Dentistry Commons^™

Glass-Ionomer Adhesives In Orthodontics: Clinical Implications And Future Research Directions, T. Gerard Bradley, Daniel Camargo De Oliveira

School of Dentistry Faculty Research and Publications

During the past ten years significant advances have been made in the development of glass-ionomer bonding adhesives. The beneficial effects of fluoride are well documented and an agent which reduces or prevents a white spot lesion that commonly occurs clinically, is desirable. There has been a notable lack of randomized clinical trials to determine the prevalence of white spot lesions after orthodontic treatment although it is often reported in the literature. White spot lesions pose health and esthetic problems and their proper clinical management has yet to be resolved. The objective of this paper Is to review the literature in …

Lateral Cephalometric Analysis Of Asymptomatic Volunteers And Symptomatic Patients With And Without Bilateral Temporomandibular Joint Disk Displacement, Jose A. Bosio, James G. Burch, Ross H. Tallents, Dale B. Wade, Frank M. Beck

School of Dentistry Faculty Research and Publications

Few studies of dentofacial and orthodontic structural relationships relative to temporomandibular joint (TMJ) dysfunction have been reported. We undertook this investigation to determine any correlation of orthodontic and dentofacial characteristics with TMJ bilateral disc displacement. The population of patients was selected from a TMJ clinic where a control group of asymptomatic volunteers had been previously established and standardized. Differences in skeletal structural features were determined among three study groups: (1) asymptomatic volunteers with no TMJ disk displacement, (2) symptomatic patients with no TMJ disc displacement, and (3) symptomatic patients with bilateral TMJ disk displacement. Thirty-two asymptomatic volunteers without disk displacement …

Ectopic Eruption Of Maxillary First Permanent Molars: Treatment Options And Report Of Two Cases, H. Cem Güngör, Nil Altay

School of Dentistry Faculty Research and Publications

Irreversible ectopic eruption of maxillary first permanent molars may lead to crowded permanent dentition when it is overlooked. The situation usually requires active treatment. In the presented irreversible ectopic eruption cases, distalization and uprighting of maxillary first permanent molars were achieved using removable orthodontic appliances.

Differential Scanning Calorimetry (Dsc) Analyses Of Superelastic And Nonsuperelastic Nickel-Titanium Orthodontic Wires, T. Gerard Bradley, William A. Brantley, Bill M. Culbertson

School of Dentistry Faculty Research and Publications

The purpose of this study was to determine the transformation temperatures for the austenitic, martensitic, and rhombohedral (R) structure phases in representative as-received commercial nitinol (NiTi) orthodontic wire alloys, to reconcile discrepancies among recent publications. Specimens were examined by differential scanning calorimetry (DSC) over a temperature range from approximately −170° C to 100° C, with a scanning rate of 10° C per minute. Two different pathways, with the intermediate R structure either absent or present, were observed for the transformation from martensitic to austenitic NiTi, whereas the reverse transformation from austenitic to martensitic NiTi always included the R structure. The …

Differential Scanning Calorimetry (Dsc) Analyses Of Superelastic And Nonsuperelastic Nickel-Titanium Orthodontic Wires, T. Gerard Bradley, William A. Brantley, Bill M. Culbertson

School of Dentistry Faculty Research and Publications

The purpose of this study was to determine the transformation temperatures for the austenitic, martensitic, and rhombohedral (R) structure phases in representative as-received commercial nitinol (NiTi) orthodontic wire alloys, to reconcile discrepancies among recent publications. Specimens were examined by differential scanning calorimetry (DSC) over a temperature range from approximately −170° C to 100° C, with a scanning rate of 10° C per minute. Two different pathways, with the intermediate R structure either absent or present, were observed for the transformation from martensitic to austenitic NiTi, whereas the reverse transformation from austenitic to martensitic NiTi always included the R structure. The …

Effect Of Baking Soda-Peroxide Dentifrice On Post-Surgical Wound Healing, Andrew R. Dentino

School of Dentistry Faculty Research and Publications

Purpose:

To investigate the effect of a baking soda-hydrogen peroxide (0.75%) dentifrice on wound healing, plaque formation, gingival inflammation, wound healing, patient comfort, probing depth, and clinical attachment level following gingival flap surgery.

