Clinical Evaluation of Fracture Resistance and Color Changes of Laminate Veneer With Gull Wing Preparation
Discolored Teeth
About this trial
This is an interventional treatment trial for Discolored Teeth
Eligibility Criteria
- Inclusion Criteria
- age groups from 18-50-year-old
- patients able to read and sign the informed consent.
- patient without periodontal diseases
- Patients indicated for laminate veneers.
- patients Willing to return for follow -up
- Exclusion Criteria
- Patients with poor oral hygiene
- patients with endodontic ally treated teeth
- patients with Psychiatric problems
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
modified gull wing preparation
conventional preparation
Gullwing preparation is the inciso - proximal extension of porcelain laminates veneer margin more palatally. The preparation finished at the gingival margin and extended towards the papilla to finish the interproximal elbow preparation
In conventional preparation of veneer it circumvents the contact areas and extends palatally in the incisal third of the tooth only. The preparation thickness is defined by a 0.5 mm facial and 1.5-2.0 mm incisal reduction with the proximal finish lines placed facially to the proximal contacts Gull wing (dog leg) preparation is the inciso - proximal extension of porcelain laminates veneer margin more palatally. This preparation design helps to hide the restoration margin when viewed from an angle, especially in discoloration. The preparation thickness is defined by a 0.5 mm facial and 1.5-2.0 mm incisal reduction with the proximal finish lines The preparation finished at the gingival margin and extended towards the papilla to finish the interproximal elbow preparation.