ACADEMIC STAFF OF THE DEPARTMENT

NAME RANK
Dr. (Mrs.) J.O.Omo Senior Lecturer /Ag Head of Department
Prof. M.A. Sede Professor/ Dean School of Dentistry
Dr. L. O. Ibhawoh Associate Professor
Dr. (Mrs.) J. Enabulele Senior Lecturer
Dr. H. A. Omokhua Lecturer II

NON-ACADEMIC STAFF OF THE DEPARTMENT

Owie, O. M. (Mrs.) Chief Dental Technologist
Aguebor, L. I. Senior DentalTechnologist
Aiguokhian, S. U. Senior Laboratory Assistant
Alimotu, O. O Laboratory Attendant
Irorere E. (Mrs.) Senior Laboratory Supervisor I
Jegede T. S. Assistant Chief Executive Officer
Imafidon I. (Mrs.) Principal Executive Officer II

COURSE: DESCRIPTION AND CONTENT

 

A. COURSE IN CONSERVATIVE DENTISTRY

Course content

 

Topics Lectures and Demonstrations
Introduction Aetiology & Pathology of caries
Black’s Classification, Terminology
Principles of cavity design and
Preparation stages of a restoration.
Cavity preparation – Design of class I & extensions
Design of class V, class I, V cavities for Amalgam /
Composite.
Cavity preparation – Design of Class II and Class III cavities for Amalgam /
Composite.
Lining of cavities Lining material and types How,
when, why to use them.
Dental Amalgam Types, mixing packing,
carving, use a matrices and wedges,
contouring and finishing effects. Hazard and
controversies.
Dental Amalgam Pin retention for amalgam
restorations.
Anterior-filling Design of Class III & IV cavities
anterior filling materials –types, use,manipulation, finishing.
Gold Restorations General principles of cavity design
for gold restorations.
Gold restorations Direct and indirect technique Wax
patterns sprucing, investing and
casting. Finishing of gold
restoration.
Introduction to Reaction of Pulp to disease and
injury, treatment of injured pulp.
Acrylic jacket crowns Use of Acrylic jacket crowns
preparation of tooth, fabrication of
crown.
Paedodontics Cavity preparation and
restorationsof deciduous teeth,
Endodonticprocedures in
Paedodontics.
Local anaesthesia in conservative dentistry
History taking, clinical examination, special investigations and diagnosis. Dental charts to record caries and periodontal disease.
Importance of good oral hygiene. Simple periodontal procedures such as scale and polishing.
Prevention of hazards to patients, dentists and auxiliary staff in the dental surgery from instruments, materials radiation and serum hepatitis.
Practicals
Introduction to Phantom Head Dental Simulator Equipment. Maintenance and safety.

Air-rotors, cooling by water and air spray. Burs, hand instruments, care and sterilization of instruments.
Cavity preparation
Lining of cavity preparation
Pack cavities, use of matrices finish restorations.
Complete 2 amalgam restorations with pins. Finish all amalgam restorations.
Class III and IV cavity preparations and fillings.
Class I, II, III, IV and V cavity preparation for gold inlays.
Preparation of wax pattern, casting and finishing of gold inlays.
Root canal preparations and filling.
Preparation and fabrication of A.J.C.

 

ENDODONTICS

Course content:

Reasons for pulp disease
Pulp capping, pulpotomy, pulp mummification, pulpectomy and root canal
treatment.
Diagnosis and treatment of acute cases of pulp disease.
Anatomy of the pulp cavity as applied to endodontics.
Sterilization of root canal instruments.
Bacteriology of root canal. Drugs used in Endodontics.
Biomechanical preparation and root filling. Bleaching discoloured teeth.
Surgical endodontics and prognosis of root canal treatment. Criteria of success of Root canal treatment.

ADVANCED OPERATIVE DENTAL SURGERY

Course content:

Crowns – general consideration
Anterior jacket crowns (AJC)
Post –retained crowns
Gold crowns
Impression taking and dies
Replacement of mission teeth
Assessment of cases for bridge work.
Bridge retainers
Pontics.
Clinical procedures in Bridge work
Specific design for the replacement of individual teeth.
b) Practicals

Gold inlays by direct technique
Acrylic and porcelain jacket crowns
Cast post and core.
AJC on pre-fabricated post and core
Fixed-fixed bridge on plastic teeth mounted on plastic and prosthetics.

