This study aims to evaluate and compare the clinical performance of the injectable giomer restoration versus an injectable composite resin restoration using the injection molding technique for veneering hypoplastic permanent maxillary and mandibular anterior teeth using the FDI criteria. Follow up will be done every 6 months for 2 years.
The aim of this study is to evaluate and compare the two-year clinical performance of injectable giomer restoration to an injectable composite resin restoration using the injection molding technique for veneering permanent maxillary and mandibular anterior teeth affected with enamel hypoplasia in children using the FDI criteria. Injection molding technique using injectable composite resin restoration and injectable giomer restoration will be implemented for the esthetic management of permanent anterior teeth affected with enamel hypoplasia in children after removal of the defective enamel, its etching and bonding. Evaluation of their performance will be done using FDI criteria and will be followed up for 2 years.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
14
The teeth affected with enamel hypoplasia will be prepared by removing all defective enamel to place the restorations on sound tooth structure as recommended by the IAPD. A tooth-by-tooth approach will be employed, where adjacent teeth will be isolated with Teflon tape before selective enamel etching. Selective etching of cut enamel will be done for 15 seconds using 37% phosphoric acid gel. Self-etch adhesive system will be used and highly filled flowable composite will be injected in the accurately positioned transparent clear stent through the small channels created by the tip of the restoration syringe in the incisal edge to restore the affected teeth. Curing will be done on the incisal and labial aspects for 20 seconds and will be repeated after clear stent removal for additional 20 seconds. After removal of the clear stent from the patient's mouth, the restoration sprue as well as excess polymerized restoration will be scrapped off with a scalpel.
The teeth affected with enamel hypoplasia will be prepared by removing all defective enamel to place the restorations on sound tooth structure as recommended by the IAPD. A tooth-by-tooth approach will be employed, where adjacent teeth will be isolated with Teflon tape before selective enamel etching. Selective etching of cut enamel will be done for 15 seconds using 37% phosphoric acid gel. Self-etch adhesive system will be used and an injectable giomer restoration will be injected in the accurately positioned transparent clear stent through the small channels created by the tip of the restoration syringe in the incisal edge to restore the affected teeth. Curing will be done on the incisal and labial aspects for 20 seconds and will be repeated after clear stent removal for additional 20 seconds. After removal of the clear stent from the patient's mouth, the restoration sprue as well as excess polymerized restoration will be scrapped off with a scalpel.
Faculty of Dentistry Ain Shams University
Cairo, Cairo Governorate, Egypt
Clinical performance using World Dental Federation (FDI) criteria for evaluating direct restorations.
Clinical performance of an injectable giomer compared to composite restoration in permanent anterior teeth with enamel hypoplasia evaluated by FDI criteria to assess the quality of direct restorations. These are divided into functional, biological, esthetic, and miscellaneous properties. The functional properties assess the fracture of material, its retention, the marginal adaptation, the proximal contact point, the form and contour, the occlusion and wear of dental restorations. The biological assess the presence of recurrent caries, the hard dental tissue defect at the restoration margin, postoperative hypersensitivity and pulpal status, while the esthetic evaluates surface luster and texture, marginal staining, and color match. The miscellaneous examines the patient's perspective of the restoration and the radiographic appearance of the restorations. Every domain assessed is given a score from 1-5, where 1 indicates a clinically excellent property and 5 a clinically poor property.
Time frame: every 6months for 2 years
The Mean Annual Failure rate using the World Dental Federation (FDI) criteria.
Calculate the mean annual failure rate or the normalized failure index of the injectable giomer restoration versus the injectable composite resin restoration using the injection molding technique via the FDI criteria. This can be done by several ways: 1) dividing the total failure rate by the number of observation years, 2) using different mathematical formulas given by the FDI for its measurement.
Time frame: 1 year
Measuring the impact of enamel hypoplasia on children's daily life from children's and parents' perspectives
Evaluate the impact of enamel hypoplasia on children's life by assessing the oral-health-related quality of life of the treated children before and after treatment using the parental perception, family impact scale questionnaires (P-CPQ and FIS) and child perception questionnaire (CPQ-8-10/ 11-14). The former assess the oral symptoms, functional limitation, and social wellbeing of children from their parents' perspectives and the impact their teeth have on the families' daily life, while the latter assesses the same domains but from the children's perspectives. These are scored from 0-4 according to the answers given by the children and parents, where 0 indicates that 'never', 1 'once or twice', 2 'sometimes', 3 'often' and 4 'every day'. Measuring these questionnaires before and after treatment shows the effect of treatment on their quality of life. A total score is gathered for each domain in the questionnaire and is compared to the scores obtained after 6 months.
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The teeth affected with enamel hypoplasia will be prepared by removing all defective enamel to place the restorations on sound tooth structure as recommended by the IAPD. A tooth-by-tooth approach will be employed, where adjacent teeth will be isolated with Teflon tape before selective enamel etching. Selective etching of cut enamel will be done for 15 seconds using 37% phosphoric acid gel. Self-etch adhesive system will be used and direct composite resin laminate will be done free hand on these teeth. Curing will be done for 40 seconds, finishing and polishing will be executed thereafter using scalpel and finishing burs and stones. These teeth will be evaluated clinically by FDI criteria at 6 and 12 months.
Time frame: 6 months