Digital Diagnosis and Treatment Program for Maxillofacial Fractures: A Retrospective Analysis of 626 Cases

Zeng, Wei; Lian, Xiaotian; Chen, Gang; Jü, Rui; Tian, Weidong; Tang, Wei

doi:10.1016/j.joms.2017.11.040

Cited by 10 publications

(7 citation statements)

References 21 publications

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“…The study models obtained were then scanned using an optical scanner (3Shape D900; Dental 3D Solutions, Houston, TX, USA). The digital data of these models were imported as STL files into a reverse 3D engineering software (Geomagic ® Control X; 3D Systems, Rock Hill, South Carolina, USA) which has previously been used in dental research to evaluate tissue changes over time (Cali et al, ; Tomasi et al, ; Zeng et al, ). Digital files from various time‐points were superimposed and matched using a best fit‐algorithm to evaluate the changes in the ridge dimension on the labial aspect of the implant.…”

Section: Methodsmentioning

confidence: 99%

“…The impressions were poured using die stone (Fuji Rock EP; GC Australasia, Sydney, Australia). The study models obtained were then scanned using an optical scanner (3Shape D900; Dental 3D which has previously been used in dental research to evaluate tissue changes over time (Cali et al, 2018;Tomasi et al, 2018;Zeng et al, 2017). Digital files from various time-points were superimposed and matched using a best fit-algorithm to evaluate the changes in the ridge dimension on the labial aspect of the implant.…”

Section: Facial Ridge Dimensional Changesmentioning

confidence: 99%

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Immediate and early implant placement in single‐tooth gaps in the anterior maxilla: A prospective study on ridge dimensional, clinical, and aesthetic changes

Arora

Ivanovski

2018

Clinical Oral Implants Res

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Objectives: This prospective study evaluated the impact of timing of placement (immediate and early) on the horizontal ridge dimensional changes, clinical, and aesthetic outcomes of implants placed in single-tooth gaps in the anterior maxilla.Materials and methods: Implants were placed in single-tooth gaps in the anterior maxilla of 30 patients, either immediately after extraction (Group A, n = 15) or after a healing period of 4-8 weeks (Group B, n = 15). In both groups, implant placement was followed by a 3-to 4-month period of non-submerged healing, after which definitive crowns were placed. Study models were obtained before extraction (T0), at implant placement (T1), at the insertion of a definitive crown (T2), and 1-year thereafter (T3). Horizontal ridge dimensional changes were measured by superimposing the optical scans of the study models from different time-points. Radiographs and photographs were used to evaluate changes in marginal bone levels and soft tissue recession. Aesthetic evaluation was carried out using the Pink and White Esthetic Score (PES and WES) indices. Patient-reported outcomes were measured using a subjective questionnaire.Results: A 100% implant survival rate was observed in both groups after a 1-year follow-up. Analysis showed a labial horizontal tissue dimensional change of 0.61 mm and 0.72 mm from T0 to T3 in Groups A and B, respectively. Acceptable PES values were observed in both groups (Group A: 9.40; Group B: 9.27) after the 1-year followup period. No incidence of advanced mucosal recession was observed between definitive crown insertion and 1-year follow-up in both groups. No significant changes were observed for all other measured variables at different time-points.Conclusions: Immediate and early placed implants in single-tooth gaps in the anterior maxilla showed similar ridge dimensional changes as well as acceptable clinical, aesthetic, and patient-centred outcomes in the short-term (1-year follow-up).

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Section: Methodsmentioning

confidence: 99%

Section: Facial Ridge Dimensional Changesmentioning

confidence: 99%

Immediate and early implant placement in single‐tooth gaps in the anterior maxilla: A prospective study on ridge dimensional, clinical, and aesthetic changes

Arora

Ivanovski

2018

Clinical Oral Implants Res

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“…In some studies, zygoma is reduced by fixing the lateral wall of orbit and measuring the zygoma displacement at zygomatic body points with computer navigation technology. 1,26,27 However, it is also located by the collection of points in the computer navigation technology, and the symmetry of bilateral zygomatic reduction is debatable. Moreover, it is difficult to popularize it at present due to the complicated location technology, the complicated operation, and the expensive equipment.…”

Section: Discussionmentioning

confidence: 99%

“…However, this kind of positioning device only focuses on the collection and comparison of points, so it is still difficult to reproduce curved surface and threedimensional structure. In some studies, zygoma is reduced by fixing the lateral wall of orbit and measuring the zygoma displacement at zygomatic body points with computer navigation technology 1,26,27 . However, it is also located by the collection of points in the computer navigation technology, and the symmetry of bilateral zygomatic reduction is debatable.…”

Section: Discussionmentioning

confidence: 99%

Application of Computer-Aided Design and Individualized Templates for Bilateral Zygomaticomaxillary Complex Fractures

Zhou

Chen

et al. 2021

Journal of Craniofacial Surgery

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Purpose: Reduction of the bilateral zygomaticomaxillary complex (ZMC) fracture with individualized templates based on computeraided surgical simulation system. To evaluate the practicality and accuracy of this approach in the treatment of bilateral ZMC fracture. Methods: Sixteen patients with bilateral ZMC fractures were collected to create a study model. The authors reconstruct the ZMC on one side via the three-dimensional (3D) model, and then mirrored to the opposite side. Multiple individualized templates were made based on the 3D model, and used as intraoperative guidance to reduce fractures. After surgery, the facial symmetry and the position of zygoma were observed. The mouth opening, pupil level, and sensation of infraorbital nerve were evaluated. Some mark points on zygoma were measured and the postoperative horizontal asymmetry rate (H) was calculated. Besides, orbital height and width were measured. Results: For all patients, the position of bilateral ZMC was basically restored. The patients with restriction of mouth opening all recovered to normal. The H values were less than 3.0% at all mark points. There was almost no difference in bilateral orbital width and height. Meanwhile, there was no significant difference between the preoperative measurements of the ideal virtual 3D model and the postoperative measurements of patients. Conclusions: The study proves that application of computer-aided design and individualized templates can accurately guide the reduction operation of ZMC fracture, restore the ideal shape of ZMC, and obtain good facial symmetry.

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“…For example, the poor visibility of the intraoral approach can be overcome by using intraoperative 3-dimensional (3D)-arm cone-beam computed tomography and intraoperative navigation that enables surgeons to monitor fracture reduction in all three anatomical planes continuously [ 8 , 9 ]. Virtual surgical planning with a digital template is another innovative option that has a proven ability to facilitate precise intraoperative reduction of the fracture segment [ 10 ]. Increased surgical accessibility during the intraoral approach can be achieved by modifying the design of the instruments.…”

Section: Future Outlooksmentioning

confidence: 99%

Extraoral versus endoscopic-assisted transoral treatment modalities for mandibular condylar fractures: a current opinion

Anand¹,

Panwar²

2021

Arch Plast Surg

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Digital Diagnosis and Treatment Program for Maxillofacial Fractures: A Retrospective Analysis of 626 Cases

Cited by 10 publications

References 21 publications

Immediate and early implant placement in single‐tooth gaps in the anterior maxilla: A prospective study on ridge dimensional, clinical, and aesthetic changes

Immediate and early implant placement in single‐tooth gaps in the anterior maxilla: A prospective study on ridge dimensional, clinical, and aesthetic changes

Application of Computer-Aided Design and Individualized Templates for Bilateral Zygomaticomaxillary Complex Fractures

Extraoral versus endoscopic-assisted transoral treatment modalities for mandibular condylar fractures: a current opinion

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