A study that compares the fit as well as amount of chairside adjustments required for lower posterior zirconia crowns made by artificial intelligence (AI) and conventional computer aided design (CAD)

comparative evaluation of marginal and internal fit of posterior zirconia crowns using artificial intelligence and conventional CAD software: a within-subject, pilot study - nil

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2026/07/113303

Enrollment

Registered

2026-07-03

Start date

Unknown

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Health Condition 1: K039- Disease of hard tissues of teeth,unspecified

Interventions

Intervention1: AI Crown: To evaluate the baseline data of marginal and internal fit as well as frequency of chairside adjustments of zirconia crowns fabricated by artificial intelligence Control Inter

Eligibility

Inclusion criteria

Inclusion criteria: 1) Patients requiring single posterior mandibular complete crowns. 2) Teeth restorable with a minimum crown to root ratio of at least 1:1. 3) Teeth with healthy opposing natural teeth. 4) Good oral hygiene and periodontal status. 5) Full complement of teeth (excluding 3rd molars). Patients giving positive informed consent.

Exclusion criteria

Exclusion criteria: 1) Patients with developmental defects of enamel and dentin. 2) Patients with high caries activity or active periodontal disease. 3) Parafunctional habits like bruxism, clenching. 4) Temporomandibular joint disorders. 5) Fluorosis, calcium metabolic disorders, osteoporosis. 6) Malocclusion

Design outcomes

Primary

Measure	Time frame
To evaluate the marginal and internal fit as well as frequency of chairside adjustments of mandibular posterior zirconia crowns fabricated by AI and CADTimepoint: baseline	—

Secondary

Measure	Time frame
To evaluate & compare the frequency & site of chairside adjustments required for the mandibular posterior zirconia crown designed by AI & conventional computer aided design software.Timepoint: baseline	—

Countries

India

Contacts

Public ContactDr Aditi Nanda

All India Institute of Medical Sciences

aditinanda@yahoo.com9871167927

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Aug 10, 2026