Tooth preparation
Dental Procedures
estimated about CNY 300-800
Disclaimer: This site is a medical service platform; some page content is AI-assisted. Health-related information does not constitute medical advice. If you have any questions, please consult a healthcare professional. See full disclaimer
Description
Tooth preparation is a dental procedure performed before crowns, bridges, or veneers to shape teeth for optimal fit and function, typically costing ¥300–¥800 in China; ChinaMedicalHub assists with hospital booking and interpreter support.
Main Uses
Tooth preparation is performed to create adequate space, retention, resistance form, and marginal integrity for dental restorations including crowns, bridges, veneers, inlays, onlays, and implant abutments; it is essential prior to impression-taking or digital scanning and enables biocompatible, functional, and aesthetic rehabilitation of damaged, decayed, or malformed teeth.
Normal Range
Dental preparation (tooth preparation) is not a quantitative laboratory test with numerical reference ranges; it is a clinical procedural step in restorative dentistry. There are no standardized 'normal values' such as mmol/L or % — instead, success is assessed qualitatively and dimensionally based on evidence-based guidelines: axial wall height ≥ 2–3 mm, occlusal reduction 1.5–2.0 mm for metal-ceramic crowns, 1.0–1.5 mm for all-ceramic crowns, taper (convergence angle) 4–10 degrees, and clearly defined finish lines (e.g., chamfer 0.5–1.0 mm wide). These parameters vary by restoration type, tooth location, and material.
Low Values - Possible Causes
Insufficient tooth preparation (e.g., inadequate reduction, shallow depth, or excessive taper) commonly results from operator inexperience, poor visualization, lack of proper instrumentation, failure to use depth-cutting burs or depth guides, or patient-related factors such as limited mouth opening or gag reflex limiting access.
High Values - Possible Causes
Excessive tooth preparation (over-preparation) may occur due to aggressive bur technique, misjudgment of required reduction depth, use of worn or non-calibrated instruments, lack of reference markings (e.g., depth grooves), or attempting to compensate for severe caries or existing large restorations without adequate diagnostic planning.
estimated about CNY 300-800