Outcomes on Teeth Prepared With BOPT

Periodontal and Prosthetic Outcomes on Teeth Prepared With Biologically Oriented Preparation Technique: Prospective Clinical Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04403230

Enrollment

Registered

2020-05-27

Start date

2013-01-01

Completion date

2030-01-01

Last updated

2026-07-07

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

Conditions

Outcome, Prosthetic, Soft Tissues

Keywords

BOPT, dental preparation, dental crown, zirconia, periodontal health

Brief summary

The aim of this study is to evaluate the clinical and biological behavior of full coverage restorations on teeth prepared without finish line in a prospective clinical study.

Detailed description

The purpose is to evaluate the clinical and biological behavior of full coverage restorations on teeth prepared without finish line. This prospective study included 149 teeth treated using biologically oriented preparation technique (BOPT). The sample (149 teeth) was divided into two groups: Seventy four teeth restored with crowns, and 75 teeth supporting fixed partial dentures (FPD). Restorations were fabricated with zirconium oxide cores and ceramic coverings. Patients attended regular annual check-ups when probe depth, presence of inflammation with bleeding on probing, presence of plaque, gingival thickness, marginal stability, biological or mechanical complications, and the patient's level of satisfaction were registered.

Interventions

PROCEDURERetreatment of teeth prepared without finish line

Retreatment of teeth treated using biologically oriented preparation technique (BOPT). The sample (149 teeth) was divided into two groups: Seventy four teeth restored with crowns, and 75 teeth supporting fixed partial dentures (FPD).

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

NONE

Intervention model description

This prospective study included 149 teeth treated using biologically oriented preparation technique (BOPT). The sample (149 teeth) was divided into two groups: Seventy four teeth restored with crowns, and 75 teeth supporting fixed partial dentures (FPD).

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* adult patients (aged over 18 years). * non-smokers. * periodontally healthy or periodontally managed. * patients who had undergone restoration with fixed prostheses (one-piece crowns or fixed partial dentures FPDs) in the aesthetic zone (incisors, canines, premolars, first molars), which needed to be replaced due to biological, esthetic or some other type of problem.

Exclusion criteria

* patients who were smokers. * patients who presented unmanaged parafunctional habits. * patients with severe systemic diseases.

Design outcomes

Primary

Measure	Time frame	Description
A possible periodontal complications	Through study completion, an average of 15 years.	Analyze periodontal outcome on teeth prepared with biologically oriented preparation technique
biological or mechanical prosthetic complications	Through study completion, an average of 15 years.	Analyze prosthetic outcome on teeth prepared with biologically oriented preparation technique

Secondary

Measure	Time frame	Description
Patient's level of satisfaction with treatment assessed by means of a visual analogue scale (VAS).	Through study completion, an average of 15 years.	Patient's satisfaction was assesed using a ''Visual Analogue Scale'' (VAS). In wich 0 is the the minimum and 10 de maximum value, and whether higher scores mean a better outcome.

Contacts

PRINCIPAL_INVESTIGATORBlanca Serra Pastor, Professor

University of Valencia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 8, 2026