Introduction: The standard methods for reconstruction of soft tissue defects in legs are gastrocnemius flap for proximal third defects, soleus flap for middle third and free flap in the distal third. However, there are problems with the use of free flap, like increased operative time, damage of major vessels and the need for experienced microsurgeon. In this study we examined the ability of the...

Background and Aims: There is not sufficient knowledge about the relationship between smoking and vertical bone loss in periodontal diseases. There are also important evidences which propose harmful effects of smoking on periodontal tissues including alveolar bone. The purpose of this study was to assess the relationship between smoking and prevalence and severity of vertical bone defects.Mater...

Dental enamel is the end product of amelogenesis, which can be considered to take place in three interrelated phases. When this complex sequence of cytological and physicochemica! events disrupted by genetic or environmental factors, the function of the ameloblasts may be disrupted permanently or temporarily. The result shows qualitative and quantitative defects that may range from a complete a...

Background and Aim: The aim of this investigation was to evaluate the osteopromotion property of homogenous demineralized dentin matrix (HDDM) on experimental surgical bone defects in parietal bone of rabbits using the guided bone regeneration (G.B.R.) technique incorporating Paroguide collagen membrane. Materials and Methods: Surgical bone defects were created in 6 Newzland white rabbits (2 d...

The aims of this study were to determine incidence and types of observable congenital abnormalities among births of Mirza Kochak-Khan, Imam Khomeni and Shariatti hospitals between first of Novermber 2000 to the end of September 2001.Materials and Methods: We used neonates that survived for 24 hours after delivery. A questionnaire was specially designed to explore each of the objectives for our ...