Dentaltown March 2022 - 44
Example with plastic sectional matrix
The patient, in his late 30s and in good health,
was unhappy with the black triangles present in his
lower anterior (Fig. 1). He had been under the care of
a periodontist for the past several years.
Because the area to be fi lled was very small, Bioclear
matrices were chosen. A heavy, latex-free rubber dam
was placed, and biofi lm was removed with aluminum
trihydroxide (Fig. 2). Small black triangle matrices
(BT Matrices, Bioclear) were seated into the sulcular
area (Fig. 3).
Using a combination of uncured bonding agent,
heated fl owable (Filtek Supreme Ultra Flowable, 3M)
and heated paste composite (Filtek Supreme Ultra,
3M), the matrices were fi lled from #22 to #27 (Fig. 4).
Fig. 5 demonstrates the two-day follow-up.
Example with metal sectional matrix
The patient, 35 years old and in good general health,
presented with large, failing composites on the central
incisors, as well as a crown that needed to be placed
on #10 (Fig. 6).
A rubber dam with fl oss ligatures was placed, and
a stent was used to help create the palatal extent of the
restoration and guide layering of composite (Fig. 7).
A nanohybrid composite (Micerium, Avengo,
Italy) was used to build the composite toward the
facial, and a sectional matrix (Tor VM, Moscow) was
placed interproximally. The curvature of the matrix
approximated the proximal surface, and a thin layer of
composite was used to replicate this area (Fig. 8). Fig. 9
shows the area after curing of this composite layer.
Subsequent layers were then added until the restoration
was complete (Fig. 10).
Fig. 11 demonstrates a fi ve-year follow-up.
Example with plastic full-contour matrix
The patient, in her early 40s and in good health,
was unhappy with the appearance of her front teeth.
Caries were noted on Teeth #8, 10 and 11 (Fig. 12).
Because existing contacts were present, a fl at Mylar
matrix was employed. Contacts were smoothed with an
interproximal sander (Contact EZ, DirectaDentalGroup).
The Mylar was inserted into the sulcus at an approximate
45-degree angle and wood wedges were inserted to
control unwanted ingress of material (Fig. 13). This
angle created tension to slightly retract the gingival
tissue, negating the need for retraction cord.
A small amount of heated fl owable composite (Filtek
Supreme Ultra Flowable) was placed (Fig. 14), but not
cured. This was followed by heated paste composite
(Filtek Supreme Ultra, Fig. 15). A hand instrument
(OptraSculpt, Ivoclar Vivadent) was used to further
adapt the composite to the tooth (Fig. 16).
Fig. 17 demonstrates the fi nal result.
44 MARCH 2022 // dentaltown.com
http://www.dentaltown.com
Dentaltown March 2022
Table of Contents for the Digital Edition of Dentaltown March 2022
Dentaltown March 2022 - Intro
Dentaltown March 2022 - Cover1
Dentaltown March 2022 - Cover2
Dentaltown March 2022 - 1
Dentaltown March 2022 - 2
Dentaltown March 2022 - 3
Dentaltown March 2022 - 4
Dentaltown March 2022 - 5
Dentaltown March 2022 - 6
Dentaltown March 2022 - 7
Dentaltown March 2022 - 8
Dentaltown March 2022 - 9
Dentaltown March 2022 - 10
Dentaltown March 2022 - 11
Dentaltown March 2022 - 12
Dentaltown March 2022 - 13
Dentaltown March 2022 - 14
Dentaltown March 2022 - 15
Dentaltown March 2022 - 16
Dentaltown March 2022 - 17
Dentaltown March 2022 - 18
Dentaltown March 2022 - 19
Dentaltown March 2022 - 20
Dentaltown March 2022 - 21
Dentaltown March 2022 - 22
Dentaltown March 2022 - 23
Dentaltown March 2022 - 24
Dentaltown March 2022 - 25
Dentaltown March 2022 - 26
Dentaltown March 2022 - 27
Dentaltown March 2022 - 28
Dentaltown March 2022 - 29
Dentaltown March 2022 - 30
Dentaltown March 2022 - 31
Dentaltown March 2022 - 32
Dentaltown March 2022 - 33
Dentaltown March 2022 - 34
Dentaltown March 2022 - 35
Dentaltown March 2022 - 36
Dentaltown March 2022 - 37
Dentaltown March 2022 - 38
Dentaltown March 2022 - 39
Dentaltown March 2022 - 40
Dentaltown March 2022 - 41
Dentaltown March 2022 - 42
Dentaltown March 2022 - 43
Dentaltown March 2022 - 44
Dentaltown March 2022 - 45
Dentaltown March 2022 - 46
Dentaltown March 2022 - 47
Dentaltown March 2022 - 48
Dentaltown March 2022 - 49
Dentaltown March 2022 - 50
Dentaltown March 2022 - 51
Dentaltown March 2022 - 52
Dentaltown March 2022 - 53
Dentaltown March 2022 - 54
Dentaltown March 2022 - 55
Dentaltown March 2022 - 56
Dentaltown March 2022 - 57
Dentaltown March 2022 - 58
Dentaltown March 2022 - 59
Dentaltown March 2022 - 60
Dentaltown March 2022 - 61
Dentaltown March 2022 - 62
Dentaltown March 2022 - 63
Dentaltown March 2022 - 64
Dentaltown March 2022 - Cover3
Dentaltown March 2022 - Cover4
Dentaltown March 2022 - SI_1
Dentaltown March 2022 - SI_2
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https://www.nxtbook.com/farran/dentaltown/2020January
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https://www.nxtbook.com/farran/dentaltown/2019November
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https://www.nxtbook.com/farran/dentaltownuk/2019FebruaryMarch
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https://www.nxtbook.com/farran/dentaltownuk/2018Winter
https://www.nxtbook.com/farran/dentaltown/2018December
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