Jun 07, 2023
DHE 104LB - Dental and Oral Morphology Lab 1 Credits, 3 Contact Hours
0 lecture periods 3 lab periods
This is the lab portion of DHE 104 . Form and function of primary and permanent dentition. Includes oral cavity proper; form, function and physiology; and tooth identification. Also includes terminology, deciduous dentition morphology, occlusion, tooth anomalies, and root morphology.
Corequisite(s): DHE 101 , DHE 101LC , DHE 104 , DHE 107 , DHE 112 , DHE 116 , DHE 116LC
Information: Students must be admitted to the PCC Dental Hygiene program and obtain consent of the Dental Hygiene department before enrolling in this course.
Course Learning Outcomes
- Describe and define the oral cavity proper, primary and adult dentitions, tooth surfaces, landmarks and anatomical features each tooth.
- Describe the process of tooth development, exfoliation, resorption and occlusion of primary and adult dentitions.
- Explain the relationships within the gingival unit, supporting structures of the teeth (periodontium) and tooth anomalies related to morphology.
- Identify, name and code the teeth of the permanent dentition.
- Identify extracted or insitu tooth as to dentition, arch, and number.
- Describe and define the oral cavity proper.
- Identify the surfaces and landmarks of each tooth and explain the functions and location in the dental arches.
- Explain the difference between primary dentition, secondary dentition, and mixed dentition.
- Assess and code teeth using the Universal system of tooth identification.
- List the anatomical features of a tooth.
- Explain how the form of teeth relates to function.
- Name and code the teeth of the deciduous (primary) dentition.
- Describe the process of tooth development, exfoliation, and resorption.
- List the approximate ages of eruption for each primary and permanent tooth.
- List when crown and root are calcified for each tooth.
- Compare primary and permanent teeth.
- Define embrasures and identify their locations.
- Describe and define the term proximal contact and height of contour.
- Identify the centric relationship of the dental arches.
- Discuss the occlusion of deciduous and permanent teeth.
- Differentiate the various classifications of malocclusion.
- Explain the meaning of overjet, overbite, crossbite, and openbite.
- Identify anatomical landmarks related to the temporomandibular joint (TMJ).
- Describe the form and function of the temporomandibular joint.
- Discuss pulpal anatomy of primary and permanent teeth.
- Define intrinsic and extrinsic factors relative to dental anomalies.
- Describe the various classifications of tooth anomalies related to morphology.
- Define variations in root anomalies including concrescence, dilacerations, and hypercementosis.
- Distinguish abnormal crown and root formations.
- Explain the relationships within the gingival unit and supporting structures of the teeth (periodontium).
- State how clinical situations are related to tooth form and supportive dental structures.
- Compare and contrast the roots of maxillary and mandibular incisors in the permanent dentition.
- Describe the shapes of the roots of maxillary and mandibular permanent cuspids.
- Describe variances in occlusal anatomy among premolars.
- Describe the shapes of the roots of maxillary and mandibular permanent premolars.
- Describe each of the three permanent maxillary molars from all five aspects including the roots.
- Describe the three permanent mandibular molars from the five anatomical aspects including the roots.
- Explain the root location differences between maxillary and mandibular molars and why this is important.
- Identify anatomical root variations, cej curvature, furcations, developmental concavities for effective instrumentation adaptation.
- Relate root morphology to instrumentation applications.
- Demonstrate hand eye coordination by making an accurate drawing of assigned teeth.
- Practice carving to scale teeth out of wax using a lab knife and carving instruments.
- Use a Boley Gauge to measure a tooth carved out of wax.
- Apply didactic knowledge to computer related interactive case study.
- Oral Cavity Proper
- Nomenclature/landmarks/anatomical features
- Permanent/secondary dentition
- Form, Function, and Physiology
- Maxillary/mandibular incisors
- Maxillary/mandibular canines
- Maxillary/mandibular premolars
- Maxillary/mandibular molars
- Dentition-Tooth Identification
- Permanent dentition – universal system
- Primary dentition – universal system
- Mixed dentition – universal system
- Landmarks – Terminology
- Surfaces of teeth
- Developmental fissures, cusps, grooves, pits
- Height of contours
- Interproximal space
- Deciduous Dentition Morphology
- Eruption dates
- Development process
- Angle’s classification system
- Centric relationship
- Temporomandibular joint (TMJ)
- Tooth Anomalies
- Extrinsic factors
- Intrinsic factors
- Root Morphology
- Distinguishing features
- Relationship to clinical instrumentation
- Root anomalies
- Root furcations
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