Digital vs Conventional Impressions Study

Clinical Evaluation of Digital Versus Conventional Impressions Part I: Marginal and Internal Fit

This study aims to compare how a single cap best fit on a tooth that is fabricated with digital and conventional impression techniques.

Inclusion Criteria:

• Age of patient ≥ 18 years old
• Good oral hygiene and compliance
• In need of a single full-coverage crown on any vital premolar or first molar tooth
• Opposing tooth is free of indirect restoration (crown)
• Asymptomatic tooth free of pathology
• No requirement for additional treatment (endodontic treatment, post and core, crown lengthening)
• Anticipated supragingival or equigingival crown margin
• Anticipated crown margin on natural tooth structure
• Adequate abutment height after tooth preparation (minimum 4mm)

Exclusion Criteria:

• Age of patient less than 18 years old
• Poor oral hygiene and calculus on sample teeth
• In need of a single full-coverage crown on tooth other than a vital premolar or first molar tooth
• Opposing tooth is restored with indirect restoration
• Periapical or periodontal pathology
• Anticipated pulp exposure or need for additional treatment (endodontic treatment, post and core, crown lengthening)
• Anticipated subgingival crown margin
• Anticipated crown margin on direct restoration
• Inadequate abutment height after tooth preparation