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The aim of this study was to find out the vertical distance between the most antero-superior point on the lingual frenum and mesio-incisal edges of mandibular central incisors in dentulous subjects belonging to different age groups.we took 120 dentulous subjects (60 men, 60 women)and 20 complete denture wearers.Depending upon the age, the dentulous subjects were divided into three groups. Each group consisted of 40 subjects (20 men, 20 women).mandibular casts were made from irreversible hydrocolloid impression material in stock trays for each subject. All subjects were instructed to elevate the tongue while the impressions were made. The vertical distance between the anterior attachment of the lingual frenum and incisal edges of mandibular central incisors was measured on the casts. Means and standard deviations of the measurements were calculated and statistically analyzed. Overall (irrespective of gender) normative range for vertical distance between the anterior attachment of the lingual frenum and mesioincisal edge of mandibular central incisor among north Indian dentulous subjects is 9.52-10.24 mm.if we consider gender it is 10.00-11.13 mm for male and 8.82-9.58 mm for female.
Removable prosthodontics is that branch of prosthodontics that deals with the replacement of lost teeth and contiguous soft tissue structures for edentulous or partially edentulous patients by artificial substitutes that are removable from the mouth by the patient1. It deals with fabrication of complete and partial removable denture prosthesis.Various materials have been used in dentistry such as wood, bone, ivory before 18th century and the methyl-methacrylate resin was introduced to the National Society of Denture Prosthesis at Atlantic city in July 1937.Fractures may occur in use, because of its unsatisfactory transverse strength, impact strength or fatigue resistance.To overcome these shortcomings, various fibres are used to strengthen the acrylic resin have been suggested.Numerous studies have evaluated the use of individual reinforcing fibers to improve the strength of the denture base with and without thermocycling.
The diversity of dental ceramics continues to stimulate laboratory and clinical research. Systems such as Dicor and Empress are now established, and data regarding the in vitro and in vivo performance of such restorations have been reported widely. Modifications to several systems have been suggested or introduced to overcome certain disadvantages. The potential of the In-Ceram system remains to be exploited to the full. The diversity and sophistication of some of the CAD-CAM systems may prove to be influential in the future. Each system has its own merits, but may also have shortcomings. Combinations of materials and techniques are beginning to emerge which aim to exploit the best features of each. Glass-ceramic and glass-infiltrated alumina blocks for CAD-CAM restoration production are examples of these and it is anticipated that this trend is likely to continue....
Digital touch in prosthodontics is discription of various techniques used in prosthodontics and its digitilized version. To keep in pace with the advanced technology every dentist has to update the knowledge. This book emphasizes the various acpects of prosthodontics in digital world. Reader will be enlightened with the excact situation wise discription and its application in related areas.understanding is amplified with the well dicsribed figures and charts in the book.
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