OBJECTIVE: This study evaluated the clinical effectiveness of two exposure times of microwave irradiation on the disinfection of complete dentures. METHODS: Biofilm samples were collected from dentures of 30 patients, who were randomly divided into two experimental groups of 15 subjects each: Group 1-patients had their maxillary denture microwaved for ...

INTRODUCTION: The aim of this study was to evaluate the effectiveness of early orthodontic treatment with the Twin-block appliance for the treatment of Class II Division 1 malocclusion. This was a multi-center, randomized, controlled trial with subjects from 14 orthodontic clinics in the United Kingdom. METHODS: The study included 174 ...

To report the use of a semiburied curvilinear distraction device, with a 3-dimensional (3D) computed tomography treatment planning system, for correction of mandibular deformities. This was a retrospective evaluation of 13 consecutive patients, with syndromic and nonsyndromic micrognathia, who underwent correction by curvilinear distraction osteogenesis. A 3D computed tomography scan ...

AIMS: To evaluate the dentofacial changes and growth rotational responses of Angle Class II division 1 patients treated with the Clark twin block functional appliance. METHOD: This retrospective study comprised 13 boys (8.77 +/- 0.86 years) and 13 girls (8.75 +/- 0.70 years) treated by one orthodontist with the Clark ...

INTRODUCTION: The purpose of this longitudinal randomized investigation was to determine the long-term changes in the soft-tissue profile during orthodontic treatment when treatment is started with headgear (HG) in the early mixed dentition. METHODS: The subjects were 68 children (28 girls, 40 boys; mean age, 7.6 years; SD, 0.3 years) ...

The increasing demand for esthetic orthodontic treatment has led to the development of tooth-colored and even "invisible" appliances. Although sequential removable clear aligners have several advantages over conventional bracket systems, they have some limitations in extraction treatment. This case report presents the esthetic extraction treatment of a patient with bialveolar ...

Distraction osteogenesis has been extensively used to correct severe midface hypoplasia in syndromic craniosynostosis patients. However few studies have reported midface distraction outcomes through cephalometric evaluation. AIM: The purpose of the present study was to evaluate outcomes with midface distraction rigid external device (RED) in patients with syndromic craniosynostosis, in ...

PURPOSE: The study was planned to evaluate the depth of natal cleft in patients with pilonidal sinus disease and in healthy persons. METHODS: The study included 50 patients with pilonidal sinus disease and 51 volunteers. Data including body mass index and natal cleft depth were recorded. Natal cleft depth was ...

PURPOSE: The purpose of this study was to determine whether there is a consensus among oral and maxillofacial surgeons and orthodontists as to the definition of centric relation. MATERIALS AND METHODS: A survey constructed from 5 definitions of centric relation as provided from the "Glossary of Prosthodontic Terms" was sent ...

Although distraction osteogenesis of the mandible in patients with hemifacial microsomia (HFM) before the mixed dentition period is widely performed, long-term follow-up information on dental problems is limited. We evaluated the long-term effect of distraction osteogenesis on dental development by comparing Nolla's developmental stages of the first and second molars ...

In this study, we investigated how method of mandibular fixation influenced longterm postoperative stability of the maxilla in Class III cases. In particular, we investigated change in the maxillary occlusal plane after Occlusal Plane Alteration. Therefore, we focused on change in the palatal plane to evaluate stability of the maxillary ...

Controversy exists about the relation between the amount of posterior maxillary impaction and pogonion (P) advancement. The aims of the current study were to (1) propose a formula to predict the amount of P advancement due to posterior maxillary impaction surgery, (2) predict the amount of posterior maxillary impaction by ...

INTRODUCTION: The aim of this study was to compare the efficiency of mandibular arch alignment in 3 dimensions with a self-ligating bracket system (SmartClip, 3M Unitek, Monrovia, Calif) and a conventional preadjusted edgewise twin bracket (Victory, 3M Unitek) in nonextraction patients. This was a prospective, randomized, controlled clinical trial at ...

INTRODUCTION: The objective of this study was to evaluate the long-term effectiveness in a group treated with the FR-2 appliance of Fränkel compared with an untreated Class II control group. METHODS: The sample consisted of 30 patients (17 boys, 13 girls) treated exclusively with the FR-2 by Rolf Fränkel. The ...

Neurosensory disturbance (NSD) of the inferior alveolar nerve (IAN) is the most common complication after bilateral sagittal split osteotomy (BSSO) and distraction osteogenesis (DO) of the retrognathic mandible. It is suggested that the risk is lower after DO than after BSSO. This retrospective study compared both techniques with regard to ...

The objective of this study was to compare, on study models and initial cephalograms, the efficiency of Class II malocclusion treatment with the pendulum appliance, and with two maxillary premolar extraction protocol. The sample consisted of 48 treated Class II malocclusion patients: group 1 comprised 22 patients (7 males, 15 ...

Some Class II malocclusions are due, at least in part, to a retruded lower dental arch relative to the mandibular body. The purpose of this study was to determine if a direct anterior force on the lower incisors could lead to bodily movement of these teeth. Twenty-seven patients (9 males, ...

