EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

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 ISSN 2394-3211

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Abstract

FRACTURE RESISTANCE OF TEETH WITH UNCOMPLICATED CROWN FRACTURE, RESTORED WITH FRAGMENT REATTACHMENT TECHNIQUE AND RESIN COMPOSITE: AN IN VITRO STUDY

Dr. Abhisek Guria* and Dr. Bharath M. J.

ABSTRACT

Aim: The aim of the study was to evaluate and compare fracture resistance of teeth restored with fracture fragment reattachment and composite resin restoration. Materials and Methodology: 24 Freshly extracted human maxillary central incisors with comparable dimensions were collected. The teeth were embedded in self-cure acrylic resin blocks till cemento enamel junction. Each sample were sectioned 2.5mm from the incisal edge obliquely in labio-lingual direction. All samples were randomly divided into two groups (n= 12).Group1 (fragment reattachment group): A groove (1mm diameter, 1mm depth) was placed in dentin with a carbide bur on sectioned surface of both fragment and the tooth. Then fragments were reattached with micro hybrid flowable composite (Filtek Z250).Group2 (composite restoration group): A short bevel of 1mm width was placed on the sectioned tooth margin. They were restored with microhybrid composite resin (Filtek Z250) using incremental layering technique.Samples were subjected to fracture resistance test in a universal testing machine at a crosshead speed of 1mm/sec until fracture. Point of force application was at the center of the fragment or restoration. Statistical analysis: Data was collected and analyzed by unpaired t test. Result: Composite restoration (113.51+19.6N) had higher fracture resistance compared to fragment reattachment group (71.43 +24.1N).(P <0.001).

Keywords: Tooth Fracture, Traumatic Injury, Fragment Reattachment, Fracture Resistance, Composite Restoration, Internal Dentin Groove.


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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia