TUESDAY/THURSDAY 11:00 - 11:50 AM
AFTER COMPLETION OF THIS COURSE AND ITS RELATED LEARNING THE STUDENT SHOULD BE ABLE TO:
CHAP 1 INTRODUCTION TO HISTOLOGY
1. DEFINE HISTOLOGY, CYTOLOGY AND EMBRYOLOGY. 2. DESCRIBE TECHNIQUES EMPLOYED TO STUDY HUMAN AND ANIMAL TISSUE MICROSCOPICALLY. 3. IDENTIFY AND DEFINE THE BASIC COMPONENTS OF HUMAN TISSUES. 4. IDENTIFY AND DESCRIBE EPITHELIUM, CONNECTIVE TISSUE, NERVE, AND MUSCLE TISSUE. 5. DISCUSS THE DISTRIBUTION OF THE VARIOUS TYPES OF EPITHELIAL TISSUE. 6. DISCUSS THE DISTRIBUTION OF THE VARIOUS TYPES OF CONNECTIVE TISSUE. 7. REVIEW THE MAJOR COMPONENTS OF THE PERIPHERAL NERVOUS SYSTEM AND THE CENTRAL NERVOUS SYSTEM. 8. DIFFERENTIATE BETWEEN SMOOTH MUSCLE, STRIATED MUSCLE AND CARDIAC MUSCLE. 9. IDENTIFY THE MAJOR TISSUES COMPRISING THE TEETH. 10. IDENTIFY THE SURFACE COVERINGS OF THE FACE, LIPS AND ORAL MUCOUS MEMBRANES.
CHAP 2 EMBRYONIC DEVELOPMENT OF THE FACE AND ORAL CAVITY
1. DISCUSS THE PHENOMENA OF GERM CELL DEVELOPMENT, FERTILIZATION AND MITOTIC MULTIPLICATION OF CELLS. 2. IDENTIFY AND DEFINE THE PRIMARY GERM LAYERS. 3. SUMMARIZE THE DEVELOPMENT OF THE HUMAN EMBRYO/FETUS. 4. DESCRIBE THE ESTABLISHMENT OF THE MOUTH FROM PRIMITIVE ECTODERM. 5. EXPLAIN THE SEQUENCE OF EVENTS IN THE MERGING OF THE FRONTAL PROCESS WITH THE BRANCHIAL ARCHES IN THE DEVELOPMENT OF THE FACE. 6. EXPLAIN THE FUSION OF THE INTERNAL MAXILLARY PROCESSES AND THE GLOBULAR PROCESS IN THE DEVELOPMENT OF THE PALATE. 7. DISCUSS THE SEPARATION OF THE ORAL CAVITY AND THE NASAL CAVITIES. 8. DISCUSS THE VARIOUS LOCATIONS WHICH ARE LIKELY TO ENTRAP EPITHELIAL CELLS (CELL RESTS) WITH POTENTIAL FOR CYST AND TUMOR FORMATION. 9. DISCUSS THE FUSION OF EMBRYOLOGIC PROCESSES RELATIVE TO THEIR POTENTIAL FOR CLEFTING.
CHAP 4 TOOTH ENAMEL
1. DISCUSS THE COMPOSITION OF THE ENAMEL AND COMPARE THE PERCENTAGES OF ORGANIC AND INORGANIC CONSTITUENTS. 2. DESCRIBE THE CLINICAL AND MICROSCOPIC CHARACTERISTICS OF ENAMEL. 3. DISTINGUISH BETWEEN ENAMEL TUFTS AND ENAMEL SPINDLES. 4. DISCUSS THE CLINICAL DEVELOPMENT OF ENAMEL CARIES IN RELATION TO ITS HISTOLOGIC CHARACTERISTICS. 5. EXPLAIN THE RELATIONSHIP BETWEEN: 1. STRIPES OF RETZIUS AND NEONATAL LINE 2. GNARLED ENAMEL AND ROD-PATHS 3. HUNTER-SCHREGER BANDS AND ROD BUNDLES 6. DISTINGUISH BETWEEN: 1. PRIMARY ENAMEL CUTICLE 2. SECONDARY ENAMEL CUTICLE 7. DISTINGUISH BETWEEN THE ANATOMIC CROWN AND CLINICAL CROWN.