 

SCIENCE OF DENTAL MATERIALS

Principles of selection of dental materials – biological, chemical, physical, mechanical and other properties.
Dental cements and lining materials
Anterior restorative materials.
Dental Amalgam including controversies associated with use.
Impression materials.
Polymeric denture base materials.
Tissue conditioners.
Dental porcelain and other crown and bridge materials.
Alloys Denture Casting Alloys.
Partial Denture Casting Alloys.
Model and die materials.
Waxes and baseplate materials.
Investment materials.
Seminar on impression materials.
Seminar on impression materials.
Lecture: – principles of casting and faults in casting.
Seminar: – polymeric denture base materials.
Seminar: – Tissue conditioners.
Seminar: – principles of selection of dental materials.
Revision.
Seminar: -Anterior Restorative materials.

 

600 LEVEL

RES 610 – OCCLUSION
(LECTURE/CLINICS) CREDIT: 1
Review of functional neuroanatomy and physiology of the masticatory system and the functional anatomy and biomechanics of the masticatory system. Causes of functional disturbances in the masticatory system. Signs, symptoms, history, examination and diagnosis of temporo-mandibular disorders.
Role of occlusal appliance therapy and treatment sequencing in temporo – mandibular joint disorders Occlusal therapy: Considerations, use of articulators in occlusal therapy, elective grinding and restorative considerations in occlusal therapy.

RES 611 – CLINICAL REMOVABLE PROSTHODONTICS AND PROSTHODONTIC IMPLANTS – CREDIT: 1

PROSTHETICS TECHNIQUES

Applied anatomy of the oral and facial tissues in relation to dentistry.
Mucosa. Bony ridge. Muscle. Tongue. TMJ.
Examination of patients: History taking. Special investigations. Study casts, Impressions: Trays. Primary impressions. Working impressions. Different techniques.
Surveying
Articulators: Different types and their limitations. Simple hinge. Averge free plane. Fully adjustable. Effects of tooth loss
Classifications of partial dentures:
Saddle. Rests. Direct retainers. Indirect retainers
Connectors. Principles of partial denture design
Design of complete dentures.
Bite registration for complete and partial dentures, Face down
Principles of tooth selection: Teeth for dentures, types and selections;
Arrangement of teeth to achieve stability of dentures.

RES 612 – CONSERVATIVE AND ANAESTHETIC DENTISTRY
(LECTURES AND CLINICS)

Credit: 2
Various tooth bleaching techniques including vital and Non vital (‘Walking” bleaching). Acrylic and “In-office” techniques, Veneers – Laminate, composite and ceramic. Complex restorations: Class II mesio-occlusal, disto-occlusal and meso-occluso-distal 9MOD) inlays. Ceramic in-lays and indirect composites.

 

RES 613 – CLINICAL FIXED PROSTHODONTICS AND IMPLANTOLOGY – CREDIT: I
Various types and design of bridges, materials for temporary and permanent bridges, Resin-retained bridges. Implant retained bridges. Types of implant, implant “bed” surgeries. Superstructure fabrication and design in implantology.

 

RES, 614 SPECIAL PROSTHETIC APPLIANCES
LECTURE AND LABORATORY – CREDIT: I
Obturators; materials, designs, when how, technique of design.

 

RES 615 – CONCERVATIVE SEMINAR
CREDIT: I
Mandatory seminars on all topics in the scheme.

 

SECOND SEMESTER

RES 621 ADVANCED CLINICAL ENDODONTICS
Root canal treatment in mandibular and maxillary premolars and molars. Management of root resorption and root perforations. Perio-endodontic treatment Endodontic emergencies. Surgical endodontics including trephination, Apical root resection, hemisection, Root amputation, Re-implantation, Diodontic implants and post-endodontic restorations.

