Cone Beam Computed Tomography (CBCT)
Dental Procedures
estimated about CNY 400-1200
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Description
Cone Beam CT (CBCT) is a specialized 3D dental and maxillofacial imaging scan used for precise diagnosis of jaw, tooth, and sinus conditions—costs typically range from ¥400 to ¥1200 in China, with ChinaMedicalHub assisting with hospital booking and interpreter support.
Main Uses
Primary clinical uses include: (1) pre-surgical planning for dental implant placement (assessing bone volume, density, nerve/sinus proximity), (2) diagnosis and management of impacted teeth (especially third molars and canines), (3) evaluation of temporomandibular joint (TMJ) osseous morphology and degenerative changes, (4) detection and characterization of odontogenic cysts, tumors, and inflammatory jaw lesions, (5) orthodontic assessment of skeletal relationships, airway analysis, and root resorption, (6) endodontic evaluation of complex root canal anatomy and periapical pathology.
Normal Range
Cone Beam Computed Tomography (CBCT) is a qualitative imaging modality, not a quantitative laboratory test; therefore, it has no numerical 'normal range' or reference values. Image interpretation relies on radiographic anatomy: normal findings include symmetrical bony structures, intact cortical bone, appropriate tooth root morphology and periodontal ligament space (0.15–0.35 mm), absence of radiolucencies or pathologic lesions, and anatomically accurate spatial relationships among teeth, jaws, sinuses, and neurovascular canals.
Low Values - Possible Causes
CBCT does not produce 'low values' in the biochemical sense; however, suboptimal image quality—sometimes mischaracterized as 'low output'—may result from: (1) insufficient radiation dose (underexposure), (2) patient motion during acquisition, (3) incorrect field-of-view (FOV) selection excluding key anatomy, (4) metal artifacts from dental restorations obscuring detail, (5) inadequate voxel resolution settings for diagnostic task.
High Values - Possible Causes
CBCT does not yield 'high values' numerically; however, excessive or non-diagnostic findings may arise from: (1) unnecessarily large field-of-view increasing radiation exposure without clinical benefit, (2) excessive mAs/kVp settings leading to increased patient dose and potential image noise or blooming artifacts, (3) overinterpretation of incidental anatomic variants (e.g., pneumatized anterior nasal spine, accessory sinus ostia) as pathology, (4) artifact amplification due to metallic implants or movement, (5) inappropriate reconstruction algorithms exaggerating edge enhancement or noise.
estimated about CNY 400-1200