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Malposition of Unerupted Mandibular Second Premolar in Children with Palatally Displaced Canines
Malposition Dental anomalies Mandibular second premolar PDC Genetic etiology Late development
2010/3/5
Objective: To test the hypotheses that (1) the distal angulation of unerupted mandibular premolar (MnP2) is significantly greater in children with palatally displaced canines (PDC) than in those in a ...
Increased Occurrence of Dental Anomalies Associated with Second-Premolar Agenesis
Agenesis Dental anomalies Second premolar
2010/3/5
Objective: To evaluate the prevalence of dental anomalies in patients with agenesis of second premolars and compare the findings with the prevalence of these anomalies in the general population.
Ma...
The Missing Mandibular Second Premolar, A Problem in Orthodontic Treatment
Mandibular Second Premolar Orthodontic Treatment
2009/3/17
The Missing Mandibular Second Premolar, A Problem in Orthodontic Treatment.
An Analysis Of Second Premolar Extraction Procedures
Analysis Second Premolar Extraction Procedures
2009/3/13
An Analysis Of Second Premolar Extraction Procedures.
First Premolar or Second Premolar Extractions：Formula or Clinical Judgment?
First Premolar Second Premolar Extractions Clinical Judgment
2009/3/8
First Premolar or Second Premolar Extractions: Formula or Clinical Judgment?
Mandibular second premolar extraction — postretention evaluation of stability and relapse
Postretention Relapse Stability Serial extraction Second premolars
2009/1/14
The dental casts and cephalometric radiographs of 46 patients, treated with mandibular second premolar extraction and edgewise orthodontic mechanotherapy, were evaluated for changes over a minimum...
An Occlusal and Cephalometric Analysis of Maxillary First and Second Premolar Extraction Effects
Premolar extractions Arch dimensions Incisor retraction
2008/12/26
The purpose of this study was to examine dimensional changes in the maxillary arch following the extractions of maxillary first or second premolars. Pre- and posttreatment records of 71 patients t...
Screw-type Implants Used as Anchorage for Lingual Orthodontic Mechanics: A Case of Bimaxillary Protrusion with Second Premolar Extraction
Lingual orthodontics Titanium screw Anchorage
2008/12/16
We present a case of bialveolar protrusion treated with second premolar extraction. The patient did not agree to placement of a visible labial appliance or to the use of a headgear. Therefore, a lin...
Angular Changes and Their Rates in Concurrence to Developmental Stages of the Mandibular Second Premolar
Tooth development Angular changes Eruption
2008/12/11
In the early developmental stage of the mandibular second premolar (MnP2), it is not unusual to find the tooth extremely angulated to the lower border of the mandible, as seen in the panoramic roe...
Orthodontic Treatment of a Patient with an Impacted Maxillary Second Premolar and Odontogenic Keratocyst in the Maxillary Sinus
Impacted tooth Odontogenic keratocyst Marsupialization
2008/12/4
An eight-year-, four-month-old girl was brought to the orthodontic clinic of Okayama University Medical and Dental Hospital. The patient had an impacted upper left second premolar because of an od...
First or Second Premolar Extraction Effectson Facial Vertical Dimension
Vertical dimension Premolar extraction Wedge effect
2008/11/26
If the concept of mesial movement of molars to reduce the “wedge effect” and decrease facial vertical dimension (FVD) is valid, it is important to investigate the effect of first (P1) and second pre...
Malposition of Unerupted Mandibular Second Premolar in Children with Cleft Lip and Palate
Malposition Dental anomalies Cleft Mandibular second premolar MSX1 Genetic etiology
2008/11/11
Objective: To determine whether distoangular malposition of the unerupted mandibular second premolar (MnP2) is more frequent in children with unilateral clefts of the lip and palate.Materials and Meth...