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Compend. Oral Sci:vol1(7);2015;47-51

ago and sustained uncomplicated fracture of nancial, both patient refused any treatment for
21. Direct composite resin restoration was pro- their fluorosis condition.
provided, however the direct restoration had
Tooth preparations for all-ceramic crowns.
poor aesthetical value and did not blend with
Shade selection was taken under natural light
the patient’s generalized fluorosis condition (Fig
1A). using the shade guide (VITA Toothguide 3D-
Master, California USA). A 1.0mm labial and
palatal reduction and 1.5mm incisal reduction
Case 2
A 22-year-old male was referred to the Centre was made with supra-gingival shoulder margin
of Restorative Dentistry Studies for further re- all around (Fig 2A & 2B). A provisional crown
was fabricated using bis-acryl material
storative management of his unsightly endo-
dontically treated upper left central incisor (21) (Protemp TM 4 Temporisation Material, 3M ESPE
(Fig. 1B). Radiographical investigation found a USA) to provide provisional optimum aesthet-
ical and functional values.
poorly done endodontics treatment with insuffi-
cient length of post on the tooth, which denotes Master impression for both tooth preparations
the need for endodontics re-treatment. were taken using polyvinyl siloxane (PVS) im-
pression material with heavy and light-body one
Case Management -step wash technique (Aquasil Ultra LV and
Treatment planning. Heavy Smart Wetting Regular Set Impression
®
Material, Dentsply USA).
Both patients were advised and given the avail-
able treatment modalities by the prosthodontist Fabrication of the all-ceramic crown.
for restoring the complaint teeth. They agreed
Lithium disilicate ceramic (IPS e.max Press,
to the option of bonded all-ceramic crowns.
Ivoclar Vivadent, Liechtenstein Switzerland)
Both patients also have significant generalized
was the material of choice for the fabrication of
dental fluorosis conditions, therefore various
the bonded all-ceramic crowns for both pa-
treatment options was given to reduce the fluo-
tients. Written instructions and photographs
rosis before starting the fixed prosthesis treat-
were sent to the laboratory together with the
ment. However, due to time constraint and fi-

Figure:1A- Pre-operative condition of tooth Figure: 1B- Pre-operative condition of tooth
21 (Case 1) 21 (Case 2)

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