Tooth colored Restorative Dental Materials are being used more profusely in Dentistry as the need for Aesthetics has increased and the tooth colored materials are having similar properties to materials like Amalgam. Here i am going to compare the various physical properties of Tooth colored Restorative Dental Materials: Strength Compressive Strength Modulus of Elasticity Shrinkage during […]
Common Failures or Defects and Causes of Elastomeric Impression materials
Elastomeric impression materials are used to reproduce very accurate impressions where all the little details are also captured in the impression and reproduced in the cast produced. Classification of Elastomeric Impression materials: Elastomeric impression materials are divided into 3 types based on their composition 1. Polyether 2. Polysulfide 3. Silicone: Addition Condensation Failures in Elastomeric […]
Drugs and Medicines causing Mucositis or Oral Burns
Mucositis: It is dose and rate limiting toxicity caused due to Cancer Therapy which is a painful and debilitating condition. Symptoms seen are Pain, Decrease in Oral and Pharyngeal function, Oral bleeding. Mucositis starts with an initial inflammatory epithelial and vascular phase. It starts with White patches on mucosa, caused by epithelial hyperplasia/hypertrophy and intra […]
Edge and Centroid Relationship
What is Edge and Centroid Relationship: It is a measure as the distance between the perpendicular projections of lower incisor edge and centroid of upper incisor root on maxillary plane. What is Edge in Edge Centroid relationship: The tip of the crown most prominent lower incisor What is Cnetroid in Edge Centroid relationship: The Mid-Point […]
What are the Micro organisms found in a Failed Endodontic Treated tooth with Apical Pathology or Apical Periodontitis
An Endodontic Treated tooth with Post operative Apical Periodontitis often is a result of improper BMP, missed canals, fracture of tooth, loose restoration etc. during Root Canal Treatment. There are many causes of failure of Root Canal treatment which are mentioned in this post – Link Only a small number of species of micro organisms […]
What are the Predominant Micro Organisms in various parts of the Oral Cavity
Oral cavity supposedly contains the maximum number of micro organisms compared to any part of the Human Body. There are both Harmful and Beneficial Micro organisms in the Oral cavity, Aerobic (or) Anaerobic, Gram (+ve) or Gram (-ve) etc. Solet us look at the list of micro organisms seen in the oral cavity based on […]
Drugs causing Taste Disorders – Hypogeusia, Ageusia, Dysgeusia
What is Taste: Taste is the perception of the Taste buds containing taste receptors in the Papilla present on the surface of the tongue, which is transmitted to the brain through nerves. The cells which perceive taste are called taste cells or gustatory cells. Here i want to disapprove a common misconception that different types […]
Drugs Causing Salivary Gland Discoloration, Swelling, Sialorrhoea and Hypersalivation
Salivary Glands are Exocrine Glands which are affected by many Drugs, these drugs affect their function, secretion and Size of the Glands in general or affect Specific Gland. In many cases we see that even in the absense of medication some patients suffer from lack of or Excess saliva secretion and this should be considered […]
What are the Tissues Surrounding Dental Implant
Dental Implant is an Artificial structure used to replace a missing tooth with the help of Osseointegration. Dental Implant is placed in the desired position after making a hole in the Alveolar bone depicting the natural tooth. But the differences in Tissues surrounding the Natural tooth Root and the root portion of the Dental implant […]
Drugs Causing Xerostomia or Dry Mouth
Xerostomia or Dry Mouth: It is a decrease in the amount of saliva secreted which leads to dryness of the oral cavity. We cannot call Xerostomia as a Disease or Condition but it should be termed as a Symptom for an underlying disease. As Dry Mouth is caused by an underlying medical condition it leads […]
Drugs Causing Erythema Multiforme
Erythema Multiforme: It is a Hypersensitivity Skin reaction which is caused due to the deposition of immune complex Immunoglobulins IgM in the superficial Blood vessels of the Skin and Oral Mucous membrane. Erythema Multiforme is divided into E.M Minor and E.M Major and is distinct from Steven Johnsons Syndrome. Most common sites for the mucosal […]
Drugs causing Trigeminal Neuropathy or Neuralgia
Trigeminal Neuropathy or Neuralgia is a condition which is caused when the Trigeminal Nerve is affected leading to loss of functions, tingling sensation, burning sensation and extreme intermittent, shooting pain in the face. Trigeminal nerve sends impulses of touch, pain, pressure and temperature to the brain from the structures surrounding the oral cavity and the […]
Causes of Trigeminal Neuropathy
Trigeminal Neuropathy: It is the condition in which the Peripheral nerves of the Trigeminal Nerve is affected due to various reasons like Trauma, infection etc and damage to nerve axons is seen which cause the symptoms of Loss of muscle function, loss of sensation, and sometimes Tingling and Burning sensation is seen in the patient […]
Types of Bevels and their Uses in Tooth or Cavity Preperation
What is a Bevel ? Bevels are the angulation which is made by 2 surfaces of a prepared tooth which is other than 90 degrees. Bevels are given at various angles depending on the type of material used for restoration and the purpose the material serves. Definition of Bevel: “Any abrupt incline between the 2 […]