CHAP 5 DENTIN
1. DESCRIBE THE GROSS FEATURES AND COMPOSITION OF DENTIN. 2. LIST AND DESCRIBE THE CLINICAL AND MICROSCOPIC CHARACTERISTICS OF DENTIN. 3. DESCRIBE THE FORMATION OF DENTIN AND EXPLAIN WHY IT IS A LIVING TISSUE. 4. DISTINGUISH BETWEEN DENTIN AND PREDENTIN. 5. DESCRIBE THE PATTERN OF CALCIFICATION IN DENTIN. 6. DESCRIBE THE DEVELOPMENTAL PATTERN OF CARIES IN DENTIN. 7. DIFFERENTIATE BETWEEN THE DEVELOPMENTAL PATTERN OF CARIES IN ENAMEL AND DENTIN. 8. DIFFERENTIATE BETWEEN PRIMARY, SECONDARY AND REPARATIVE DENTIN. 9. DESCRIBE TOMES GRANULAR LAYER AND DISCUSS ITS’ CLINICAL SIGNIFICANCE. 10. DIFFERENTIATE BETWEEN SCLEROTIC DENTIN AND DEAD TRACTS.
CHAP 6 TOOTH PULP
1. DESCRIBE THE ORIGIN, LOCATION AND FUNCTIONS OF THE TOOTH PULP. 2. LIST AND DESCRIBE THE MICROSCOPIC COMPONENTS OF THE PULP. 3. DISCUSS THE CHANGES THAT TAKE PLACE IN THE PULP AS IT AGES. 4. DESCRIBE THE RESPONSES OF THE PULP TO CARIES, ATTRITION AND DENTAL PROCEDURES. 5. IDENTIFY PULP STONES, DENTICLES, AND DIFFUSE CALCIFICATIONS AND DISCUSS THEIR CLINICAL IMPLICATIONS. 6. DISCUSS THE NERVE AND BLOOD SUPPLY OF THE DENTAL PULP. 7. EXPLAIN THE IMPORTANCE OF THE ODONTOBLASTIC LAYER OF CELLS RELATIVE TO THE DEFENSIVE MECHANISMS OF THE PULP. 8. IDENTIFY AND DISCUSS THE IMPORTANCE AND FUNCTION OF WHITE BLOOD CELLS THAT ARE FOUND IN THE DENTAL PULP. 9. DISTINGUISH BETWEEN THE DENTAL PULP AND FIBROUS TISSUES FOUND ELSEWHERE IN THE BODY.
CHAP 7 CEMENTUM
1. DESCRIBE THE GENERAL FEATURES AND COMPOSITION OF CEMENTUM. 2. DIFFERENTIATE BETWEEN CELLULAR AND ACELLULAR CEMENTUM. 3. EXPLAIN HOW CEMENTUM COMPENSATES FOR OCCLUSAL WEAR. 4. EXPLAIN THE ROLE OF CEMENTUM IN REPAIRING ROOT DEFECTS. 5. DISCUSS THE POSSIBLE RELATIONSHIPS OF CEMENTUM TO ENAMEL (CEJ). 6. DESCRIBE THE CLINICAL IMPLICATIONS OF CEMENTUM RELATIVE TO ORTHODONTIC TOOTH MOVEMENT. 7. DIFFERENTIATE BETWEEN CEMENTUM AND CEMENTOID. 8. DEFINE THE TERMS: HYPERCEMENTOSIS AND ANKYLOSIS 9. DESCRIBE THE ROLE OF CEMENTUM IN THE PERIODONTAL ATTACHMENT APPARATUS. 10. DESCRIBE CEMENTICLES AND DISCUSS THEIR CLINICAL IMPORTANCE. 11. EXPLAIN HOW THE FORMATION OF CEMENTUM IS DIFFERENT FROM THAT OF DENTIN.
