Page 45 - Dental Practice South Asia 18-6

FIG 4 FIG 5

FIG 6 FIG 7

FIG 8 FIG 9
previously placed composite resins could not do justice to the overall E sounds show the smile window that help determine the extent of
tooth substrate making it look patchy. the dynamic smile and overlap of the maxillary and mandibular teeth.
S sounds are also called Silverman’s closest speaking space. The
PHONETICS mandibular anteriors are placed 1 mm below and behind the maxil-
Phonetics form an important basis when designing a smile. lary anterior teeth during these sounds. Too much overjet could result
M sounds determine incisal display at rest. 2-3 mm of display in in a lisp and incorrect S formations.
women is acceptable while men show slightly lesser. The display The phonetic analysis in this case was satisfactory and we planned
reduces with age as elderly patients start showing more of their to increase the central incisors by 0.75 mm.
mandibular teeth due to sagging.
F and V are fricative sounds determining incisal display and posi- TEETH PREPARATION
tion as the lower lip gently caresses the incisal edges of the maxillary Teeth preparation was done through a bis-acryl temporary mockup
anteriors. (Protemp 4): APT technique by Galip Gurel. This ensures the prepa-

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Dental Practice // November-December 2022 // Vol 18 No 6 45