Announcement

dear all second grade students….

regarding physiology lab for this week will be on Wednesday at 1:00 pm in the main building 

Dear students….

the time of the miderm exam is 12:30 pm and the duration is 60 minutes….. Be on time……Good luck

dear all students….

the selection date for new class representative for second grade students 2024-2025 will be on Monday 4.11.2024 AT 10:30 in hall number 72 

Dear all…

the lab uniform(scrub) color for the students 2024-2025 is 

1. Dark green for first grade students
   1. Dark blue for second grade students ……………..regards

"Complete Denture Prosthetics"
Authors: Paul A. G. Schmidlin, et al.
Overview: Focuses specifically on the clinical and laboratory aspects of complete denture fabrication.

"Essentials of Complete Denture Prosthodontics"
Author: K. Rajasekaran
Overview: Provides essential techniques and principles for complete denture construction.

"Dental Prosthetics"
Authors: Edward M. O'Leary, Gary A. P. Russell
Overview: Offers in-depth information on complete dentures and related topics.

"Complete Dentures: A Clinical and Laboratory Manual"
Author: Brian S. A. Smith
Overview: A practical guide that covers both clinical procedures and laboratory techniques in complete denture fabrication.

"Textbook of Prosthodontics"
Author: R. C. Gupta
Overview: Comprehensive coverage of various aspects of prosthodontics, including complete dentures.

dear students….

the following are the main instructions of safety of using medical labs:

General Safety Guidelines

Personal Protective Equipment (PPE):

• Always wear appropriate PPE: lab coats, gloves, goggles, and masks.
• Change gloves when contaminated and after every procedure.

Chemical Safety:

• Read Safety Data Sheets (SDS) for all chemicals used in the lab.
• Use fume hoods for volatile substances and ensure proper ventilation.

Equipment Use:

• Operate all lab equipment according to the manufacturer\'s instructions.
• Keep hands dry when using electrical equipment to prevent shock.

Housekeeping:

• Maintain a clean and organized workspace.
• Clean spills immediately to avoid slips or chemical exposure.

Waste Disposal:

• Dispose of hazardous waste according to institutional protocols.
• Use designated containers for sharps, biohazards, and chemical waste.

Specific Lab Practices

Infection Control:

• Follow strict hygiene practices to prevent cross-contamination.
• Sterilize all tools and surfaces before and after use.

Sample Handling:

• Label all samples clearly and handle them with care.
• Use proper techniques to avoid exposure to potentially infectious materials.

Ergonomics:

• Maintain good posture and ergonomics to prevent strain.
• Use tools designed to minimize repetitive motion injuries.

Emergency Procedures:

• Know the location of emergency exits, first aid kits, and eyewash stations.
• Be familiar with the procedure for chemical spills and fire alarms.

Hazard Reporting:

• Report unsafe conditions, spills, or injuries to a supervisor immediately.

Conduct and Attitude

Stay Focused:

• Concentrate on your tasks and avoid distractions.
• Do not engage in horseplay or unnecessary chatter in the lab.

Team Safety:

• Look out for your peers and remind them of safety protocols when needed.
• Participate actively in safety training and drills.

Continuous Learning:

• Stay updated on safety practices and protocols.
• Attend safety seminars or workshops when offered.

dear students…

following are the safety instructions for dental lab work

Personal Protective Equipment (PPE):

Always wear appropriate PPE: lab coats, gloves, safety goggles, and masks when necessary.

Ensure gloves are intact and change them if they become damaged.

Chemical Safety:

Familiarize yourself with the Safety Data Sheets (SDS) for all chemicals used.

Use fume hoods or proper ventilation when working with volatile substances.

Proper Handling of Equipment:

Use dental lab equipment according to the manufacturer\\\'s instructions.

Keep hands dry when operating electrical equipment to prevent shock.

Work Area Maintenance:

Keep workspaces clean and organized.

Immediately clean up spills to prevent slips or chemical exposure.

Waste Disposal:

Dispose of hazardous materials according to your institution’s guidelines.

Use designated containers for sharps and biohazard waste.