RES 622 – PROSTHODONTICS CLINICS CREDITS : 2
Clinicalprosthodontic techniques. Sequencing of prosthodontic treatment.
Follow-up including: –

ADVANCED PROSTHETICS

Personality of the patient.
-Anatomical and physiological variations.
-Factors influencing the prognosis of complete denture treatment.
Management of the elderly patients;
Pre-prosthetics preparation of the mouth;
Instruction of patients receiving new dentures;
Patients’ complaints about dentures;
Pathological changes in oral tissues caused by denture;
Immediate dentures.

RES 623 – CONSERVATIVE CLINICS CREDITS: 2

Clinical management of conservation cases. Clinical use of jacket and full veneer crowns. Post crowns, Gold inlays impressions by direct techniques.

 

RES 624 – ADVANCED OPERATIVE DENTISTRY
LECTURER AND LABORATORY – CREDIT: 2

Post-retained crown fabrication, laboratory fabrication of temporary bridges.
Fabrication of bridges and other appliances. Dies.
Gold inlay by direct technique. AJC on pre-fabricated, Post and core.
Fixed-fixed bridges on plastic teeth mounted on plastics.
Inlay casting in “student’s alloy”. Fitting and finishing.
Obturators: Prosthetic treatment of cleft palate Use of soft velum and hollow bulb obturator;
Overdentures;
Occlusal rehabilitation;
Surgical splints – uses in treatment of fractures jaws and periodontal diseases. Method of construction;
Implant dentures: Subperiosteal. Endosseous;
Specific aids for retention and stabilization
Springs, microwaves and mucosal inserts;
Special partial dentures – two-part dentures
-hinged flanged dentures;
-disjunct dentures;

 

PRECLINICAL OPERATIVE TECHNIQUE COURSE (PHANTOM HEAD COURSE)

Introduction to phantom head equipment, aerators, airmotors, water and air spray. Hand instruments. Different burs. Elementary maintenance of equipment. Care and sterilization of instrument. Aetiology and pathology of dental caries. Reaction of dental pulp to injury and disease. Black’s classification of cavities and descriptive terminology. Principles of cavity preparation for both amalgam and gold restorations. Use of slow and high-speed cutting instruments and burs. Cooling. Effect of cavity preparation on the pulp.
Preparation, lining and filling of cavities for amalgam restorations. Mixing zinc phosphate and other cements. Mixing amalgams. Packing amalgam. Finishing amalgam. Use of matrixholders, matrix bands and wedges. Uses of pins to aid retention. Class I, Class V, Class II M. O. D. and pin retained amalgam restorations in permanent teeth.

Preparations, lignin and filling of cavities for tooth-coloured restorations in anterior teeth, using silicates and resins. Class III, Class IV, Class V and pin retained cavities/linings and fillings in anterior permanent teeth.

Manipulation of silicate and resin filling materials. Modification of above techniques required to restore deciduous teeth. (Disking) of deciduous teeth. Use of cap crowns. Use of dressings, temporary fillings, temporary crowns. Management of diseased or traumatized dental pulp. Direct and indirect pulp-capping. Pulpotomy, pulpectomy. Elementary root canal therapy in single rooted teeth.

Techniques for testing vitality of teeth. Class II inlay cavity. Wax pattern by direct techniques. Inlay casting in “student alloy”. Fitting and finishing. Patient management. Saliva control. Use of rubberdam. Taking dental and medical history. Dental charts to record caries and periodontal disease. Keeping patients’ records. Local anaesthesia in conservative dentistry. Importance of good oral hygiene.

Avoiding danger to patients, dentist, and ancillary staff in the dental surgery from instruments, materials, X-rays. Preparation for acrylic jacket crown for upper incisor tooth. Impression taking with elastomeric materials, use of copper ring and greenstick impression material.

