case_images: PMC8497133_01
case_images: Subperiosteal cosmetic filler in the mandible (case 1): (a) panoramic radiograph showing linear radiopaque lines (arrows); (b) axial CBCT image showing a bilateral, subperiosteal cosmetic filler at the buccal cortex of the posterior mandible; (c) coronal CBCT image showing bilateral zygomatic implants (dotted arrows).
case_images: CRID2021-7308636.001.jpg
case_images: PMC8497133_01_CRID2021-7308636.001.jpg
case_images: fig1
case_images: On the panoramic radiograph, there were two, subtle, linear radiopaque lines extending from the apical end of implants #36 and #46 to the root apices of teeth #34 and #34, respectively, with parallel lines diverging medially and inferiorly toward the inferior border of the parasymphysis (Figure 1(a)). The cone beam CT depicted a well-defined predominantly radiolucent entity along the buccal cortex of the mandible extending from the right mandibular molar area and crossing the midline to the left mandibular molar area (Figure 1(b)). In addition, there were bilateral, uniform, high-attenuation objects within the soft tissues along the outer cortex of the zygomatic process of maxilla and zygomatic bone (Figure 1(c)).
case_images: PMC8497133_02
case_images: CBCT images of the subdermal CaHA filler (case 2): (a) axial and (b) coronal CBCT images showing multiple, conglomerate high-attenuation entities within the dermal layers anterior to the maxillae and lateral to the masseter muscles; (c) axial and (d) coronal CBCT images after 9 months showing resorption and posterior migration of the filler.
case_images: CRID2021-7308636.002.jpg
case_images: PMC8497133_02_CRID2021-7308636.002.jpg
case_images: fig2
case_images: A cluster of multiple radiopacities was incidentally noted in the immediate soft tissues lateral to the left masseter muscle and bilaterally below the zygoma (Figures 2(a) and 2(b). Nine months postbone graft for dental implant purposes, the filler material showed posterior-superior migration and reduction in size and density (Figures 2(c) and 2(d)).