Materials and Methods:

A randomized, double-blind crossover study involving 25 patients requiring bilateral maxillary gingival flap surgery was completed. The effects of twice daily brushing with a baking soda-hydrogen peroxide dentifrice (Mentadent) or a placebo dentifrice (Crest) were observed over a 28-day post-surgical period. Gingival index (GI); plaque index (Pl) , probing depth (PD), clinical attachment level (CAL) and gingival bleeding index (Bl) were recorded pre-surgically and …

Destructive Hostility: The Jeffrey Dahmer Case: A Psychiatric And Forensic Study Of A Serial Killer, Jeffrey Jentzen, George Palermo, L. Thomas Johnson, Khang-Cheng Ho, K. Alan Stormo, John Teggatz

School of Dentistry Faculty Research and Publications

We were involved as forensic experts in the case of the serial killer Jeffrey Dahmer. We discuss the scene and victim autopsy findings, with a brief consideration of the basic emotion of hostility. These findings support the thesis that at the basis of this serial killer's behavior were primary unconscious feelings of hate that he had channeled into a sadistic programmed destruction of 17 young men. The interview of the serial killer, the photographic scene documentation, and the autopsy findings stress the ambivalent homosexuality of the killer, his sexual sadism, his obsessive fetishism, and his possible cannibalism and necrophilia.

Developing Consistency In Enamel Etching By Co2 Laser, Cesar D. Gonzalez, Kenneth L. Zakariasen

School of Dentistry Faculty Research and Publications

It has been reported that CO₂ laser energy can be utilized to etch enamel. However, consistency of etching has been a significant problem. This research was designed to ascertain which exposure parameters result in consistent etching of enamel. Fourteen non.carious teeth were selected and a 2x4 gridwork was cut into the buccal surfaces creating eight discrete windows for laser exposures. Four teeth served for the initial pilot project. Two windows were lased at each combination of exposure parameters. Laser exposures were at .01, .02, .05, or .10 sec. at 2, 5, 10, or 15 Watts (W) with a model …

Clinical Occupational Bloodborne Exposure In A Dental School, Cesar D. Gonzalez, Ronald J. Pruhs, Elise Sampson

School of Dentistry Faculty Research and Publications

No abstract provided.

Role Of Peptide Backbone Conformation On Biological Activity Of Chemotactic Peptides, Andrew R. Dentino, Periathamby A. Raj, Krishna K. Bhandary, Mark E. Wilson, Michael J. Devine

School of Dentistry Faculty Research and Publications

To investigate the role of peptide backbone conformation on the biological activity of chemotactic peptides, we synthesized a unique analog of N-formyl-Met-Leu-Phe-OH incorporating the C ^α,α disubstituted residue, dipropylglycine (Dpg) in place of Leu. The conformation of the stereochemically constrained Dpg analog was examined in the crystalline state by x-ray diffraction and in solution using NMR, IR, and CD methods. The secretagogue activity of the peptide on human neutrophils was determined and compared with that of a stereochemically constrained, folded type II β-turn analog incorporating 1-aminocyclohexanecarboxylic acid (Ac₆c) at position 2 (f-Met- Ac₆c -Phe-OMe), the …

Bite Mark Evidence: Recognition, Perservation, Analysis And Courtroom Presentation, L. Thomas Johnson, David Cadle

School of Dentistry Faculty Research and Publications

No abstract provided.

Craniofacial Morphology And Occlusal Variation In Monozygous And Dizygous Twins, William K. Lobb

School of Dentistry Faculty Research and Publications

A study of 60 pairs of twins, 30 monozygous and 30 dizygous, finding a strong genetic component overlaid by functional adaptation most prominent in the dental area.

