The history of articulators: the "Articulator Wars" phenomenon with some circumstances leading up to it.

At the dawn of the 20th century, all was not well with the practice of "plate prostheses." Removable prosthodontics had been degrading for several decades and was now generally in low esteem, even though there had been many significant advances. W.

A chondroitin sulfate chain attached to the bone dentin matrix protein 1 NH2-terminal fragment.

Dentin matrix protein 1 (DMP1) is an acidic noncollagenous protein shown by gene ablations to be critical for the proper mineralization of bone and dentin. In the extracellular matrix of these tissues DMP1 is present as fragments representing the NH2-terminal (37 kDa) and COOH-terminal (57 kDa) portions of the cDNA-deduced amino acid sequence. During our separation of bone noncollagenous proteins, we observed a high molecular weight, DMP1-related component (designated DMP1-PG).

Colocalization of dentin matrix protein 1 and dentin sialoprotein at late stages of rat molar development.

Dentin matrix protein 1 (DMP1) and dentin sialophosphoprotein (DSPP) are acidic proteins found in the extracellular matrices of bones and teeth. Recent data from gene knockouts, along with those of gene mutations, indicate that these two phosphoproteins are critical for bone and tooth development and/or maintenance. However, the precise functions of the two proteins have not been elucidated.

Detection of dentin sialoprotein in rat periodontium.

Cloning and sequencing of the cDNA indicates that dentin sialophosphoprotein (DSPP) is a precursor of both dentin sialoprotein (DSP) and dentin phosphoprotein (DPP). Dentin sialophosphoprotein must be proteolytically processed to form these two extracellular matrix (ECM) proteins. Numerous studies led us to conclude that DSP (and DSPP) are exclusively expressed by odontoblasts and preameloblasts.

Dentin sialoprotein in bone and dentin sialophosphoprotein gene expressed by osteoblasts.

Dentin sialoprotein (DSP) and dentin phosphoprotein (DPP) are expressed as a single mRNA transcript. This transcript codes for a large precursor protein termed dentin sialophosphoprotein (DSPP). DSP, DPP, and DSPP have been considered to be tooth-specific.

The expression of dentin sialophosphoprotein gene in bone.

Dentin sialoprotein (DSP) and dentin phosphoprotein (DPP) are expressed as a single mRNA transcript coding for a large precursor protein termed dentin sialophosphoprotein (DSPP). DSP, DPP, and DSPP have been considered to be tooth-specific. To test for the expression of the dspp gene in bone, we performed Western immunoblots and reverse-transcription polymerase chain-reaction (RT-PCR).

The history and development of the dental surveyor: part II.

Part II of this series on the history and development of the dental surveyor reviews ways in which the basic dental surveyor has been modified to improve its accuracy and versatility. .

Dental emergencies in a university-based pediatric dentistry postgraduate outpatient clinic: a retrospective study.

The purpose of this retrospective study was to determine the prevalence and types of dental emergencies occurring in a university-based, pediatric dentistry postgraduate outpatient clinic. All patients presenting for emergency dental care during scheduled clinic hours over a three year were identified, and their charts were retrieved. Each record was reviewed for demographic information, chief complaint and clinical diagnosis.

The history and development of the dental surveyor: part I.

The dental surveyor is an indispensable instrument capable of performing a number of prosthodontic procedures. Surprisingly, the technique of surveying casts as part of the treatment planning procedure did not emerge until early in the twentieth century. This article reviews the origins and early use of the dental surveyor.

The dental management of a patient with a cocaine-induced maxillofacial defect: a case report.

There are several dental complications associated with cocaine abuse, including adverse reactions to dental anesthetics, post-operative bleeding, and cellulitis, which can lead to necrosis of orbital, nasal, and palatal bones. Following is a report of the initial treatment rendered to a patient who had destroyed most of her hard palate over a ten-year period of cocaine abuse. There are no classic socio-economic or educational profiles for abusers of cocaine.

Enamel caries formation and lesion progression with a fluoride dentifrice and a calcium-phosphate containing fluoride dentifrice: a polarized light microscopic study.

The effects of a fluoride dentifrice (Colgate Total) and a calcium-phosphate containing fluoride dentifrice (Enamelon) on caries-like enamel lesion formation and progression were evaluated in vitro. One quarter from each tooth (n = 12) was assigned to one of the study groups: 1) control group [artificial saliva only]; 2) Colgate Total; and 3) Enamelon. The dentifrices were applied to the enamel windows (3 minutes, 3 time per day for 14 days).

A case report: recognizing factitious injuries secondary to multiple eating disorders.

This report describes the uncommon problem of a female patient diagnosed with an eating disorder, bulimia nervosa, who reported self-mutilating dental factitious behavior. The case presents a serious diagnostic and management problem. Notwithstanding the clinical appearance of the dentition, a thorough medical-dental history was essential for this uncommon diagnosis.

Factors contributing to adverse soft tissue reactions due to the use of tartar control toothpastes: report of a case and literature review.

Tetrasodium and/or tetrapotassium pyrophosphate (Ppi) is the anticalculus component of most tartar control dentifrices on the market today. While pyrophosphates alone are not responsible for hypersensitivity reactions, several modifications which may lead to adverse oral manifestations may occur when pyrophosphates are added to a dentifrice. First, tetrasodium pyrophosphate in a dentifrice forms a slightly alkaline solution upon oral use which could irritate oral membranes.

Professional dental education ... the beginnings.

From very humble beginnings, professional dental education for the world began in 1840 at the Baltimore College of Dental Surgery, the site of the 46th meeting of the American Academy of the History of Dentistry. Most all countries today have professional dental education facilities or require formalized professional education of those permitted to the legal practice of dentistry. Throughout the world, most dental educational institutions historically can trace their beginnings, directly or indirectly, to the Baltimore College of Dental Surgery.