Tooth Morphology
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| Primate Spaces | show 🗑
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| Bruxism | show 🗑
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| show | present on both the labial and lingual surfaces of anterior teeth and on buccal surfaces of the molars.
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| Roots (primary teeth) | show 🗑
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| Resorption | show 🗑
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| show | pulp chambers and pulp horns are relatively large in proportion to those of the permanent teeth, especially the the mesial pulp horns.
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| Primary dentition | show 🗑
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| Nighttime use of baby bottle or sugar on a pacifier | show 🗑
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| show | Eruption: 7-8
#'s: 8 & 9
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| show | Eruption: 8-9
#'s: 7 & 10
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| show | Eruption: 11-12
#'s: 6 & 11
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| Maxillary 1st Premolars (Permanent, eruption time and #'s) | show 🗑
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| show | Eruption: 10-12
#'s: 4 & 13
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| Maxillary 1st molars (Permanent, eruption time and #'s) | show 🗑
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| show | Eruption: 12-13
#'s: 2 & 15
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| show | Eruption: 17-12
#'s: 1 & 16
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| show | Eruption: 6-7
#'s: 24 & 25
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| Mandibular Lateral (Permanent, eruption time and #'s) | show 🗑
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| show | Eruption: 9-10
#'s: 22 & 27
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| Mandibular 1st Premolar (Permanent, eruption time and #'s) | show 🗑
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| Mandibular 2nd Premolar (Permanent, eruption time and #'s) | show 🗑
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| Mandibular 1st Molar (Permanent, eruption time and #'s) | show 🗑
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| Mandibular 2nd Molar (Permanent, eruption time and #'s) | show 🗑
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| Mandibular 3rd Molar (Permanent, eruption time and #'s) | show 🗑
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| show | a bulge or prominence of enamel found on the cervical third of the lingual surface of an anterior tooth
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| Cusp | show 🗑
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| Cusp of Carabelli | show 🗑
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| Fissure | show 🗑
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| show | a rounded or angular depression of varying size on the surface of a tooth.
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| show | a broad, shallow depression on the lingual surface of an incisor or cuspid.
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| Central fossa (maxillary molars) | show 🗑
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| Triangular Fossa | show 🗑
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| Groove | show 🗑
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| Developmental groove | show 🗑
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| Supplemental groove | show 🗑
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| Incisal Edge | show 🗑
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| show | a developmental segment of the tooth. As lobes develop they coalesce to form a single unit.
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| show | a rounded prominence on the incisal ridge of a newly erupted incisor.
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| show | a linear elevation on the surface of a tooth.
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| show | an elevation which extends in a mesial and distal direction from the cusp tip. Cusp ridges form the buccal and lingual margins of the occlusal surfaces of the posterior teeth.
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| show | the incisal portion of a newly erupted anterior tooth
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| show | elevated crests or rounded folds of enamel which form the mesial and distal margins of the occlusal surfaces of the posterior teeth and the lingual surfaces of the anterior teeth.
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| show | elevated prominences on the occlusal surfaces of a maxillary molar extending obliquely from the tips of the mesiolingual cusp to the distobuccal cusp.
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| Triangular Ridges | show 🗑
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| Transverse Ridges | show 🗑
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| show | an elongated valley in the surface of a tooth formed by the inclines of adjacent cusps or ridges which meet at an angle.
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| Functions of Primary Dentition | show 🗑
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| show | Birth up to 6 to 8 months no teeth visible in mouth
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| show | From 6 to 8 months through 2 to 2 1/2 years all primary teeth should be visible in mouth.
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| show | Interproximal spacing is important between the primary teeth
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| Mesial Drift | show 🗑
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| show | widest tooth mesial-distally of any anterior tooth.
most prominent tooth in permanent dentition
one pulp canal with 3 pulp horns
common location for supernumerary
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| Maxillary Lateral | show 🗑
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| Maxillary Centrals | show 🗑
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| Maxillary 1st Premolar | show 🗑
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| Maxillary 2nd Premolar | show 🗑
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| Maxillary 1st Molar | show 🗑
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| Maxillary 2nd Molar | show 🗑
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| show | No standard form and often appears as developmental anomaly.
