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Introduction to orthodontics pdf

introduction to orthodontics pdf

However, a 2 mm limit should be established above and das master key system below the gingival edge, thus instituting the three classes of smile height: high, medium, and low ( Fig 17 ).
It is not uncommon for the conclusion of orthodontic treatments to be compromised by the smile line.
Maxillary teeth may occasionally touch the lower lip my body measurements app (contact position remain apart (non-contact position or else be covered by the lip (covered position).10 This situation can vary among individuals or even in the same person depending on mouth opening.
As with the cervical line, tooth size, tipping, eruption patterns, and occlusal plane tipping can also alter the outline.
The variation in the cervical height of teeth will depend on the periodontal conditions of each tooth, as well as on tooth size, tipping, eruption pattern, and occlusal plane tipping.An evaluation of the smiling lip line.In that configuration, the form of the incisal line resembles the outline of a "deep plate" (.Other frequently used terms to describe the incisal line are the "smile arch 25 "incisal curvature"6 and "seagull wing".16.Thus, the objective of this work will be to present the new characteristics of dfar and its role in the "six horizontal smile lines which in turn assist the diagnosis, treatment and prognosis of mouth aesthetics.Therefore, without this final action of semi-closure of the eyes, the noticeable happy smile is probably a false smile, without joy from the person who gives it9 ( Fig 16 ).

In its original format, dfar makes reference to the gingival apexes, which are most apical landmarks of the gingival contour.
For that type of record, a stimulus is necessary.
The anatomy of a smile.
The effect of the distance from the contact point to the crest of bone on the presence or absence of the interproximal dental papilla.As such, dfar will intrinsically have four lines, formed by the following new candy crush soda game structures (.Introduction, obtaining a beautiful smile is always the main objective of any aesthetic dental treatment.The spontaneous smile in dynamic motion.However, we need adequate tools to overcome the challenge of this subjectivity.In other words, if the first record was made in stage 1, so should the final record.However, this rule does not always apply to the maxillary lateral incisors.