 

DENTAL MATERIALS

Introduction to materials used in dentistry
Mechanical, physical, chemical and biological properties. Bonding. Crosslinking. Polymers. Adhesion. Interface reactions. Alloys. Ceramics. Glasses. Plastics. Calcification. Acid etching.
Lining materials and cements
Zinc oxide and eugenol, zinc phosphate, Ethoxybenzonic. Acid cement. Copper phosphate. Zinc polycarboxylate. Calcium hydroxide. Glass ionomer cement. Fissure sealants. Pulpal reaction to linings.
Dental amalgam
Composition. Zinc oxide, mercury, silver, tin, copper. Alloys. Proportions. Phases. Manufacture. Particle size, lathe cut, spherical, dispersion type. Amalgam manipulation, proportions. Mixing, consideration. Mercury-amalgam reaction. Properties. Setting, changes, strength, corrosion, tarnish. Toxicity and controversies, finishing.
Tooth coloured filling materials
Requirements. Handling. Dimensional stability. Appearance. Properties. Biological compatibility. Silicate cements. Glass ionomer cement (ASPA). Composite filling materials. Acrylic resin. BIS-GMA composites. Fillers. Activation by ultra-violet light. Acid etch techniques.
Model and die materials
Non-elastic, plastic of Paris, composition, zinc oxide and eugenol, waxes. Elastic, reversible and irreversible hydrocolloid. Synthetic elastomers, silicones, polysulphides, polyethers and their applications in conservative and prosthetic dentistry.
Model and die materials
Desirable properties. Waxes. Gypsum. Dental plaster. Dental stones. Die stones. Electroplating with copper or silver. Graphite. Alternative die materials. Acrylic, epoxy and polyester resins. Ceramics. Cements. Amalgam. Low melting pint alloys. Inlay wax, sheet casting wax, sticky wax, carving wax, modeling wax. Baseplate materials.
Casting alloys
Requirements. Gold alloys. Composition. Proportion of silver, copper platinum, palldium, zinc, types I, II, III, IV. Aesthetics. Corrosion. Compatibility. Cost bonding to porcelain. Solders. Base metal casting alloys. Nickel, chromium, “student alloy”. Cohesive gold.
Porcelain and bonded porcelain
Types. Composition. Glazes. Manipulation. Properties:Aluminousporcelain. Special bonding alloys. Materials for temporary crowns and bridges. Acrylics, epamine resin, polycarbonates.
9 Alloys for denture construction
Cobalt-chromium. Properties. Casting techniques. Investment materials, gypsum-bonded; silica-bonded, phosphate-bonded. Investment of wax patterns. Lost wax technique. Cleaning and finishing castings. Soldering. Casting defects. Stainless steel.
10 Denture base resins
Requirements and properties. Acrylic resins. Methylmethacrylate. Heat cures and cold cured resin. Flasking. Finishing. Faults. Denture repair, rebating, relining. Soft lining materials and tissue conditioners. Alternative denture bases. Vulcanite. Rubber. Polycarbonate. Artificial teeth. Denture cleaners.
Materials for root canal therapy
Sterilization of canal. Preformed root canal fillings. Gutter percha, silver pints. Root canal sealers. Filling pastes. Mummifying pastes. Chelating agents.
Materials in preventive dentistry and orthodontics
Topical fluorides. Types. Effectiveness. Tissues sealants. Orthodontic resins, wires, elastic, brackets, bands and screws. Adhesives.
Materials in oral surgery and periodontology
Implants used to retain denture, teeth or prosthetic appliances, materials used to replace lost tissues and stabilize fractured jaws; tissue response to these. Extraction wound dressings. Periodontal dressings.

COMPULSORY BASIC INSTRUMENTS FOR CLINICAL STUDENTS

Below is the list of instruments for students undergoing training in the department.

S/NO. ITEM QTY

Mouth mirror 2
Dental probes 2
College Tweezers 2
Turbine head (Ultra speed) Hand piece 1
Medium/slow speed hand piece 1
Condenser/Plugger* Small
* Large 1
1
Excavator
Small
Large
1
1
Ball Burnisher 1
Tofflemire Matrix Retainer 1
Ward’s Amalgam carver 1
Amalgam carrier 1
Burs –
Diamond: Flat fissure bur
Tapering fissure crown bur
Diamond wheel bur
Inverted cone bur
Round bur
Tunsten carbide:Flat fissure bur
Inverted cone bur
5
2
1
4
3
3
3
Operating googles 1
Complete set of Upper & Lower Phantom Head Teeth (Frasaco) 1
Complete set of Upper and Lower Denture Teeth 1