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At least 793 records · Page 44Linked to original sources
PubMed2004

Evaluation of two skeletal and dental class III cases: 10 years postretention.

AIM: The orthodontic treatment and the results of treatment of two skeletal and dental Class III cases are presented. MATERIAL AND METHODS: The cephalometric radiographs taken before and after treatment and 10 years out of retention are evaluated, and the basis for the selected treatment approach is presented. Ten-year postretention results are reviewed and factors that provide the clinician with a better understanding of treatment alternatives in growing patients with Class III relationships are discussed. RESULTS AND CONCLUSION: Type of malocclusion, direction of mandibular growth, maxillary and mandibular incisor inclinations, origin of the anomaly, and patient cooperation are important factors in selecting a treatment plan for this malocclusion.

Cephalometry↗
PubMed2005

Utilizing a directional force system in class II mechanics.

The concepts of esthetics, function, and health must be supported by sound diagnosis, treatment planning, treatment timing, and mechanotherapy for each orthodontic patient. The treatment of a patient with a Class II, Division 1-type malocclusion is shown in this case report. The treatment sequence of complete Class II mechanotherapy and a directional force system are emphasized.

Cephalometry↗
PubMed2005

[Treatment of class I malocclusion with severe dento-maxillary dysharmony in the permanent dentition of young black African patients].

Class I malocclusion with severe dental crowding can constitute a serious psychosocial and functional damage among young patients; from where orthodontic importance of the treatment. In the present study the authors present the treatment of two clinical cases whose initial problems are similar. They are two cases of class I malocclusion but whose certain diagnosed clinical factors have constrained in a case to control to the maximum anchoring on the level of the molars and in the other to control the dental axes. The final results are satisfactory because of the restoration of a physiological occlusion. Concomitantly we obtain a clear improvement of the smile.

Cephalometry↗
PubMed1994

Studies on marine algae for haemagglutinic activity.

Lectins (agglutinins) are important in medical and immunological applications. Phytohaemagglutinins have been found useful in blood banking. Keeping in view of these facts, the marine algae found at Karachi coastal region have been screened for agglutinic activity by using human erythrocytes of A, B, AB and 0 group. Altogether 53 algal samples were collected and subjected to extraction, fractionation serial dilution and titre determinations. The total marine algae screened for haemagglutinic activity were 44 out of these 14, 13 and 17 belonged to Chlorophyta, Phaeophyta, and Rhodophyta respectively. Among these three groups the Rhodophyta showed the highest number of lytic activity. The green marine alga Valoniopsis pachynema showed a titre value between 2(2) and 2(3), which is statistically significant. In case of brown marine algae Colpomenia sinuosa was found to be active (titre 2(3)), while Dictyota dichotoma, D. indica and Iyengaria stellata, furnished week titre value as 2(2). The red marine algae screened were 17, out of these 4 spp. showed significant activity (titre 2(3)), and these are Gelidium usmanghani, Gracilaria foliifera Hypnea pannosa and Hynea valentiae. While Scinaia fascicularis, Scinaia indica and Champia parvula were found to be weak in their onset on human erythrocytes. The results obtained were quite in agreement with those reported in the literature.

Journal Article↗
PubMed2006

Influence of rubber dam isolation on human pulp responses after capping with calcium hydroxide and an adhesive system.

OBJECTIVE: The objective was to evaluate the influence of rubber dam isolation on the response of human pulps capped with calcium hydroxide and an adhesive system. METHODS AND MATERIALS: Direct pulp capping was performed in 40 caries-free human premolars scheduled for extraction as part of orthodontic treatment. The teeth were randomly divided into 8 groups (n = 5) according to the combination of treatment factors: capping agent (adhesive resin or calcium hydroxide), isolation (rubber dam or cotton pellets only), and period of evaluation (30 or 60 days). Class 2 cavities were prepared, and pulp exposures were created on the occlusal floor. After capping, all teeth were restored with Z-100 placed incrementally. After 30 or 60 days, patients were asked about their symptoms, teeth were extracted, and serial sections were evaluated. The data were subjected to a nonparametric test. RESULTS: Overall, the histologic features showed that the pulp response was worse for groups capped with adhesive. For adhesive-capped groups, the pulp response varied from pulp necrosis to acute inflammatory cell infiltrate, and most of the pulps capped without rubber dam isolation showed severe inflammatory cell infiltrate involving the coronal pulp with chronic abscesses. For the calcium hydroxide groups, all specimens showed dentin bridge formation, regardless of the type of isolation used. CONCLUSION: Calcium hydroxide should be used as the material of choice for pulp capping with or without rubber dam isolation. The use of adhesive systems in vital pulp capping is contraindicated, especially if rubber dam isolation is not implemented.

Adhesives↗
PubMed2006

Is the benefit of early orthodontic treatment worth the burden?

In summary, early interception of Class III malocclusion is definitely warranted for many patients. A careful analysis of the patient's problem, and an analysis of the patient's airway is essential if one is to make the correct decision as to the amenability of early treatment of the patient's Class III malocclusion. The Class I patient, in most instances, especially if the crowding is severe, can be favorably impacted with guidance of occlusion. This procedure shortens treatment time and lessens the burden for both the patient and the family. Space preservation is also a viable procedure if the Class I patient has minor mandibular anterior crowding. Early Class II intervention can be attempted if all parties concerned know the literature and expectations. Of the three types of malocclusions, the Class II malocclusion presents with the most problems, and early Class II treatment must be viewed pessimistically.

Adolescent↗
PubMed2006

The 2005 C.T. Rowland Award orthodontic case report.

The C.T. Rowland award is presented annually by the Texas Orthodontic Study Club (formerly "Texas Tweed"). The award was first presented in 1954 in recognition of the group's president, C. T. Rowland. Applicants to the study club, which numbers almost 200 orthodontists from Texas and surrounding states, are required to present five cases for membership. These cases, with before and after records, represent a variety of malocclusions demonstrating the applicants' knowledge and expertise in diagnosing, treating, and finishing cases with quality results. The qualifying committee reviews each applicant's cases and, based on the difficulty of the original malocclusions and the degree of excellence of the finished result, chooses one person to receive their award. The 2005 winner of the C. T. Rowland award is Dr. Kyle Shannon. He is in the exclusive practice of orthodontics in Tulsa, OK.

Awards and Prizes↗
PubMed1991

[Prognostic factors of treatment results through diagnostic and therapeutic elements].

A file including 559 treated patients, from whom the result of treatment is know, is analysed. It concerns 52 diagnostic and 7 therapeutic variables. The statistic analysis is executed in particular by scoring method. It allows to identify the 8 most discriminating variables relating to orthodontic prognosis. The ANGLE Class presents an essential weight. The other 7 variables differently interfer according to ANGLE Classes.

Age Factors↗