Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist

PG in Orthodontics um darshan dental college
2. May 2014
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist
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Smile analysis in vertical dimention:- factors to be considered when observed by orthodontist

Hinweis der Redaktion

  1. Excessive tooth display due to long face heightOr short upper lip
  2. It is important to differentiate between the posed smile and the spontaneous smile. A posed smile is the voluntary expression made when introduced to someone, or when taking a passport photograph or orthodontic records A spontaneous smile, by contrast, is involuntary, natural, and driven by emotions. With all the muscles of facial expression involved, a spontaneous smile always has more lip elevation than a posed smile.16 Most studies refer to the posed smile because it is reproducible and can therefore be used as a reference position.
  3. The full smile will not provide thesame information, partly because of high individual variability in upper lip movement from rest position to full smile.
  4. 1. Fig. 7 Young male patient with severe anterior crowding before (A,C) and after (B,D) orthodontic treatment. Noteundesirable esthetic result after overintrusion of maxillary incisors, and straight incisal curvature in relation to lower lip.2 Fig. 8 A. Esthetically undesirable long-term result in 30-year-old male 15 years after orthodontic treatment. Too much ofmandibular incisors and too little of maxillary incisors are displayed. B. Pre- and post-treatment records from 1981 and 1983,respectively, show maxillary incisors were intruded.
  5. Fig. 9 Young male patient with deep overbite. A. Rest position and smile photographs indicate that maxillary incisors shouldnot be intruded. B. Mandibular incisor intrusion. C. Continuous base arch from double tubes on mandibular first molars.2 ) the stability of such correction is uncertain, especially with less-than-adequate growth during and after treatment.
  6. Fig. 4 Importance of vertical dimension in beautiful smile. A. Adult female with uncompensated attrition. B. After restorativetreatment by Dr. M.R. Mack of Fort Lauderdale, FL. Note physiologic positioning with improved lip form, smile, and facialproportions (reprinted by permission [Ref. 8]). C. Female patient with little maxillary incisor display. D. Dramatic estheticimprovement after surgical inferior repositioning of maxilla and treatment by Dr. P.K. Turley of Los Angeles (reprinted bypermission [Ref. 13])
  7. Fig. 3 A,B. Improvement in parallelism between maxillary incisor curve and lower lip contour with orthodontic treatment ofadult female. C,D. Similar improvement in another adult female with Class II, division 2 malocclusion and abraded incisors.Orthodontic treatment was supplemented with four porcelain laminate veneers (courtesy of Dr. S. Toreskog, Sweden).
  8. Lip length should be roughly equal to the commissure height, which is the vertical distance between the commissure and a horizontal line from subnasale (Fig. 2A). A short lip length relative to commissure height results in an unesthetic, reverse-resting upper lip line23 (Fig. 2B).
  9. It is interesting to note that
  10. Excessive lip elevationshould therefore be recognized as a limiting factor(Fig. 3).
  11. The full smile does not make good reference, partly because of the individua variation in lip mobility.30
  12. 42 yrsol female pt dislikes her ireggular teeth
  13. Vertical crown lengthOrtho for mandibular incisor retraction
  14. studied the changes in philtrumheight and commissure height in patients from age6 years to their 40s and the relationship to the smile.with the rate of philtrum lengtheninggreater than that of the commissures This wouldexplain the flattening of the “M” characteristics of thevermilion border of the upper lip in the youthful lip.