Extraction space closure is an integral part of orthodontic treatment which demands a thorough understanding of the biomechanics which leads to a better ability to decide on the anchorage and treatment options and prognosis of various alternatives. In the pre-adjusted edgewise technique, retraction is achieved either with friction (sliding) or frictionless mechanics. Sliding mechanics involves,...

A classification scheme that systematizes the wide range of regenerative potential of common extraction site topographies is presented. Within this system, the parameters for immediate implant placement and preliminary ridge augmentation are discussed. In addition, a new adjunctive role for orthodontic extrusion is introduced. This approach is intended to manipulate "hopeless" teeth to modify t...

introduction: a study model is a precise three dimensional replica of patient’s dentition and plays an important role in treatment planning. many digital multi-media applications have become available to the clinician and his or her staff to facilitate standard procedures in practice and management. the aim of this study is to evaluate reliability and validity of dental measurement made on digi...

Angle Class I malocclusion with bymaxillary protrusion is characterized by severe buccal tipping of incisors, which causes upper and lower lip protrusion. First premolars extraction is recommended to reduce facial convexity as a result of anterior teeth retraction, which keeps canines and first molars in key to occlusion. In order to yield orthodontic results that are compatible with ideal esth...

Supernumerary teeth (SNT) are often associated with malocclusions. Data on SNT in the South African population not well documented. To determine prevalence, distribution of characteristics and any complications a sample dental patients. The study was retrospective, cross-sectional descriptive. Method: Orthopantomographs 12,005 patients were reviewed for presence SNT. number, morphology, locatio...

JCO/OCTOBER 2008 O miniscrews have become increasingly popular in recent years because of their versatility, minimal invasiveness, and low cost. The effectiveness of conventional miniscrew systems is limited, however, by the lack of a stable connection to the orthodontic appliance. The Straumann Orthosystem* addresses this problem with a cap or abutment that can be fixed to the implant. The sys...

This case report describes a 13-year-old boy with alveolar bony defect resulted from surgical removal of impacted upper canine transposed in the anterior region. The boy had a normal occlusion with malposition of upper central and lateral incisors. The treatment objectives were to align teeth, close spaces by mesial movement of the buccal segments in the upper jaw to repair bone loss. Fixed app...

To conduct a prospective randomized study comparing the efficiency of four different ligation systems (ELL,SSL,LL,PSL) over duration mandibular crowding alleviation. The was conducted in Department Orthodontics and Dentofacial Orthopaedics, Noorul Islam College Dental Sciences, Neyyattinkara, Trivandrum. present evaluated variations alignment alleviation patients during Eighty fulfilling inclus...

Study objective: To assess the health impacts of local public swimming pool and leisure provision. Design: Retrospective qualitative study using focus groups. Reports from two areas with contrasting experience of provision of a public swimming pool (opening and closure) were compared within the context of general reports about health and neighbourhood. Setting: Two deprived neighbourhoods in so...