The effect of combined orthodontic and orthognathic treatment was studied retrospectively in 24 patients with skeletal class III malocclusions with mandibular hyperplasia, particularly the effect on temporomandibular joint (TMJ) disc position. The patients underwent preoperative orthodontic treatment, orthognathic surgery, and postoperative orthodontic treatment. The patients were studied clinically, radiographically with ...

INTRODUCTION: The aim of this study was to evaluate the evolution in craniosynostosis in terms of incidence and management in the last 20 years and to discuss the clinical implications and future perspectives with regards to the practical organization of daily practice. METHODS: The relative incidence and management modalities of ...

Insertion of fixed orthodontic appliances induces increased biofilm formation caused by a higher number of plaque-retentive sites. The purpose of the study was to perform a quantitative analysis of supra- and subgingival long-term biofilm formation on orthodontic bands. Ten patients (five females and five males, aged 18.3+/-5.4 years) who had ...

PURPOSE: To examine the separation of the pterygomaxillary region at the posterior nasal spine level after Le Fort I osteotomy in Class III patients. PATIENTS AND METHODS: The study group consisted of 37 Japanese patients with mandibular prognathism and asymmetry, with maxillary retrognathism or asymmetry. A total of 74 sides ...

This study evaluated stability, tipping and relapse after surgically assisted rapid maxillary expansion (SARME), comparing bone-borne and tooth-borne devices, in skeletally matured non-syndromal patients with transverse maxillary hypoplasia. The study is a randomized, open-label, clinical trial. Patients were randomized to bone-borne (n=25) and tooth-borne (n=21) groups. The surgical technique for ...

The aim of this study was to compare orthodontic practices in eight Finnish municipal health centres selected on the basis of an earlier survey to represent early and late timing of treatment. The health centres were grouped according to the mean age of starting treatment; earlier versus later than 9 ...

OBJECTIVE: To investigate the 3-dimensional (3D) changes in the hard and soft tissues of skeletal class III malocclusion (CIII) patients with or without facial asymmetry by mandibular setback surgery (MSS). STUDY DESIGN: Seventeen adult CIII patients treated with MSS (bilateral sagittal split ramus osteotomy) who had 3D computerized tomography taken ...

The masseter and temporal muscles of patients with maxillary and mandibular osteoporosis were submitted to electromyographic analysis and compared with a control group. In conclusion, individuals with osteoporosis did not show significantly lower masticatory cycle performance and efficiency compared to the control group during the proposal mastications. This study aimed ...

OBJECTIVES: Our institution has had problems with mislabeling of tissue specimens in our gastrointestinal and colorectal surgery endoscopy units. Most labeling errors have been due to either the wrong patient label or no label being affixed to a specimen bottle. As a result, an initiative was created to reduce the ...

Sturge-Weber syndrome (SWS) is characterized by capillary malformation, glaucoma, leptomeningeal vascular anomalies, and variable facial overgrowth. The purpose of this study was to document the prevalence and morbidity of facial hypertrophy in 2 cohorts: group 1, surveyed patients registered in the SWS Foundation, and group 2, patients treated at our ...

INTRODUCTION: Functional occlusion has received little attention in short- and long-term evaluations of orthodontic treatment results. Thus, the purpose of this study was to determine the long-term changes in functional occlusion during the postorthodontic retention period. METHODS: One hundred fifteen consecutive patients treated with multibracket appliances were examined twice: directly ...

AIM: The aim of this study is to assess if, and to what extent, myotonic dystrophy can affect the craniofacial growth pattern. MATERIALS AND METHODS: The research was conducted on a sample of 27 patients with Steinert's myotonic dystrophy (study group). Each subject underwent a clinical examination with impression-taking and ...

PURPOSE: Saliva is a complex secretion that plays an important role in stomatognathic system activities, and its absence may lead to damaged functions such as mastication. Thus, the aim of this study was to investigate the effect of salivary flow rate on masticatory efficiency. MATERIALS AND METHODS: Sixty dentate subjects ...

AIM: To report the outcome of the endodontic treatment of a reimplanted central maxillary incisor with open apex after 8 years and 7 months of follow-up. SUMMARY: This case report presents the treatment of a right central maxillary incisor of an 8-year old white male patient with history of traumatic ...

Previous studies have suggested that probiotic supplements in dairy products may affect the oral microbial ecology, but the effect in orthodontic patients has not previously been reported. The aim of the present study was to examine whether short-term consumption of fruit yogurt containing probiotic bifidobacteria would affect the levels of ...

Juvenile idiopathic arthritis (JIA) can severely disturb facial growth and affect occlusal development. In this case-control study, facial, functional, and occlusal characteristics of 100 JIA patients (35 males and 65 females; age range: 1.7-19.4 years) comprising all subtypes classified according to the revised classification criteria of the International League of ...

