Measurements of the Zygomatic Bones and Morphology of the Zygomaticofacial and Zygomaticotemporal foramina in Korean

Kim, Hee Jin; Paik, Doo Jin; Choi, Byung Young; Chung, Min Seok; Han, Seung Ho; Hwang, Young Il; Sohn, Hyung Jun; Chung, Rak Hee; Koh, Ki Seok

doi:10.11637/kjpa.1997.10.2.225

Cited by 18 publications

(9 citation statements)

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“…The discrepancies in the above 3 results (Kim et al, 1997;Loukas et al, 2008; the present study) are assumed to be due to differences in research methods. Kim et al 9 used the classic anthropologic method, whereas Loukas et al examined the specimens using digital photographs with an image analysis program.…”

Section: Discussionmentioning

confidence: 73%

“…12 In the present study, 1 or more ZF and ZT foramina were observed in every specimen. In contrast, in another Korean study performed by Kim et al, 9 the cases of absence of the ZF and ZT foramina were documented as 12.0% and 7.3%, respectively, in 192 Korean skulls. In contrast, in another Korean study performed by Kim et al, 9 the cases of absence of the ZF and ZT foramina were documented as 12.0% and 7.3%, respectively, in 192 Korean skulls.…”

Section: Discussionmentioning

confidence: 75%

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Three-dimensional Courses of Zygomaticofacial and Zygomaticotemporal Canals Using Micro-computed Tomography in Korean

Kim¹,

Oh²,

Choi³

et al. 2013

Journal of Craniofacial Surgery

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The zygomatic nerve (ZN), which originates from the maxillary nerve at the pterygopalatine fossa, enters the orbit through the inferior orbital fissure. Within the lateral region of the orbit, the ZN divides into the zygomaticofacial (ZF) and zygomaticotemporal (ZT) nerves. The ZF and ZT nerves then pass on to the face and temporal region through the zygomaticoorbital foramen and enter their own bony canals within the zygomatic bone. However, multiple zygomaticofacial and zygomaticotemporal canals (ZFCs and ZTCs, respectively) can be observed, and their detailed intrabony courses are unknown. The aim of this study was clarify the three-dimensional intrabony courses and running patterns of the ZFCs and ZTCs, both to obtain a detailed anatomical description and for clinical purposes. Fourteen sides of the zygomatic bones were scanned as two-dimensional images using a micro-computed tomography (CT), with 32-μm slice thickness. Intrabony structures of each canals were three-dimensionally reconstructed and analyzed using Mimics computer software (Version 10.01; Materialise, Leuven, Belgium). We found that some ZTC was originated from ZFC. In 71.4% of the specimens, the ZTC(s) divided from the intrabony canal along the course of the ZFC(s). In other cases, 28.6% of ZTCs were opened through each corresponding ZT foramen. Zygomaticofacial canal originates from zygomaticoorbital foramen, divided into some of ZTCs, and is finally opened as ZF foramen. This new anatomical description of the intrabony structures of the ZFC(s) and ZTC(s) within the zygomatic bone by micro-CT technology provided helpful information to surgeons performing clinical procedures such as Le Fort osteotomy and reconstructive surgeries in the midface region.

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Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 75%

Three-dimensional Courses of Zygomaticofacial and Zygomaticotemporal Canals Using Micro-computed Tomography in Korean

Kim¹,

Oh²,

Choi³

et al. 2013

Journal of Craniofacial Surgery

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“…Furthermore, a study by Kim et al . (1997), examined the variations of the ZF and ZT foramina in 192 skulls of exclusively Korean descent.…”

Section: Discussionmentioning

confidence: 99%

“…The zygomatic bones are larger particularly among individuals of Asian descent, contributing to their more prominent cheekbones and euryene face, in comparison to those of European decent (Comas, 1960). In the present study we investigated primarily non‐Asian skulls in contrast to the work by Kim et al ., which involved exclusively specimens of Korean descent (DuBrul, 1988; Kim et al ., 1997). The incidence of unique foramina is one of a group of non‐metrical variants that are often used by anthropologists as markers in differentiating populations and races (Mangal et al ., 2004).…”

Section: Discussionmentioning

confidence: 99%

Zygomaticofacial, zygomaticoorbital and zygomaticotemporal foramina: Anatomical study

et al. 2008

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The zygomatic nerve may be disrupted when elevating periorbita from the lateral wall during orbital surgery, and care should be taken to prevent injury to this nerve during lateral orbitotomy approaches to access intraorbital soft-tissue tumors. Furthermore, the precise introduction of anesthetics to the zygomaticoorbital (ZO), zygomaticofacial (ZF) and zygomaticotemporal (ZT) foramina could be important data for the plastic and reconstructive surgeon operating in the area. The aim of the present study was to investigate the morphologic and topographic anatomy, and variations of the ZO, ZF and ZT. The present study was performed using 200 dry human skulls. The ZF, ZO and ZT foramina varied from being absent to as many as four small openings. We classified each of these foramina as types I-V for single, double, triple, quadruple and absent foramina, respectively. The relative frequency was as follows: type I, ZO 50%, ZF 40%, ZT 30%; type II, ZO 20%, ZF 15%, ZT 15%; type III, ZO 10%, ZF 5%, ZT 5%; type IV, ZO 3%, ZF 1%, ZT-; and type V, ZO 17%, ZF 39%, ZT 50%. A detailed knowledge of the anatomic morphometry of this area is necessary for a surgeon when performing maxillofacial surgery and regional block anesthesia. Anatomic variations in this area may be present and a surgeon must take this into consideration so as to increase surgical success.

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“…There are certain complications associated during osteotomy, in which displacement of impacted maxillary third molar into infratemporal space which is rare. [ 7 4 11 12 ]…”

Section: Discussionmentioning

confidence: 99%

Removal of displaced maxillary third molar using modified gillie's temporal approach

Shruthi

Shetty

Imran

et al. 2020

Ann Maxillofac Surg

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Tooth impaction is a pathological situation where a tooth is unable to achieve its normal functional position within the expected time span. The removal may be associated with intra-operative or post-operative complications. The Le Fort I osteotomy is a procedure used by maxillofacial surgeons to correct a wide range of dentofacial deformities. Due to its versatility and simplicity, it has gained popularity for a wide range of uses. This case report describes the location and surgical removal of a right maxillary third molar which was accidentally displaced into the infratemporal fossa in a 26-year-old female while performing Le Fort I osteotomy. The patient underwent a second surgery for the retrieval of tooth using modified Gillie's temporal approach. The important role of the cone beam computed tomography in determining the localization of the displaced tooth is demonstrated.

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Measurements of the Zygomatic Bones and Morphology of the Zygomaticofacial and Zygomaticotemporal foramina in Korean

Cited by 18 publications

References 0 publications

Three-dimensional Courses of Zygomaticofacial and Zygomaticotemporal Canals Using Micro-computed Tomography in Korean

Three-dimensional Courses of Zygomaticofacial and Zygomaticotemporal Canals Using Micro-computed Tomography in Korean

Zygomaticofacial, zygomaticoorbital and zygomaticotemporal foramina: Anatomical study

Removal of displaced maxillary third molar using modified gillie's temporal approach

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