CHAP 8 PERIODONTAL LIGAMENT
1. DESCRIBE THE MICROSCOPIC FEATURES OF THE PERIODONTAL LIGAMENT (PDL). 2. IDENTIFY THE PRINCIPLE FIBER GROUPS OF THE PDL. 3. COMPARE THE PRINCIPLE FIBER GROUPS BASED ON THEIR INDIVIDUAL FUNCTIONAL RESPONSIBILITIES. 4. EXPLAIN THE OVERALL FUNCTIONS OF THE PDL. 5. DISCUSS THE CLINICAL IMPORTANCE OF THE PDL IN RELATION TO OVERALL DENTAL HEALTH. 6. DISCUSS THE IMPORTANCE OF EPITHELIAL RESTS OF MALASSEZ. 7. DEFINE “SHARPEY’S FIBERS” AND DISCUSS THEIR APPLICATION TO THE PERIODONTAL LIGAMENT. 8. DESCRIBE THE FUNCTION OF PERIODONTAL LIGAMENT FIBERS IN ORTHODONTIC TOOTH MOVEMENT. 9. EXPLAIN HOW PRESSURE AND INFLAMMATION AFFECT THE ATTACHMENT APPARATUS. 10. DISCUSS THE POTENTIAL FOR REGENERATION OF VARIOUS CONNECTIVE TISSUE COMPONENTS OF THE ATTACHMENT APPARATUS.
CHAP 3 TOOTH DEVELOPMENT
1. IDENTIFY IN MICROSCOPIC SECTIONS, THE DENTAL LAMINA AND THE BUD, CAP AND BELL STAGES OF ENAMEL ORGAN DEVELOPMENT. 2. DESCRIBE THE SEQUENTIAL EPITHELIAL MATURATION THAT GIVES RISE TO THE ENAMEL ORGAN. 3. DEFINE "HISTODIFFERENTIATION" AND "MORPHODIFFERENTIATION" AS THESE TERMS APPLY TO ENAMEL ORGAN DEVELOPMENT. 4. DISCUSS THE TOOTH COMPONENTS WHICH ARE DERIVED FROM THE DENTAL PAPILLA. 5. DESCRIBE THE SIGNIFICANCE OF THE DENTINAL TUBULES IN HEALTHY AS WELL AS CARIOUS DENTIN. 6. LIST AND DESCRIBE THE DENTAL STRUCTURES WHICH DEVELOP FROM THE DENTAL FOLLICLE OR SAC. 7. DESCRIBE THE STEPS FOLLOWED IN THE FORMATION OF THE TOOTH ROOT AFTER THE COMPLETION OF THE CROWN. 8. DEFINE THE TERMS: "HERTWIG'S EPITHELIAL ROOT SHEATH" AND "RESTS OF MALLASEZ" AND DISCUSS THEIR CLINICAL IMPLICATION IN TERMS OF POTENTIAL CYST OR TUMOR FORMATION. 9. DISTINGUISH BETWEEN PRIMARY AND SUCCEDANEOUS TEETH. 10. DEFINE THE FOLLOWING DEVELOPMENTAL ANOMALIES AND DISCUSS THE CLINICAL IMPLICATION OF EACH: HYPODONTIA ANODONTIA SUPERNUMERARY HYPOPLASIA HYPOMINERALIZED MOTTLED ENAMEL & DENTAL FLUOROSIS ENAMEL PEARL
CHAP 9 BONE AND THE ALVEOLAR PROCESS
1. DEFINE BONE AS A TISSUE AND A BONE AS AN ORGAN. 2. DESCRIBE THE GENERAL CHARACTERISTICS OF BONE. 3. DESCRIBE THE COMPOSITION OF BONE AND ITS MICROSCOPIC FEATURES. 4. BE ABLE TO DRAW AND LABEL AN OSTEON AND RELATE ITS ORGANIZATION TO THE NUTRIENT SUPPLY OF COMPACT BONE. INCLUDE THE FOLLOWING: 1. HAVERSIAN CANAL 2. OSTEOCYTES WITH CANALICULI 5. DESCRIBE THE DIFFERENCE BETWEEN AN HAVERSIAN CANAL AND A VOLKMAN’S CANAL. 6. DESCRIBE THE DIFFERENCE BETWEEN ENDOCHONDAL AND INTRAMEMBRANEOUS BONE FORMATION. 7. DESCRIBE THE REACTION OF BONE TO PRESSURE AND INFLAMMATION. 8. DESCRIBE THE REACTION OF BONE TO TENSION ON PDL FIBERS. 9. DISCUSS THE LOCATION AND FUNCTION OF “ALVEOLAR BONE”. 10. DISCUSS THE ROLE OF ALVEOLAR BONE AS A COMPONENT OF THE PERIODONTAL ATTACHMENT APPARATUS. 11. DISTINGUISH CELLULAR CEMENTUM FROM BONE.