Specific Lab Practices

Model and Material Safety:

Be cautious with alginates, plaster, and other dental materials; ensure proper mixing and handling.

Avoid inhalation of dust from materials like gypsum or acrylic.

Infection Control:

Follow strict hygiene protocols to prevent cross-contamination.

Sterilize tools and equipment before and after use.

Ergonomics:

Maintain proper posture while working to prevent strain.

Use tools designed to minimize repetitive motion injuries.

Emergency Procedures:

Be aware of emergency exits and the location of first aid kits and fire extinguishers.

Know how to respond in case of chemical spills or accidents.

Reporting Hazards:

Report any unsafe conditions or incidents to a supervisor immediately.

Conduct and Attitude

Stay Focused:

Avoid distractions, especially when operating machinery or handling chemicals.

Do not engage in horseplay or inappropriate behavior in the lab.

Collaborative Safety:

Look out for your peers and remind them of safety protocols when necessary.

Participate in safety drills and training sessions.

Here are the main instruments and devices used in complete denture fabrication:

Main Instruments

Impression Trays:

• Stock Trays: Standard sizes for preliminary impressions.
• Custom Trays: Tailored for specific patient needs.

Impression Materials:

• Alginate: Common for preliminary impressions.
• Polyether and Silicone: Used for final impressions due to their accuracy.

Bite Registration Materials:

• Wax Rims: To record occlusion and midline.
• Bite Registration Paste: For precise occlusal records.

Articulators:

• Instruments that simulate jaw movement to ensure proper alignment of models.

Dental Surveyor:

• Used to evaluate the contours and heights of the dental arch for optimal denture placement.

Main Devices

Laboratory Hand Tools:

• Wax Carvers: For shaping wax patterns.
• Wax Spatulas: For mixing and applying wax.

Curing Unit:

• Used to polymerize acrylic resin for denture bases.

Casting Equipment:

• Investment Materials: To create molds for dentures.
• Casting Machine: For pouring metal into molds.

Finishing and Polishing Tools:

• Burs: For adjusting and shaping denture bases.
• Polishing Wheels: For finishing surfaces.

Laboratory Mixers:

• For uniform mixing of materials.

Additional Tools

• Pliers: For handling and adjusting dentures.
• Calipers: For precise measurements of the ridge and arch.

Dear all second-grade students

the following are the main materials you will use in the dental lab for this academic semester

Clinical Instruments

Impression Trays:

• Used to hold impression materials while capturing the shape of the gums and remaining oral structures.

Impression Materials:

• Materials such as alginate or polyvinyl siloxane used to create accurate impressions.

Face Bow:

• Used to record the relationship of the maxillary arch to the hinge axis of the mandible.

Articulator:

• A mechanical device that simulates the jaw movement to help in mounting casts.

Wax Rims:

• Used to establish vertical dimension and occlusion during the try-in phase.

Centric Occlusion Registration Materials:

• Materials like wax or silicone used to capture the bite relationship.

Laboratory Instruments

Dental Casts:

• Plaster or stone models created from the impressions.

Heat Source:

• For melting acrylic resin during the processing phase.

Pressure Pot:

• Used to cure acrylic resin under pressure for improved strength and density.

Trimming and Finishing Tools:

• Burs, knives, and other handpieces for shaping and finishing the denture.

Polishing Wheels and Compounds:

• Used for achieving a smooth and shiny surface on the final denture.

Other Essential Tools

Denture Base Plate:

• Provides the foundation for the denture teeth.

Denture Teeth:

• Artificial teeth that are arranged on the base plate to complete the denture.

Articulating Paper:

• Used to check occlusion and ensure proper bite alignment.

Laboratory Spatula and Mixing Bowl:

• For mixing materials like plaster or acrylic.

Gauges and Calipers:

• For measuring dimensions of the cast and denture.

Additional Accessories

Bite Registration Trays:

• For capturing the occlusal relationship.

Acrylic Resin:

• The main material used for constructing the denture base and sometimes for the teeth.

Adhesives:

• For securing components during various phases of denture fabrication.

dear all students

the academic year 2024-2025 will start on Saturday 7th. Oct. 2024