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Table 4 Prosthetic complications

From: Current status of implant prosthetics in Japan: a survey among certified dental lab technicians

Question

 

Values

Q9. What are the main issues generally encountered?

Compatibility precision issues

29.6%

Aesthetic issues

33.2%

Occlusal issues

37.2%

Q10. What are the main fabrication challenges faced?

Poor implant location and orientation

42.4%

Inadequate consideration of occlusion

17.0%

Defects and inaccuracies in impression and bite registration

29.0%

Defective or unreasonable prosthesis design

10.6%

Other

1.0%

Q11. What are the frequently received repair requests involving implant fixed prostheses?

Facing damage and chipping

54.5%

Facing discoloration and wear (indirect composite veneer crowns)

17.0%

Bridge connector fracture

10.0%

Design changes and modification associated with additional implants

13.9%

Other

4.6%

Q12. What kind of creative steps do you take in order to prevent veneer fracture and chipping in the molar region?

Use of metal occlusal designs

15.1%

Use of indirect composite resin material

15.7%

Devise metal coping designs

36.3%

Cover the distal-most part with metal

24.0%

Nothing in particular

8.9%

Q13. What are the frequently received repair requests for IODs?

Fracturing of the denture base or denture tooth detachment/fracture

53.8%

Mesostructure (attachment) damage

8.4%

Occlusal reconstruction due to denture wear or attrition

24.1%

Replacement of the attachment system (transition to another system)

8.1%

Other

5.6%

Q14. Do you have any requests for dentists who practice implant treatment?

To consult technicians or allow technicians to participate from the treatment planning stage

28.3%

To use suitable implant location and orientation

31.8%

To improve treatment and condition of soft tissue

21.8%

To study more about prostheses and occlusion

14.5%

Other

3.6%