CHAP 10 THE ORAL MUCOUS MEMBRANE
1. DEFINE THE TERM: MUCOUS MEMBRANE. 2. DESCRIBE THE MICROSCOPIC APPEARANCE OF STRATIFIED SQUAMOUS EPITHELIUM AND FIBROUS CONNECTIVE TISSUE. 3. DIFFERENTIATE BETWEEN HYPERKERATOSIS, PARAKERATOSIS, AND ACANTHOSIS. 4. LIST THE FUNCTIONS OF NORMAL MUCOUS MEMBRANE SURFACES IN THE ORAL CAVITY. 5. IDENTIFY THE AREAS OF THE ORAL CAVITY COVERED BY DIFFERENT TYPES OF STRATIFIED SQUAMOUS EPITHELIUM. 6. DIFFERENTIATE BETWEEN MASTICATORY AND LINING MUCOSA. 7. DESCRIBE THE SPECIALIZED EPITHELIUM OF THE DORSUM OF THE TONGUE AND EXPLAIN THE LOCATION AND FUNCTIONS OF THE VARIOUS PAPILLAE (FILIFORM, FUNGIFORM, CIRCUMVALLATE, FOLIATE).
CHAP 12 THE SALIVARY GLANDS
1. IDENTIFY THE LOCATION OF THE MAJOR AND MINOR SALIVARY GLANDS. 2. DESCRIBE THE SECRETIONS PRODUCED BY THE SALIVARY GLANDS. 3. DESCRIBE THE HISTOLOGIC FEATURES OF THE SEROUS, MUCOUS AND MIXED SALIVARY GLANDS. 4. IDENTIFY AND DIFFERENTIATE THE THREE MAJOR SALIVARY GLANDS BASED ON THEIR HISTOLOGIC APPEARANCE. 5. DISCUSS THE ROLE OF SALIVA IN ORAL HEALTH. 6. DISCUSS THE RELATIONSHIP OF CR VII TO THE PAROTID GLAND.
