable plate manufacturers, the sample sizes were too small to allow for a meaningful statistical analysis. The institutional review arm of the study was limited by the retrospective, observational nature. Future studies should seek to publish their outcomes with as much patient and treatment specific data as possible to help increase the pool of data available for analysis. Future studies should aim to conduct randomized, controlled clinical trials on the treatment of pediatric mandible fractures by site. Patients should also be controlled for the use of MMF.
In conclusion, this study represents the largest summary of evidence comparing titanium and resorbable hardware for the ORIF of pediatric mandible fractures. The results of this study show that neither titanium nor resorbable hardware has a superior complication profile when treating pediatric mandible fractures that require ORIF. There is no benefit of using one material over the other with regards to specific fracture patterns and neither material obviates the need for MMF. Consideration of the use of resorbable hardware should be given when available, given the noninferior complication profile and the fact that titanium hardware often requires extraction with additional anesthetic. The ultimate choice of hardware selection should remain at the discretion of the surgeon with the goals of obtaining rigid fixation while minimizing MMF and secondary procedures requiring anesthesia.

Supplementary Materials

Supplemental material for this article is available online.

Funding

The author(s) received no financial support for the research, authorship, and/or publication of this article.

Acknowledgments

The authors would like to thank the Surgical Outcomes Center for Kids (SOCKS) at Monroe Carell Jr. Children’s Hospital at Vanderbilt. Special thanks to M. Owais A. Ghani, MBBS; Brittany E. Lipscomb, CCRP and Heidi Chen, PhD for their assistance with critical data analysis.

Conflicts of Interest

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

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Figure 1. Trial flow diagram demonstrating the process by which patients were selected for systematic and institutional review.
Figure 1. Trial flow diagram demonstrating the process by which patients were selected for systematic and institutional review.
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Figure 2. Image depicts 2 separate analyses. On the left, complication rates for resorbable fixation are listed by fracture site, statistical analysis was then performed to determine if the use of resorbable hardware for ORIF of any of the fractures listed increased the risk of complications in the resorbable subgroup. The process was then repeated on the right side for the titanium subgroup. A separate analysis was then performed comparing the risk of complications between the titanium and resorbable subgroups by fracture site.
Figure 2. Image depicts 2 separate analyses. On the left, complication rates for resorbable fixation are listed by fracture site, statistical analysis was then performed to determine if the use of resorbable hardware for ORIF of any of the fractures listed increased the risk of complications in the resorbable subgroup. The process was then repeated on the right side for the titanium subgroup. A separate analysis was then performed comparing the risk of complications between the titanium and resorbable subgroups by fracture site.
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Table 1. Summary of Studies Included in Systematic Review and Final Comparative Analysis.
Table 1. Summary of Studies Included in Systematic Review and Final Comparative Analysis.
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*Number of patients included in final analysis; **Plate manufacturer for resorbable systems. Monroe Carrel Jr. Children’s Hospital at Vanderbilt; LactoSorb (Zimmer Biomet, Jacksonville, FL); OSTEOTRANS MX (Takiron Co, Ltd., Osaka, Japan); SK Surgical (Pune, India); BioSorb FX (Linvatec Corp, Largo, FL); MacroSorb (MacroPore, San Diego, CA); PolyMax (Synthes, Oberdorf, Switzerland); Inion CPS (Inion, Tampere, Finland); Delta (Stryker, Kalamazoo, MI); SonicWeld Rx (KLS Martin, Jacksonville, FL); Grand Fix (Gunze Ltd., Kyoto, Japan); Rapidsorb (Synthes, Oberdorf, Switzerland).
Table 2. Analysis of Total Patient Sample.
Table 2. Analysis of Total Patient Sample.
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Information on age, gender and mechanism of injury were inconsistently available and unable to be abstracted by individual patients in most studies. ORIF – open reduction and internal fixation, MMF – maxillomandibular fixation, SSI – surgical site infection, I&D – incision and drainage/debridement. KLS (KLS Martin, Jacksonville, FL); Synthes (Synthes, Oberdorf, Switzerland); Stryker (Stryker, Kalamazoo, MI); LactoSorb (Zimmer Biomet, Jacksonville, FL); OSTEOTRANS MX (Takiron Co, Ltd., Osaka, Japan); SK Surgical (Pune, India); BioSorb FX (Linvatec Corp, Largo, FL); MacroSorb (MacroPore, San Diego, CA); PolyMax (Synthes, Oberdorf, Switzerland); Inion CPS (Inion, Tampere, Finland); Delta (Stryker, Kalamazoo, MI); SonicWeld Rx (KLS Martin, Jacksonville, FL); Grand Fix (Gunze Ltd., Kyoto, Japan); Rapidsorb (Synthes, Oberdorf, Switzerland).
Table 3. Treatment Comparisons Between Patients Undergoing ORIF with Titanium or Resorbable Systems.
Table 3. Treatment Comparisons Between Patients Undergoing ORIF with Titanium or Resorbable Systems.
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ORIF—open reduction and internal fixation, MMF – maxillomandibular fixation. 1Groups were compared using Pearson’s chi-squared test with P values of less than 0.05 were considered significant. Bolded and italicized values indicate statistical significance.
Table 4. Comparison of Complications Between Hardware Groups By Dentition Stage.
Table 4. Comparison of Complications Between Hardware Groups By Dentition Stage.
Titanium System ComplicationsResorbable System ComplicationsTest Statistic1
Dentition Stage
 • Primary12.5% (3/24)13.3% (4/30)P = 1.00
 • Mixed12% (3/25)6.7% (3/45)P = 0.66
 • Adult11.1% (3/27)6.1% (2/33)P = 0.65
Primary dentition stage was defined as 6 months to 6 years, mixed dentition stage was defined as > 6 years until 12 years and adult dentition stage was defined as greater than 12 years. 1Groups were compared using Fisher’s 2-tailed t test with P values of less than 0.05 were considered significant. Bolded and italicized values indicate statistical significance.