PURPOSE: The purpose of this systematic review was to evaluate horizontal relapse and its causes in bilateral sagittal split advancement osteotomy (BSSO) with rigid internal fixation of different types. MATERIALS AND METHODS: A search of the literature was performed in the databases PubMed, Ovid, Cochrane Library, and Google Scholar Beta. ...

The objective of this study was to examine if chin cup therapy have any adverse effect on the sagittal pharyngeal dimensions in Class III malocclusion patients. Twenty patients (10 girls and 10 boys; mean age 10.31 +/- 1.15 years) with skeletal Class III malocclusion, and an untreated control group (8 ...

INTRODUCTION: Reports comparing Class III patients treated by camouflage and those treated by orthognathic surgery are not numerous. The purpose of this study was to compare the dental and skeletal values of Class III patients treated with these methods against normative data and over the course of treatment. METHODS: Thirty-three ...

This study aimed to gather statistically validated information on the changes in orthodontic variables in patients with bilateral upper lateral incisor aplasia treated with isolated orthodontic space closure. Data were collected from 25 (15 females, 10 males) consecutively treated, unselected adolescents [mean age at the end of treatment 16.4 years, ...

OBJECTIVE: To evaluate soft tissue characteristics in individuals with cleft lip and palate and the degree of satisfaction of these individuals after rehabilitation. Setting: Hospital for Rehabilitation of Craniofacial Anomalies, Brazil. PATIENTS: Forty-five individuals with repaired complete unilateral cleft lip and palate, aged 15 to 30 years. INTERVENTIONS: One hundred ...

This study compared the mandibular displacement from three methods of centric relation record using an anterior jig associated with (A) chin point guidance, (B) swallowing (control group) and (C) bimanual manipulation. Ten patients aged 25-39 years were selected if they met the following inclusion criteria: complete dentition (up to the ...

Orthodontic treatment to improve not only tooth alignment but also facial esthetics is a given in modern society. This paper illustrates this assumption with a report of a patient with a Class I, maxillary retrusion, concave profile, and retrusion of the upper and lower lips. Maxillary expansion was followed by ...

Interposition arthroplasty in cases of temporomandibular ankylosis provides satisfactory postoperative mouth opening but correction of the associated facial deformity demands proper attention. PURPOSE: To evaluate the use of distraction osteogenesis for correction of facial deformity caused by temporomandibular ankylosis. MATERIAL: This study was conducted in 30 children (age 6-22 , ...

Aim: To evaluate the transverse dimensions of the maxillary arch induced by fixed self-ligating and traditional straight-wire appliances during orthodontic therapy. Patients and Methods: Forty consecutive patients (age range 14 to 30 years) with normal or low mandibular plane angle, normal overbite, and mild crowding were included. The traditional appliance ...

This preventive orthodontic technique is applicable for the 5- to 7-year-old to prevent problems involving crowding, spacing, rotations, overbite, overjet, gummy smiles, Class II molar relations, and TMJ dysfunction from developing. The technique is based on accepted published research on the development of the dentition. Patients are typically started at ...

A 13-year, 9-month-old girl presented with the chief complaint of crowding and protrusion of her anterior teeth. She was dolichofacial with a Class II Division 1 occlusion and had reached the final phase of her skeletal growth. Clinical symptoms and tomograms were indicative of a TMJ dysfunction. Because orthognathic surgery ...

This study investigated the functional occlusion in two groups of patients treated to a Class I canine and molar relationship by fixed appliance therapy. Group A consisted of 24 patients treated with standard edgewise appliances, whereas the 15 patients in group B were treated with a straight-wire appliance. The occlusal ...

DESIGN: A randomised controlled trial (RCT) was performed in a single orthodontic practice. INTERVENTION: The aim was to compare the clinical effectiveness of Hawley and vacuum-formed retainers (VFR) over a 6-month period of retention. Three hundred and ninety-seven patients were treated by a specialist orthodontist and randomly allocated to wear ...

The patient was a woman, 24 years 8 months old, with mandibular asymmetry resulting in a unilateral posterior crossbite. In addition to moderate crowding in the mandibular arch, the malocclusion was further complicated by an asymmetric maxillary arch, a consequence of an extracted maxillary left second premolar. The mandibular arch ...

Thirty-six adult patients (26 men and 10 women) who had been operated on for bilateral complete cleft lip and palate (BCLP) were evaluated with regard to long-term follow-up consisting of clinical investigation, perceptual speech analysis, and self-estimation of quality of speech. Twenty-six had had a von Langenbeck repair at the ...

The purpose of the present study was to probe into the effects of maxillary second molar extraction on dentofacial morphology by the use of cephalometric radiographs taken before and after anterior open-bite treatment. The subjects were 30 Japanese patients who had received multiloop edgewise archwire therapy without premolar extraction. They ...

OBJECTIVE: The purpose of this study was to examine the changes in vertical dimension occurring in Class I non-growing patients treated with first four premolars extraction and to test the hypothesis that the vertical dimension collapses after four first premolars extractions. MATERIAL AND METHODS: Records of 28 patients (9 males ...