CHAP 11 GINGIVA
1. DESCRIBE THE CLINICAL APPEARANCE OF HEALTHY GINGIVA 2. DEFINE THE FOLLOWING TERMS: ATTACHED GINGIVA FREE GINGIVAL MARGIN SULCUS INTERDENTAL PAPILLA COL FREE GINGIVAL GROOVE MUCOGINGIVAL JUNCTION ALVEOLAR MUCOSA ANATOMIC CROWN CLINICAL CROWN 3. DESCRIBE THE ORIENTATION AND FUNCTION OF THE PERIODONTAL LIGAMENT FIBERS OF THE GINGIVA 4. DISCUSS THE HISTOLOGIC FEATURES OF THE GINGIVAL SULCUS AND EXPLAIN HOW THIS RELATES TO GINGIVAL HEALTH 5. EXPLAIN THE EMBRYOLOGIC DERIVATION OF THE ATTACHMENT EPITHELIUM 6. EXPLAIN THE IMPORTANCE OF THE ATTACHMENT EPITHELIUM GINGIVAL HEALTH 7. DISCUSS THE MIGRATION OF THE ATTACHMENT EPITHELIUM DURING THE LIFETIME OF THE DENTITION 8. DISCUSS THE SPECIAL HISTOLOGIC FEATURES OF THE ATTACHMENT EPITHELIUM COMPARED WITH STRATIFIED SQUAMOUS EPITHELIUM IN OTHER AREAS OF THE ORAL CAVITY 9. DEFINE THE FOLLOWING TERMS AND RELATE THEIR IMPORTANCE TO THE ATTACHMENT EPITHELIUM HEMIDESMOSOME BASAL LAMINA LAMINA LUCIDA LAMINA DENSA 10. COMPARE THE TERMS: PASSIVE ERUPTION AND ACTIVE ERUPTION 11. DESCRIBE THE EFFECT OF INFLAMMATION ON THE GINGIVA AND ATTACHMENT APPARATUS
CHAPTER 13 TOOTH ERUPTION AND SHEDDING
1. DISCUSS THE ROLES OF ROOT LENGTHENING AND ALVEOLAR BONE FORMATION IN TOOTH ERUPTION. 2. EXPLAIN WHY PERMANENT THIRD MOLARS ARE COMMONLY IMPACTED. 3. EXPLAIN THE ROLE OF HERTWIG’S EPITHELIAL ROOT SHEATH IN THE FORMATION OF THE JUNCTIONAL EPITHELIUM. 4. DISCUSS THE POSITION OF THE JUNCTIONAL EPITHELIUM WITH AGING. 5. EXPLAIN THE MECHANISM AND IMPORTANCE OF MESIAL DRIFT. 6. EXPLAIN WHY PERMANENT MANDIBULAR INCISORS COMMONLY ERUPT TO THE LINGUAL OF THE PRIMARY INCISORS. 7. EXPLAIN THE SIGNIFICANCE OF A “SUBMERGED” TOOTH.
CHAP 14 TEMPOROMANDIBULAR JOINT
1. IDENTIFY THE SKELETAL COMPONENTS WHICH CONTRIBUTE TO THE TEMPOROMANDIBULAR JOINT (TMJ). 2. DISCUSS THE COMPONENTS WHICH MAKE UP THE FUNCTIONING ELEMENTS OF THE JOINT. 3. DESCRIBE BOTH HINGE AND GLIDING ACTION OF THE TMJ. 4. DESCRIBE THE CAPSULE OF THE TMJ IN TERMS OF ITS’ HISTOLOGY AND FUNCTION. 5. DESCRIBE THE FEATURES OF THE ARTICULAR DISC OF OF TMJ IN TERMS OF ITS’ HISTOLOGY AND FUNCTION. 6. DESCRIBE THE FEATURES OF THE ARTICULAR EMINENCE AND ARTICULAR FOSSA IN TERMS OF THEIR HISTOLOGY AND FUNCTION. 7. DESCRIBE THE FEATURES OF THE HEAD OF THE MANDIBULAR CONDYLE IN TERMS OF IT’S HISTOLOGY AND FUNCTION. 8. DIFFERENTIATE BETWEEN THE TMJ AND OTHER JOINTS OF THE HUMAN SKELETON. 9. DISCUSS THE IMPORTANCE OF THE GROWTH CENTER OF THE MANDIBULAR CONDYLE. 10. DISCUSS THE IMPORTANCE OF OCCLUSION TO THE FUNCTION AND HEALTH OF THE TMJ.
EXAMINATIONS: SEVEN (7) EXAMINATIONS (INCLUDES FINAL EXAM) WILL BE GIVEN FOR THIS COURSE. EXAMINATIONS WILL NOT BE COMPREHENSIVE. .
REMINDER THAT THE COMBINED SCORES FROM THE LIBRARY ASSIGNMENT WILL EQUAL ONE EXAMINATION.
GRADING SCALE: 92 - 100 = A 83 - 91 = B 75 - 82 = C 65 - 74 = D
AS WITH ALL DENTAL HYGIENE COURSES, A 75 AVERAGE IS THE MINIMUM PASSING SCORE.
