A clinical study comparing a 3D-printed method and traditional cutting zirconia for single dental restoration

Comparative study of digital colloidal deposition and traditional cutting zirconia for single implant restoration

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN12580798

Enrollment

Registered

2026-04-08

Start date

2023-12-12

Completion date

Unknown

Last updated

2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Single molar implant restoration Oral Health

Interventions

This was a prospective, randomized controlled trial. Eighty-four eligible patients were randomly assigned to two groups. The observation group (n=43) received digital colloidal zirconia (DCDZ) single

Eligibility

Sex/Gender

All

Age

27 Years to 41 Years

Inclusion criteria

Inclusion criteria: 1. Aged 21-55 years 2. Systemic health: American Society of Anesthesiologists (ASA) physical status classification ?-? 3. Oral and maxillofacial function: no masticatory dysfunction, occlusal stability 4. No parafunctional movements (night grinding, clenching teeth) confirmed by clinical examination and patient self-report 5. Normal cognitive function, able to complete 1-year follow-up 6. Regular dental arrangement, no severe crowding or spacing 7. Good oral hygiene: baseline modified plaque index (mPLI) =2, gingival index (GI) =1 8. Requiring single-tooth dental implant restorations

Exclusion criteria

Exclusion criteria: 1. Antibiotic use within 6 months before treatment 2. Destructive periodontitis (probing depth =6mm, attachment loss =3mm) 3. Salivary gland diseases affecting secretion 4. Poor compliance, inability to complete follow-up 5. Smoking =10 cigarettes/day 6. Systemic diseases (diabetes, autoimmune diseases) affecting wound healing

Countries

China

Contacts

Public ContactHaibao Sun

sun_shaibao734bao@163.com+86 0575 88551175

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 23, 2026