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MDPI and ACS Style

Pontell, M.E.; Niklinska, E.B.; Braun, S.A.; Jaeger, N.; Kelly, K.J.; Golinko, M.S. Resorbable Versus Titanium Rigid Fixation for Pediatric Mandibular Fractures: A Systematic Review, Institutional Experience and Comparative Analysis. Craniomaxillofac. Trauma Reconstr. 2022, 15, 189-200. https://doi.org/10.1177/19433875211022573

AMA Style

Pontell ME, Niklinska EB, Braun SA, Jaeger N, Kelly KJ, Golinko MS. Resorbable Versus Titanium Rigid Fixation for Pediatric Mandibular Fractures: A Systematic Review, Institutional Experience and Comparative Analysis. Craniomaxillofacial Trauma & Reconstruction. 2022; 15(3):189-200. https://doi.org/10.1177/19433875211022573

Chicago/Turabian Style

Pontell, Matthew E., Eva B. Niklinska, Stephane A. Braun, Nolan Jaeger, Kevin J. Kelly, and Michael S. Golinko. 2022. "Resorbable Versus Titanium Rigid Fixation for Pediatric Mandibular Fractures: A Systematic Review, Institutional Experience and Comparative Analysis" Craniomaxillofacial Trauma & Reconstruction 15, no. 3: 189-200. https://doi.org/10.1177/19433875211022573

APA Style

Pontell, M. E., Niklinska, E. B., Braun, S. A., Jaeger, N., Kelly, K. J., & Golinko, M. S. (2022). Resorbable Versus Titanium Rigid Fixation for Pediatric Mandibular Fractures: A Systematic Review, Institutional Experience and Comparative Analysis. Craniomaxillofacial Trauma & Reconstruction, 15(3), 189-200. https://doi.org/10.1177/19433875211022573

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