نتایج جستجو برای: dentition system

تعداد نتایج: 2236063  

Arezoo Jahanbin Behrad Tanbakuchi

The aim of this case report was to introduce an appliance for correcting severe rotation of anterior teeth in the mixed dentition period. A 9-year-old Iranian boy with a mixed dentition Class I malocclusion complained of a severely rotated of upper right central incisor. There was a mesiodens between the central incisors. The supernumerary tooth was first extracted and then a Whip appliance whi...

Journal: :Journal of experimental zoology. Part B, Molecular and developmental evolution 2011
Gareth J Fraser Moya Meredith Smith

Classically the oral dentition with teeth regulated into a successional iterative order was thought to have evolved from the superficial skin denticles migrating into the mouth at the stage when jaws evolved. The canonical view is that the initiation of a pattern order for teeth at the mouth margin required development of a sub-epithelial, permanent dental lamina. This provided regulated tooth ...

2017
S. Petrishin Z. Ozhohan

Research objective: to develop and implement a new clinical method of producing a set of kappa-splints for splint therapy: treatment and prevention of various forms of pathological teeth abrasion in combination with dentition defects and dentition deformations, which will enable to prevent significant disorders in the dentition. Materials and Methods: 36 patients aged 30-59 have been selected f...

Journal: :European journal of orthodontics 1997
P Tschill W Bacon A Sonko

In this study the occlusal characteristics of the deciduous dentition in a sample of young children were investigated to determine whether consensual trends exists, and if the occlusal characteristics in the primary dentition may be considered as acceptable predictors for occlusal relationships in the permanent dentition. Four hundred and seven boys and three hundred and eighty-two girls aged 4...

Journal: :Acta stomatologica Croatica 1991
I Skrinjarić V Barac-Furtinović

Prevalence of anomalies of deciduous teeth has been analyzed in the general population of Zagreb preschool children. The sample comprised 2,987 children from 3 to 6 years of age (1,582 boys and 1,405 girls). Hypodontia was found in 0.47%, hyperdontia in 0.10%, and double teeth in 0.43% of total sample. Total prevalence of all anomalies in the sample was 1.0%. The sample for the analysis of perm...

2012
Swaminathan Kavitha Haridoss Selvakumar Rajendran Barathan

A talon cusp is a dental anomaly commonly occurring in the permanent dentition compared to the primary dentition. It commonly affects the maxillary anterior teeth. In primary dentition, the most commonly affected tooth is the maxillary central incisors. This is a rare case report of a 5-year-old male patient with a talon cusp affecting the mandibular primary lateral incisor. Recognition and tre...

2012
Prashant Babaji M. A. Prasanth Ajith R. Gowda Soumya Ajith Henston D'Souza K. P. Ashok

Fusion or synodontia is a union of two or more than two developing teeth. Commonly fusion occurs between teeth of the same dentition, mixed dentition, or between normal and supernumerary teeth. Fused primary teeth present with several clinical problems like caries, periodontal problem, arch asymmetry, delayed eruption, ectopic eruption of succedaneous teeth, aesthetic, and other complications. ...

2016
Shiv Shankar Agarwal Mohit Sharma Karan Nehra Balakrishna Jayan Anish Poonia Hiteshwar Bhattal

INTRODUCTION This cross-sectional retrospective study was designed to assess the relationships among breastfeeding duration, nonnutritive sucking habits, convex facial profile, nonspaced dentition, and distoclusion in the deciduous dentition. MATERIALS AND METHODS A sample of 415 children (228 males, 187 females) aged 4 to 6 years from a mixed Indian population was clinically examined by two ...

ژورنال: مجله دندانپزشکی 2010
حسینی, محمدهاشم, حسینیان سراجه لو, محمد کاظم, خورشیدیان, اعظم, چلیپا, جواد,

Background and Aims: One of the common human evolutionary anomalies is dental Missing. Evolution of dental system is toward deduction of teeth number. The Missing of third molar is interesting subject for dentists and genetic researches because of its variety in different races. Consideration of bilateral effect of third molar Missing with jaw relation is an important subject. The aim of this s...

Journal: :Pediatric dentistry 2001
L Melo Y Ono Y Takagi

PURPOSE Dental crowding occurring in the anterior part of the mandible in the early mixed dentition has been a subject of increasing concern for child patients, their parents, and the pediatric dentist. The aim of this study was to evaluate indicators of crowding found at the primary dentition, which may lead to the future manifestation of crowding at the anterior part of the mandibular arch in...

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