4 results match your criteria Oral surgery oral medicine oral pathology and oral radiology[Journal]

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Effects of wear time differences of removable functional appliances in class II patients: prospective MRI study of TMJ and masticatory muscle changes.

Oral Radiol 2019 Mar 12. Epub 2019 Mar 12.

Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Kocaeli University, Kocaeli, Turkey.

Objectives: The aim of this prospective study was to evaluate the short-term effects of full-time and night-time wear of functional appliances on the temporomandibular joint (TMJ) and masticatory muscles and to compare the differences in craniofacial structures, TMJ, and masticatory muscles with magnetic resonance imaging (MRI).

Methods: The study was carried out using cephalometric radiographs and MRI of 20 Class II patients who were treated with monoblock/twin-block appliances. The patients were divided into 2 groups: ten patients in Group 1 used their appliances all day, while ten patients in Group 2 were instructed to wear the appliances during sleep. Read More

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http://dx.doi.org/10.1007/s11282-019-00379-0DOI Listing

A methodological approach to standardize and control the quality of the position and alignment of lamina implants on two-dimensional radiographs.

Oral Radiol 2019 Feb 4. Epub 2019 Feb 4.

Department of Neurosciences, Reproductive and Odontostomatological Sciences, School of Medicine and Surgery, University of Naples "Federico II", Via S. Pansini 5, 80100, Naples, Italy.

Objectives: We sought to validate a new method to detect the degree of correlation between simulated and real tilted blade implants as they appear on a single two-dimensional radiograph.

Methods: The angular correction factor (CF^) was defined as the coupling of two subsequent angle transformations, a set of five angular values describing the theoretical radiographic appearance of the blade implant: (1) three consecutive rotations about the axes of the blade ([Formula: see text], θ, and ψ, standing for pitch, roll, and yaw, respectively) to represent the polarization directions; (2) a two-dimensional projection defined by two angles (λ and [Formula: see text], respectively, longitude and latitude) to represent the vector of the X-ray beam intersecting the detector plate. Data of patients who received fixed prostheses supported by blade-form implants were employed to calculate a dimensional correction factor (CF°), a specific length through the major axis. Read More

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http://dx.doi.org/10.1007/s11282-019-00374-5DOI Listing
February 2019
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Evaluation of osseous changes in dental panoramic radiography of thalassemia patients using mandibular indexes and fractal size analysis.

Oral Radiol 2019 Jan 24. Epub 2019 Jan 24.

Medicine Faculty, Department of Biostatistics and Medical Informatics, Istanbul Medeniyet University, Istanbul, Turkey.

Objective: This study aimed to evaluate the radiomorphometric indexes and fractal dimension (FD) on dental panoramic radiography (DPR) of Thalassemia Major (TM) patients.

Methods: In 59 TM patients and in 59 healthy control subjects, mandibular cortical index (MCI), mandibular cortical width (MCW), panoramic mandibular index (PMI), and FD of four different regions (FD1-4) were evaluated and compared using DPRs.

Results: The distribution of MCI in TM patients was similar to control subjects (p > 0. Read More

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http://dx.doi.org/10.1007/s11282-019-00372-7DOI Listing
January 2019
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Schwannoma assumedly originating from the submandibular ganglion or glandular branches radiologically mimicking a submandibular gland tumor.

Oral Radiol 2019 May 3;35(2):189-193. Epub 2018 May 3.

Department of Radiology, The Jikei University School of Medicine, 3-25-8, Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan.

Schwannoma is a benign nerve sheath tumor composed of Schwann cells. Schwannomas originating from ganglia are rare, and schwannomas of the submandibular ganglion or glandular branches have not been reported to date. We present a case of a Japanese woman in her sixties with a submandibular schwannoma originating from the submandibular ganglion, mimicking a submandibular gland tumor on radiological findings. Read More

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http://dx.doi.org/10.1007/s11282-018-0332-1DOI Listing
May 2019
4 Reads
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