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Hyalinization of dental pulp tissue due to occlusal trauma (Experimental study) | ||
| MUSTANSIRIA DENTAL JOURNAL | ||
| Article 1, Volume 7, Issue 2, 2010, Pages 253-259 | ||
| Authors | ||
| Dr. Nada M.Hasan AL-Ghaban MSc; ph.D. in oral histology and biology; M.Sc. in oral histology and biology; Dr. Inas Fadhil B.D.S; Dr. Athraa Y. Al-Hijazi M.Sc; ph.D. in oral histology and biology | ||
| Abstract | ||
| Abstract Dental pulp tissue is a highly specialized conneclive tissue contains a formative and protective cells that can be affected easily by stimuli such as occlusal trauma subjected by occlusal overhang filling. Sixteen albino rats aged range (6-8 months) weight range (0.5-0.75 kg) were subjected the occlusal overhang filling made for upper first molar for 2 periods, and according the periods, rats divided in the 2 groups. Groups I (8rats) subjected for occlusal trauma for 2 weeks duration group II (8rats) subjected for occlusal trauma for 8 weeks duration. Histological evaluation have been done for 2.8 weeks using hematoxyline and eosin stain. Occlusal trauma for 2 weeks in group I showed wide irregular predentin formation will displacement in odontoblast cell. While in group II for 8 weeks duration, histological feature for pulp tissue showed hyalinization (50-95 μm) in length. Occlusal trauma for long period cause hyalinization of pulp tissue that negativelyinfluence on endodontic treatment in future. | ||
| Keywords | ||
| Key Words; hyalinization occlusal trauma | ||
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