Occludes with only 1 opposing tooth
Instrumentation difficult
Oral Hygiene difficult
May remain impacted due to insufficient arch growth
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| Primary Molars | show 🗑
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| Primary Maxillary 1st molar | show 🗑
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| Primary Maxillary 2nd molar | show 🗑
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| show | roots with no seperation
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| show | the joining of 2 tooth buds to form 1 large tooth. Usually exhibits a large crown with a single root containing 2 canals
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| Concrescense | show 🗑
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| show | more that normal number of roots.
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| show | Excessive cementum formation after a tooth has erupted.Generally located on t he apical 1/3 to 1/2 of the tooth root.
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| show | Enamel projection that extends from the cervical are apically.
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| show | enamel slight extension toward the furcation
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| show | enamel that extends to near the area of root trunk separation.
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| Grade III CEP | show 🗑
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| Enamel Pearl | show 🗑
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| show | A sharp bend or curvature in the root surface. Caused by root displacement during tooth development.
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| Ankylosed Tooth | show 🗑
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| Grade I Involvement | show 🗑
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| Grade II Involvement | show 🗑
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| show | The furcation is occluded by gingiva but the interradicular bone had been destroyed so that a probe can be passed through from one surface to the other.
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| Grade IV Involvement | show 🗑
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| show | can be efficiently observed in occluded study casts and seen directly in the oral cavity when the lips and cheeks are retracted
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| Functional Oclussion | show 🗑
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| Mesognathic | show 🗑
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| Retrognathic | show 🗑
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| Prognathic | show 🗑
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| Labioversion | show 🗑
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| Linguoversion | show 🗑
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| show | Position buccal to normal.
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| show | Elongated above the line of occlusion.
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| Torsiversion | show 🗑
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| Infraversion | show 🗑
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| Class I or Neutroclusion | show 🗑
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| show | Description - Mandibular teeth posterior to normal position in their relation to the maxillary teeth.Facial Profile - Retrognathic; maxilla protrudes;mandible appears retruded or weak.
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| show | The mandible is retruded and all maxillary incisors are protruded.Conditions that frequently occur in Class II, Division 1 malocclusion: Deep overbite, excessive overjet, abnormal muscle function (lips), short mandible, or short upper lip.
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| show | The mandible is retruded, and one or more maxillary incisors are retruded.Conditions that frequently occur in Division 2: Maxillary lateral incisors protrude while both central incisors retrude, crowded maxillary anterior teeth, or deep overbite.
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| Class III or Mesioclusion | show 🗑
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| Primate Spaces* | show 🗑
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| show | Closed arches.
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| show | The distal surface of the mandibular primary molar is mesial to that of the maxillary, thereby forming a mesial step First permanent molar erupts directly into proper occlusion
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| show | The distal surfaces of the maxillary and mandibular primary molars are on the same vertical plane. First permanent molars erupt end to end. mandibular primate space, early mesial shift of primary molars into the primate space occurs, and the permanent man
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| Parafunctional contacts | show 🗑
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| show | are the normal contacts that are made between the maxillary teeth and the mandibular teeth during chewing and swallowing. Each contact is momentary, so the total contact time is only a few minutes each day.
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| Pathologic Migration | show 🗑
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| show | Periodontal tissue injury caused by repeated occlusal forces that exceed the physiologic limits of tissue tolerance
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| show | Excessive occlusal force is exerted on a tooth with normal bone support.
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| show | Excessive occlusal force is exerted on a tooth with bone loss and inadequate alveolar bone support.The ability of the tooth to withstand occlusal forces is impaired. A tooth has lost the support of the surrounding bone.
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| Trauma | show 🗑
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| Clinical Findings That May Occur in Trauma from Occlusion 1 | show 🗑
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| show | occlusal wear.Open contacts related to food impaction.Neuromuscular disturbances in the muscles of mastication. In severe cases, muscle spasm can occur.Temporomandibular joint symptoms.
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