Digital Smile Design Workflow

Dentist Wang Nan walks us through his digital smile design workflow with 3D scanning and 3D printing.

Dentist

Wang Nan
Core member of digital aesthetics studio at Hangzhou Dental Hospital (west branch)

Products required

• Aoralscan intraoral scanner
• EinScan face 3D scanner
• AccuFab-D1 3D printer

Case Overview

The patient’s first visit in January, 2016:

May, 2016, after a periodontal and basic dental treatment:

The patient in May, 2019, after orthodontic treatment:

Chief complaint: bad-looking anterior teeth, together with maxillary posterior tooth loss and tooth body defect.

Preoperative Examination

Red and swollen gums, tooth calculus, soft tartar in level 3
Periodontal bleeding and no obvious “attachment loss”
#14, #24 teeth missing
#33 – #43 decay in lip and approximal side; #34, #45, #47 severe decay
#13 – #23 partial tooth loss and aesthetic defect

Face is symmetrical on the left and right sides
No obvious disorder in the lower third of the patient’s face 
No obvious discomfort or tenderness in joints

Treatment Plan

Stage I

Oral rehabilitation within 3 months after the first stage of treatment

Stage II

Aesthetic restoration of upper anterior teeth

Major problems

Solution

Face-oriented aesthetic restoration

Digital Smile Design Workflow

1. Data acquisition

Acquire data with SHINING 3D’s Aoralscan intraoral scanner

2. DSD design

2.1. 2D DSD

2.2. DSD design – 3D DSD

3. Diagnostic model making

4. Mock up

5. Tooth preparation

Once the mock up is confirmed, prepare patient’s teeth.

6. Shade

Determine the tooth shade after tooth preparation

7. Data acquisition

Acquire the intraoral data after tooth preparation with SHINING 3D’s Aoralscan intraoral scanner.

8. Finish restoration

9. Try-in

Analysis of try-in

Special thanks to Hangzhou Dental Hospital