Comparative evaluation of change in root canal shape and area in primary molars using ProTaper and K3 rotary systems: study.

Background: Rotary instrument techniques have shown evidence of simultaneously enlarging the root canal and maintaining the canal anatomy. Protocols for the use of rotary systems in primary molars are not well established.

Aims: The aim of the study was to evaluate and compare root canal shape and area after ProTaper and K3 rotary instrumentation in primary molars.

Computed Tomographic Morphometry of the Internal Anatomy of Mandibular Second Primary Molars.

Unlabelled: Need for the study: The most important procedure for a successful endodontic treatment is the cleaning and shaping of the canal system. Understanding the internal anatomy of teeth provides valuable information to the clinician that would help him achieve higher clinical success during endodontic therapy.

Aims: To evaluate by computed tomography-the internal anatomy of mandibular second primary molars with respect to the number of canals, cross-sectional shape of canals, cross-sectional area of canals and the root dentin thickness.

Fracture resistance of endodontically treated permanent anterior teeth restored with three different esthetic post systems: An in vitro study.

Background: Esthetic coronal reconstruction of fractured anterior teeth is often performed using intra radicular posts. Most of the commonly used commercially esthetic post systems do not exhibit similar physical properties as dentin resulting in failures.

Aim: To evaluate and compare the fracture resistance and mode of failure of simulated traumatized permanent central incisors restored with three different post systems including biologic dentin posts.

Juvenile recurrent parotitis in children: diagnosis and treatment using sialography.

Juvenile recurrent parotitis (JRP) is a nonobstructive, nonsuppurative parotid inflammation in young children. Causative factors are many such as allergy, infection, local autoimmune manifestations, and genetic inheritance have been suggested, but none have been proved. Parotid sialography is a hallmark in the diagnosis of JRP but newer modalities such as ultrasonography, computed tomography and magnetic resonance imaging-sialography are noninvasive investigative techniques.

Cariogenicity and acidogenicity of human milk, plain and sweetened bovine milk: an in vitro study.

Unlabelled: The objective of the present study was to determine the acidogenicity and cariogenicity of human breast milk and plain and sweetened packaged bovine milk.

Study Design: First all milk specimens were inoculated with a cariogenic strain of Streptococcus mutans (SM). The culture pH and number of colony forming units (cfus) was assessed.