Noncariogenic Sweeteners: Sugar Substitutes For Caries Control, Curt S. Ayers, Richard A. Abrams

School of Dentistry Faculty Research and Publications

The evidence is clear that the incidence of dental caries is related to the frequency of eating sugar. The use of sugar substitutes is a suggested way of reducing sugar intake. A variety of noncariogenic sweeteners exists, but most have no practical value for caries control because of their technical or safety problems, taste, or cost. Urinary bladder tumorigenic effects have been reported in experimental animals treated with saccharin and cyclamates. Because of concerns for human safety, cyclamates were banned in the U.S., and saccharin use was permitted only by special legislation. The polyalcohols sorbitol and xylitol are important sugar …

Denturism And The Dentists, Richard A. Abrams

School of Dentistry Faculty Research and Publications

No abstract provided.

Replantation Of An Avulsed Incisor: Case Report, Richard A. Abrams

School of Dentistry Faculty Research and Publications

No abstract provided.

Modern Non-Metallic Denture Base Materials, Melvin E. Goldman

Bachelors’ Theses

Prosthetic dentistry, as far back as the archeologists have traced, had its beginning among the ancient Egyptians and Phoenicians. The ruins of the Eutruscan civilization, a civilization expert in gold working, disclosed several comparatively ingenious devices for the replacement of lost natural teeth with artificial ones. This, however, is ancient history and the complexity of the subject makes it necessary that we confine ourselves to modern prosthesis.

Endocrinodontia, John Milton Goldberg

Bachelors’ Theses

Endocrinology is the science dealing with the internal secretions and their physiological and pathological relations. The internal secretions are elaborated from their respective glands into the blood or lymph stream without a duct, and are thus called endocrine or ductless glands. The internal secretions or hormones are consequently never seen directly, thus, only their effects can be studied. The endocrine glands have the responsibility of coordinating the speed with which every cell in the body performs its duty. They are able to sense any change of environment and they react immediately by sending out hormones to that organ which require …

A Study Of The Rise In Temperature Within The Pulp Chamber When Using The Various Revolving Instruments To Cut Tooth Structure, Gaspare Castellano

Bachelors’ Theses

The possibility of harming the dental pulp by the speedy preparation of teeth for extensive reconstruction, such as the placing of porcelain jacket crown or gold crown, has often been brought to the attention of the dental profession.

Immediate Denture Service, Nathan Allen Shapiro

Bachelors’ Theses

Immediate full denture service in the sense here considered, that is, in the meaning generally applied to it in the dental literature, consists of constructing one or both artificial full dentures before the natural teeth are removed and preparing the mouth surgically so that one or both dentures can be inserted at the same sitting that the teeth are extracted. The patient is spared the embarrassement always associated with an edentulous period. He is never seen without teeth. If the work is skillfully done, few people need know that the natural teeth have been lost. This service expresses the highest …

Status Of Dentistry In Year 1890, Harry James Pearsall

Bachelors’ Theses

It is in little things that we show our real character; so it is in the minuteness of our manipulations as dentists that we leave our marks for our good or bad workmanship. To the casual observer, our general character may be accepted as far above the average; but many of us are so loose in little things, so careless and uncultured in our everyday language, tastes, and mannerisms, if not really repulsive in many things observable to our intimate friends and patrons, that, if it were not for their charity, we should repel them. And so in our dental …

Calcium Metabolism And Teeth, Adam Victor Walmus

Bachelors’ Theses

The development of teeth occurs with the rest of the body and not as a separate unit. The calcium which the teeth or bones receive is present in food in both organic and inorganic form. In all probability, the organic must be converted to the inorganic form in the alimentary tract prior to being absorbed in the upper regions of the small intestine.

