The specific tooth frequently observed in abnormal relation and contact relative to neighboring teeth in the same arch is ________________?
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Answer: D. Maxillary lateral incisor
Explanation
Maxillary lateral incisons frequently exhibit morphological variations like peg shapes. They are the most variable anterior teeth in terms of size and form. Developmental anomalies affect this specific tooth more than any other anterior. Dental anomalies include peg lateral incisors, dens in dente, and microdontia. Genetic factors heavily influence the development and morphology of lateral incisors. Anterior teeth play a crucial role in dental esthetics and arch symmetry.
Orthodontists and cosmetic dentists frequently treat missing or malformed lateral incisors. Restorative bonding or veneers are used to correct aesthetic peg lateral defects. Early identification of developmental anomalies helps in comprehensive treatment planning. Mandibular first premolars display variations but rarely match lateral incisor anomaly rates. Mandibular lateral incisors are relatively stable compared to maxillary lateral incisors. Maxillary central incisors maintain relatively consistent morphological proportions and shapes.
Related questions
Q1. Any curvature present in the root of maxillary lateral incisors typically points in which direction ?
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Answer: A. Distal
Root apices of permanent maxillary lateral incisors consistently curve toward the distal side. Morphological surveys of extracted teeth confirm this predominant directional apical root deviation pattern. Developmental di...
Q2. Primary teeth generally make their initial appearance in the oral cavity in the order of____________?
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Answer: C. Central incisors, lateral incisors, first molars canines, second molars
Primary teeth generally erupt in the sequence of central incisors, lateral incisors, first molars, canines, and second molars. This predictable chronological eruption order ensures proper spatial alignment within the dev...
Q3. Primary teeth undergo the exfoliation process during the timeframe between_____________?
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Answer: D. Seventh and Twelfth years
Primary teeth undergo exfoliation during the mixed dentition period between the seventh and twelfth years. Root resorption of primary teeth spans this multi-year window as permanent successors approach emergence. Clinica...
Q4. Between which adjacent permanent maxillary teeth is the widest incisal embrasure normally situated _____________?
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Answer: C. Lateral incisor and canine
The transition in crown width and morphology creates a remarkably large embrasure space here. Maxillary lateral incisors have narrower mesiodistal dimensions compared to adjacent wider canine teeth. Anatomical measuremen...
Q5. Initiation of the third molar tooth bud occurs at approximately the age of______________?
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Answer: D. 8th year of life
Initiation of the third molar tooth bud occurs significantly later, at approximately eight years of age. Unlike earlier developing teeth, third molars begin their odontogenesis much later in childhood development. This d...
Q6. Which tooth demonstrates the most variable occlusal anatomy________________?
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Answer: A. Maxillary third molar
The maxillary third molar demonstrates the most variable occlusal anatomy among all human teeth. Genetic variation frequently results in unpredictable cusp numbers and irregular supplemental groove patterns. Maxillary th...