LIBRARY ASSIGNMENT: HISTOLOGY LIBRARY ASSIGNMENT CONSISTS OF VIEWING THE FOLLOWING VIDEOTAPES AND HANDING IN A REPORT ON WHAT YOU BELIEVE ARE THE MOST INTERESTING AND IMPORTANT POINTS PRESENTED IN EACH. SIMPLY ANSWERING THE SELF-TEST QUESTIONS IS NOT ADEQUATE. MY ANALYSIS OF THE REPORTS WILL CONSIST OF THE ITEMS ABOVE PLUS HOW MUCH EFFORT YOU PUT INTO THE PROJECT. IF YOU INCLUDE FACTS IN THE REPORTS, MAKE SURE THAT YOUR FACTS ARE CORRECT! THE REPORTS WILL BE GRADED ON A SCALE OF 100. THE COMBINED SCORES WILL EQUAL ONE EXAMINATION. THESE REPORTS ARE DUE ON 1 NOVEMBER. REPORTS HANDED IN LATE WILL HAVE A 25 POINT DEDUCTION FROM THE TOTAL SCORE.
VOLUME 3 EPITHELIAL TISSUE VOLUME 4 CONNECTIVE TISSUE VOLUME 5 BLOOD
STUDENTS MISSING AN EXAM WILL BE ALLOWED TO MAKE UP THE EXAM ON THE DAY OF THEIR RETURN TO SCHOOL. NO GRADE HIGHER THAN A 90 WILL BE GIVEN FOR MAKE-UP EXAMINATIONS. STUDENTS WILL BE ALLOWED TO MAKE UP ONLY ONE (1) EXAM PER SEMESTER
THE AMERICANS WITH DISABILITIES ACT:
MIDWESTERN STATE UNIVERSITY DOES NOT DISCRIMINATE ON THE BASIS OF AN INDIVIDUAL’S DISABILITY AND COMPLIES WITH SECTION 504 OF THE AMERICANS WITH DISABILITIES ACT IN ITS ADMISSION, ACCESSIBILITY, AND EMPLOYMENT OF INDIVIDUALS WITH DISABILITIES, AS DEFINED BY LAW, WHO ARE OTHERWISE QUALIFIED TO MEET ACADEMIC EMPLOYMENT REQUIREMENTS. FOR ASSISTANCE CALL (940)397-4515. IT IS THE STUDENT’S RESPONSIBILITY TO DECLARE ANY DISABILITIES. AFTER DECLARATION, PREFERABLY AT THE BEGINNING OF EACH SEMESTER, THE STUDENT NEEDS TO CONTACT INDIVIDUAL INSTRUCTORS TO DETERMINE ANY REASONABLE ACCOMMODATIONS THAT MAY BE REQUIRED.
PHONE USE:
CELL PHONE USE (TEXTING OR VERBAL) IS EXTREMELY DISRUPTIVE TO YOUR FELLOW CLASSMATES AND TO THE FACULTY TEACHING THE COURSE. THEREFORE THE USE OF CELL PHONES WILL NOT BE TOLERATED, FOR ANY REASON. IF YOU UTILIZE YOUR CELL PHONE IT WILL BE CONFISCATED FOR THE REMAINDER OF THE SCHEDULED DAY. REPEAT OFFENDERS WILL BE ASKED TO LEAVE THE CLASSROOM AND WILL BE REQUIRED TO MEET WITH THE FACULTY AND THE CHAIR OF THE DENTAL HYGIENE DEPT. IN CASE OF EMERGENCIES, PLEASE NOTIFY SPOUSES, FAMILY AND FRIENDS TO CONTACT YOU VIA THE PROGRAM SECRETARY AT 397-4764.
WATER BOTTLES, CELL PHONES, HAND-HELD CALCULATORS/COMPUTERS ARE NOT ALLOWED DURING AN EXAMINATION. POSSESSION OF ANY OF THESE DEVICES DURING AN EXAM WILL BE CONSTRUED AS ACADEMIC DISHONESTY AND WILL BE DEALT WITH ACCORDINGLY.