Contributions Of Dr. Greene Vardiman Black To Advancement Of Dentistry, Morton Fuchs

Bachelors’ Theses

G-reene Vardiman Black was born on a humble Illinois farm in Scott County, on August 3, 1836, and there spent a normal childhood. At the age of seventeen, he began his studies which culminated in obtaining the following degrees: Doctor of Dental Surgery from the Missouri Dental College in 1877; Doctor of Medicine from the Chicago Medical College in 1884; Doctor of Science from the Illinois College in 1892; and Doctor of Letters and Law from Northwestern University in 1898. His love for mechanics caused him to devote his talents to the study of dentistry. At that time the profession …

Factors Concerned In The Etiology Of Malocclusions And Irregularities Of The Jaws, Vincent Stile

Bachelors’ Theses

Where, when and. how malocclusions started, we do not know, but evidence establishes the fact that from time immemorial animals as well as every race of mankind have been afflicted with malocclusions. Knowledge of the cause, treatment, and prevention of malocclusions and caries have been the chief interest of dental science. Far more advancement has been made and far simpler is the study of dental caries than that of irregularities of the teeth and jaws. Irregularities of the positions of the teeth and the resulting malocclusions, as in every pathological condition, is essentially a problem of growth and development and …

History Of Anaesthesia, Pedro Crisafi

Bachelors’ Theses

"And the Lord God caused a deep sleep to fall upon Adam, and he slept. And He took one of his ribs, and closed up the flesh instead thereof.” Thus is described the first case of anesthesia on record. It is certain that attempts to relieve the pain of surgical procedures extend back to remote times. The ancient Assyrians before performing the operation of circumcision employed digital compression of the carotid arteries to produce insensibility and in this connection curiously enough, the literal translation of the Greek and Russian terms for carotid is “The Artery of Sleep.” The ancient Egyptians …

History Of Anesthesia, O. A. Pennisi

Bachelors’ Theses

Anesthesia is a condition of insensibility to pain, either in part, or in whole. It may be divided into two classes: natural and artificial. The type which has been sought through the ages is the artificial anesthesia which could dull man’s sensibility to physical pain while the surgeon worked his painful but corrective arts upon the body.

Historical Background Of Radiography And Its Present Status In Dentistry, Joseph H. Nozick

Bachelors’ Theses

The X-ray was discovered in 1895 by William Roentgen, Professor of Physics, at the Royal University of Wiirzburg, in Germany. This discovery was received by the world with incredulity and amazement. A new ray had been discovered by means of which it was possible to look through opaque substances.

Commercial Laboratories From The Professional Point Of View, Victor I. Teltsch

Bachelors’ Theses

Many of the dentists who practiced seventy years ago showed great skill in the laboratory phases of prosthetic dentistry. All laboratory details and procedures of denture construction, including preparation of various gold alloys, plaster of Paris, making of artificial teeth, compounding of rubber, and numerous other processes, were then considered routine duties in the practice of dentistry. At that time, crown and bridgework was another branch of the profession in which the dentist manifested his artistic and mechanical ingenuity. Elaborate bridgework requiring complex planning and preparation was in great demand. Many practitioners used their own individual designs and laboratory methods …

Electrogalvanic Phenomena Of Dental Importance, Morris Schwartz

Bachelors’ Theses

The fact that dissimilar metallic restorations in the same mouth gives rise to electrogalvanic symptoms has been recognized for over one hundred years. Nineteenth century and early twentieth century accounts describe these phenomena more or less at length. However, it was not until the last decade that some attempt was made to correlate these electric phenomena with oral lesions such as leukoplakia, buccal ulcer and even carcinoma.

Ulceromembraneous Stomatitis, Emil Cerrato

Bachelors’ Theses

Recognizing the fact that considerable data has been recorded and still more work actually has been accomplished in the alleviation of the pain and suffering incident to the infection of Vincent, yet, from the comparative standpoint with what is known of other pathological conditions, this disease does not seem to receive the attention which it demands. With the exception of a numbered few, none of the more modern scientific works have any lengthy discussion in reference to this disease.

Electro-Therapy In Dentistry, Harry B. Pruce

Bachelors’ Theses

Dental Electro-therapy is that part of Dentistry concerned with the use of electricity, in the treatment of oral diseases and lesions.